SA193 B16 Stud Bolts
SA193 B16 Stud Bolts
SA193 B16 Stud Bolts
SA193 B16 Stud Bolts, ashtapad
 SA193 B16 Stud BoltsProduct Catalog  
 SA193 B16 Stud BoltsPipes/Tubes
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 SA193 B16 Stud BoltsFittings/Flanges
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 SA193 B16 Stud BoltsStructural Steels
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 SA193 B16 Stud BoltsThreaded Bars/Rods
 SA193 B16 Stud BoltsFasteners
 SA193 B16 Stud BoltsSA193 B7 Stud Bolts
 SA193 B16 Stud BoltsSA193 B16 Stud Bolts
 SA193 B16 Stud BoltsSA194 2H HEX NUTS
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 SA193 B16 Stud BoltsSABS 1431:1987 Steels
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 SA193 B16 Stud BoltsSA516-60/70 HIC Tested
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 SA193 B16 Stud BoltsST52-3 DIN 17100
 SA193 B16 Stud BoltsS355J2G3 EN 10025-2
 SA193 B16 Stud BoltsS355K2G3 EN 10025-2
 SA193 B16 Stud BoltsS355J2+N EN 10025-2
 SA193 B16 Stud BoltsS355K2+N EN 10025-2
 SA193 B16 Stud BoltsEN 10025-2 Plates
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 SA193 B16 Stud BoltsAbrasion Resistant Steel
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 SA193 B16 Stud BoltsHardox 400/450 Plates
 SA193 B16 Stud BoltsHardox 500/600 Plates
 SA193 B16 Stud BoltsWeldox 700 Plates
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 SA193 B16 Stud BoltsASTM A234/ASME SA234
 SA193 B16 Stud BoltsASTM A403/ASME SA403
 SA193 B16 Stud BoltsASTM A420/ASME SA420
 SA193 B16 Stud BoltsASTM A860/ASME SA860
 SA193 B16 Stud BoltsLong Radius Bends
 SA193 B16 Stud BoltsHot Induction Bends
 SA193 B16 Stud BoltsForged Fittings
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 SA193 B16 Stud BoltsAPI 5L Line Pipes
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Manufacturers & Exporters

Stainless steel, carbon steel, alloy steel, nickel, other ferrous & non-Ferrous metals in shape of Pipes, Tubes, Pipe Fittings, Flanges, Fasteners from India



Ashtapad is a specialist Manufacturer of top-of-the-line Piping Components. We take this opportunity to introduce ourselves as an Manufacturers & Exporters since last one decades in Stainless steel, Carbon steel, Alloy steel, Nickel, Other Ferrous & Non-Ferrous metals In Shape Of steel bolt, steel nut, ss fastener, steel stud nut Etc.Suppliers of Stainless Steel Fasteners, wire, rod, Monel Fasteners, Inconel Fasteners, Alloy 20 Fasteners, Hastelloy Fasteners, Nickel Fasteners, Titanium Fasteners, Cupro Nickel Fasteners, Copper Fasteners, Brass Fasteners, Aluminum Fasteners, Phosphorus Bronze Fasteners, Gun Metal Bar Etc.

 

SA193 B16 Stud Bolts  
SA193 B16 Stud Bolts 

  SA193 Grade B7 Stud Bolt, Hex Bolt, Threaded Bar, Threaded Rod SA193 B16 Stud Bolts

Hex Head Bolts, Full Threaded Bolts, Stud Bolts, Foundation Bolts, Threaded Bars, Threaded Rods, Hex Nuts, Heavy Hex Nuts, Lock Nuts, Slotted Nuts, Self Locking Nuts, Punch Washers, Machine Washers, Taper Washers, Spring Washers

ASME SA193 Grade B7, Grade B7M, Grade B16, ASTM A193 Grade B7/B7M/B16
ASME SA320 Grade L7, Grade L7M, Grade L43, ASTM A320 Grade L7, L7M, L43
ASME SA194 Grade 2H, Grade 2HM, Grade 3, Grade 4, Grade 7, Grade 7M, Grade 16
ASTM A194 Grade 2H, 2HM, 3, 4, 7, 7M, 16
ASME SA193 Grade B8, Grade B8M, Grade B8 Class 2, Grade B8M Class 2
ASTM A193 Grade B8, B6M, B8 Class 2, B8M Class 2
ASME SA320 Grade B8, Grade B8M, Grade B8 Class 2, Grade B8M Class 2
ASTM A320 Grade B8, B8M, B8 Class 2, B8M Class 2
ASME SA307 Grade A, B, C Carbon Steel Bolt and Stud 60000 PSI Tensile Strength
ASTM A307 Grade A, B, C Carbon Steel Bolt and Stud 60,000 PSI Tensile Strength
ASME SA194 Grade 8, Grade 8M, Grade 8F, Grade 8A, Grade 8C, Grade 6, Grade 310
Stainless Steel Carbide Solution Treated & Strain Hardened Threaded Bar, Rod, Stud
B-8 Class-1 Stainless Steel AISI 304 / 304L Carbide Solution Treated
B-8 Class-2 Stainless Steel AISI 304 / 304L Carbide Solution Treated, Strain Hardened
B-8M Class-1 Stainless Steel AISI 316 / 316L Carbide Solution Treated
B-8M Class-2 Stainless Steel AISI 316 / 316L Carbide Solution Treated, Strain Hardened
B-8C Stainless Steel AISI 347 / 347H Carbide Solution Treated, Strain Hardened
B-8T Stainless Steel AISI 321 / 321H Carbide Solution Treated, Strain Hardened
B-8P Stainless Steel AISI 305 Carbide Solution Treated, Strain Hardened
Roll Threaded Bars, Roll Threaded Rods, Roll Threaded Studs
ASTM A194 Grade 8, 8M, 8F, 8A, 8C, 6, 310
Thread : Metric, BSW, BSF, UNC, UNF
Threaded Rod / Threaded Bar DIN 975, Stud Bolt DIN 976
Hexagon Bolt DIN 601, DIN 931, DIN 933, Hexagon Nut DIN 555, DIN 934
Plain Washer DIN 125, Stud Metal End DIN 938, DIN 939, DIN 940
Property Class : 4.8, 5.6, 5.8, 8.8, 10.9, 12.9
Coating : Bright Zinc Plated, Hot Dip Galvanised, Phosphatided, Nickel Plated
Material : 22CrMo4, 24CrMo4, 25CrMo4, 26CrMo4, 34CrMo4, 42CrMo4, 34CrNiMo6, 41CrNiMo6
Material : AISI 4130, SAE 4130, AISI 4140, SAE 4140, AISI 4145, SAE 4145, AISI 4340, SAE 4340
Material : EN 8, EN 9, EN 19, EN 24 Condition : Normalized, Tempered, Quenched & Tempered

ASTM Specifications

• ASTM A153 Hot dip galvanizing specification

• ASTM A193 Alloy steel & stainless steel bolting materials for high temp service

• ASTM A194 Carbon & alloy nuts for bolts on high pressure & high temp service

• ASTM A307 Carbon steel bolts & studs from 1/4” through 4” diameter

• ASTM A320 Alloy steel & stainless steel bolting materials for low temp service

• ASTM A325 Structural bolts, steel, heat treated, 120/105 ksi minimum tensile strength

• ASTM A354 Quenched & tempered alloy bolts, studs and other externally threaded fasteners

• ASTM A449 Quenched & tempered alloy bolts & studs

• ASTM A490 Structural bolts, alloy steel, heat treated, 150 ksi tensile strength

• ASTM A563 Standard specification for carbon & alloy steel nuts

• ASTM F1554 Anchor bolts designed to anchor structural supports to concrete foundations

• ASTM F2329 New specification covering hot dip galvanizing

 


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A153

The ASTM A153 specification covers zinc coating (hot-dip) on iron and steel hardware. A newer and more appropriate specification developed in 2005 covering the requirement for hot-dip galvanizing of bolts, screws, nuts, washers and other threaded fasteners is ASTM F2329. It is not yet widely used since many of the ASTM specifications covering bolts, nuts and washers do not reference it. As soon as revisions referencing F2329 are made to these fastener specifications, F2329 will become more common. ASTM A123 is a related hot-dip galvanizing specification covering iron and steel products made from rolled pressed and forged shapes, castings, plates, bars, and strips.

 


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A193

This specification is heavily utilized in petroleum and chemical construction applications.  The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.Below is a basic summary of a few of the common grades. ASTM A193 covers a number of other standard specifications not covered in this description including B5, B6, and B16.

GRADES

B7

Alloy steel, AISI 4140/4142 quench & tempered

B8

Class 1 Stainless steel, AISI 304, carbide solution treated

B8M

Class 1 Stainless steel, AISI 316, carbide solution treated

B8

Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened

B8M

Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened

MECHANICAL PROPORTIES

Grade

Size

Tensile ksi, min

Yield, ksi, min

Elong, %, min

RA % min

B7

Up to 2-1/2

125

105

16

50

2-5/8 - 4

115

95

16

50

4-1/8 - 7

100

75

18

50

B8 Class 1

All

75

30

30

50

B8M Class 1

All

75

30

30

50

B8 Class 2

Up to 3/4

125

100

12

35

7/8 - 1

115

80

15

35

1-1/8 - 1-1/4

105

65

20

35

1-3/8 - 1-1/2

100

50

28

45

B8M Class 2

Up to 3/4

110

95

15

45

7/8 - 1

100

80

20

45

1-1/8 - 1-1/4

95

65

25

45

1-3/8 - 1-1/2

90

50

30

45

RECOMMENDED NUTS and WASHERS

Grade

Nuts

Washers

B7

A194 Grade 2H

F436

B8 Class 1

A194 Grade 8

SS304

B8M Class 1

A194 Grade 8M

SS316

B8 Class 2

A194 Grade 8, strain hardened

SS304

B8M Class 2

A194 Grade 8M, strain hardened

SS316


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A194

The ASTM A194 specification covers carbon, alloy and stainless steel nuts intended for use in high-pressure and/or high-temperature service. Unless otherwise specified, the American National Standard Heavy Hex Series (ANSI B 18.2.2) shall be used. Nuts up to and including 1 inch nominal size shall be UNC Series Class  2B fit. Nuts over 1 inch nominal size shall be either UNC Series Class 2B fit or 8 UN Series Class 2B fit. High strength ASTM A194 grade 2H nuts are common in the marketplace and are often substituted for ASTM A563 grade DH nuts due to the limited availability of DH nuts in certain diameters and finishes.

GRADES

2

Carbon steel heavy hex nuts

2H

Quenched & tempered carbon steel heavy hex nuts

2HM

Quenched & tempered carbon steel heavy hex nuts

4

Quenched & tempered carbon-molybdenum heavy hex nuts

7

Quenched & tempered alloy steel heavy hex nuts

7M

Quenched & tempered alloy steel heavy hex nuts

8

Stainless AISI 304 heavy hex nuts

8M

Stainless AISI 316 heavy hex nuts

 

MECHANICAL PROPORTIES

Grade Identification Marking 5

Specification

Material

Nominal Size, In.

Tempering Temp. °F

Proof Load Stress, ksi

Hardness Rockwell

See Note

Min

Max

ASTM A194 - Grade 2ASTM A194 Grade 2Medium Carbon Steel1/4 - 41000150159

352

1,2,3

ASTM A194 - Grade 2HASTM A194 Grade 2HMedium Carbon Steel, Quenched and Tempered1/4 - 41000175C24

C38

1,2

ASTM A194 - Grade 2HMASTM A194 Grade 2HMMedium Carbon Steel, Quenched and Tempered1/4 - 41000150159

237

1,2,3

ASTM A194 - Grade 4ASTM A194 Grade 4Medium Carbon Alloy Steel, Quenched and Tempered1/4 - 41100175C24

C38

1,2

ASTM A194 - Grade 7ASTM A194 Grade 7Medium Carbon Alloy Steel, Quenched and Tempered1/4 - 41100175C24

C38

1,2

ASTM A194 - Grade 7MASTM A194 Grade 7MMedium Carbon Alloy Steel, Quenched and Tempered1/4 - 41100150159

237

1,2,3

ASTM A194 - Grade 8ASTM A194 Grade 8Stainless AISI 3041/4 - 4-80126

300

4

ASTM A194 - Grade 8MASTM A194 Grade 8MStainless AISI 3161/4 - 4-80126

300

4

NOTES•  The markings shown for all grades of A194 nuts are for cold formed and hot forged nuts. When nuts are machined from bar stock, the nut must additionally be marked with the letter 'B'. The letters H and M indicate heat treated nuts.•  Properties shown are those of coarse and 8-pitch thread heavy hex nuts.•  Hardness numbers are Brinell Hardness.•  Nuts that are carbide-solution treated require additional letter A - 8A or 8MA.

•  All nuts shall bear the manufacturer's identification mark. Nuts shall be legibly marked on one face to indicate the grade and process of the manufacturer. Marking of wrench flats or bearing surfaces is not permitted unless agreed upon between manufacturer and purchaser. Nuts coated with zinc have an asterisk (*) marked after the grade symbol. Nuts coated with cadmium shall have a plus sign (+) marked after the grade symbol.

ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A307

The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4” through 4” diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C* which denote tensile strength, configuration, and application. Refer to the Mechanical Properties Chart for the subtle strength differences within each grade.

GRADES

A

Headed bolts, threaded rods and bent bolts intended for general applications.

B

Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges.

C

Anchor bolts, either bent or straight, intended for structural anchorage purposes. The end of a grade C anchor bolt intended to project from the concrete will be painted green for identification purposes. Permanent marking is a supplemental requirement. *As of August 2007, grade C has been replaced by specification F1554 grade 36 . Northstar will continue to supply grade C, if required by the project.

MECHANICAL PROPORTIES

Grade Tensile, ksi

Yield, min, ksi

Elong %, min

A60 min

--

18

B60 - 100

--

18

C58 - 80

36

23

RECOMMENDED NUTS and WASHERS

Nuts

Washers

A307 Grades A & C

A307 Grade B

1/4 – 1-1/2

1-5/8 - 4

1/4 -4

A563A Hex

A563A Heavy Hex

F844


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A320

The ASTM A320 specification covers alloy steel and stainless steel bolting materials for low temperature service. This standard covers rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts used for pressure vessels, valves, flanges, and fittings. Like the ASTM A193 specification, unless otherwise specified, the 8UN thread series is specified on fastener larger than 1” in diameter.Below is a basic summary of a few of the common grades within the ASTM A320 specification. A number of other less common grades of ASTM A320 exist, but not covered in the description below.

GRADES

L7

Alloy steel, AISI 4140/4142 quench & tempered

L43

Alloy steel, AISI 4340 quench & tempered

B8

Class 1 Stainless steel, AISI 304, carbide solution treated

B8M

Class 1 Stainless steel, AISI 316, carbide solution treated

B8

Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened

B8M

Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened

MECHANICAL PROPORTIES

Grade

Size

Tensile,
ksi, min Yield,
ksi, min Charpy Impact
20-ft-lbf
@ temp

Elong,
%, min

RA, %, min

L7

Up to 2 1 / 2

125105-150° F

16

50

L43

Up to 4

125105-150° F

16

50

B8
Class 1

All

7530N/A

30

50

B8M
Class 1

All

7530N/A

30

50

B8
Class 2

Up to 3 / 4

125100N/A

12

35

7 / 8 - 1

11580N/A

15

35

1 1 / 8 - 1 1 / 4

10565N/A

20

35

1 3 / 8 - 1 1 / 2

10050N/A

28

45

B8M
Class 2

Up to 3 / 4

11095N/A

15

45

7 / 8 - 1

10080N/A

20

45

1 1 / 8 - 1 1 / 4

9565N/A

25

45

1 3 / 8 - 1 1 / 2

9050N/A

30

45

RECOMMENDED NUTS and WASHERS

Grade

Nuts

Washers

L7

A194 Grade 4 or 7

F436

L43

A194 Grade 4 or 7

F436

B8 Class 1

A194 Grade 8

SS304

B8M Class 1

A194 Grade 8M

SS316

B8 Class 2

A194 Grade 8 , strain hardened

SS304

B8M Class 2

A194 Grade 8M , strain hardened

SS316


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A325

The ASTM A325 specification covers high strength heavy hex structural bolts from ?” diameter through 1-1/2” diameter. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts.This specification is applicable to heavy hex structural bolts only. For bolts of other configurations and thread lengths with similar mechanical properties, please refer to ASTM A449 .Bolts for general applications, including anchor bolts, are covered by ASTM A449. Also refer to A449 for quenched and tempered steel bolts and studs with diameters greater than 1-1/2" but with similar mechanical properties.

GRADES

TYPE 1

Medium carbon, carbon boron, or medium carbon alloy steel

TYPE 2

Withdrawn November 1991

TYPE 3

Weathering steel

T

Fully threaded per ASTM A325

M

Metric A325

CONNECTION TYPES

SC

Slip critical connection

N

Bearing type connection with threads included in the shear plane

X

Bearing type connection with threads excluded from the shear plane

MECHANICAL PROPORTIES

Size Tensile, ksi Yield, ksi

Elong %, min

RA %, min

1/2 – 1120 min92 min

14

35

1-1/8 – 1-1/2105 min81 min

14

35

RECOMMENDED NUTS and WASHERS

Nuts

Washers

Type 1

Type 3

Type 1

Type 3

Plain

Galvanized

Plain

A563C, C3, D, DH, DH3

A563DH

A563C3, DH3

F463-1

F463-3

Note: Nuts conforming to A194-2H are a suitable substitute for use with A325 heavy hex structural bolts. The ASTM A563 Nut Compatibility Chart has a complete list of specifications.


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A354

The ASTM A354 specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners 4" and under in diameter.Two strength levels, grade BC and grade BD, are summarized in the chart below. This specification is unrestricted in its configuration and can be a headed bolt , bent bolt , or threaded rod .

GRADES

A354 BC

Lower in strength than grade BD

A354 BD

A354 grade BD bolts are higher in strength than A354 grade BC and equal in strength to ASTM A490 bolts. Unlike ASTM A490 however, the A354 BD specification is unrestricted in its configuration. Since A490 bolts are heavy hex structural bolts and do not exceed 1-1/2" diameter, specification A354 BD should be considered for anchor bolts, threaded rods, other styles of headed bolts, and bolts larger than 1-1/2" diameter where similar mechanical properties are desired. A354 grade BD does not require a magnetic particle test as is required by the A490 specification.

 

MECHANICAL PROPORTIES

Grade

Size

Tensile, ksi, min Yield, ksi, min

Elong %, min

RA %, min

BC

1/4 – 2-1/2

125109

16

50

2-5/8 – 4

11599

16

45

BD

1/4 – 2-1/2

150130

14

40

2-5/8 - 4

140115

14

40

RECOMMENDED NUTS and WASHERS

Nuts

Washers

Grade BC

Grade BD

Plain

Galvanized

Plain

A563C Heavy Hex

A563DH Heavy Hex

A563DH Heavy Hex

F436

* Nuts of other grades load stresses greater than the specified grade are suitable. Refer to ASTM A563 Nut Compatibility Chart for details.

ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A449

ASTM A449 covers headed bolts , rods , and bent bolts in diameters ranging from 1/4" through 3" inclusive. It is a medium strength bolt manufactured from a medium carbon or alloy steel that develops its mechanical values through a heat treating process. It is intended for general engineering applications.ASTM A449 is virtually identical in chemistry and strength to ASTM A325 and SAE J429 grade 5. However, A449 is more flexible in the sense that it covers a larger diameter range and is not restricted by a specific configuration.

GRADES

TYPE 1

Plain carbon steel, carbon boron steel, alloy steel or alloy boron steel

TYPE 2

Withdrawn 2003

TYPE 3

Weathering steel

 

MECHANICAL PROPORTIES

Size Tensile, ksi Yield, ksi

Elong %, min

RA %, min

1/4 – 1120 min92 min

14

35

1-1/8 – 1-1/2105 min81 min

14

35

1-5/8 - 390 min58 min

14

35

RECOMMENDED NUTS and WASHERS

Nuts

Washers

Plain

Galvanized

1/4 – 1-1/2

1-5/8 - 3

1/4 – 3

A563B Hex

A563A Heavy Hex

A563DH Heavy Hex

F436

Note: Nuts of other grades having proof load stresses greater than the specified grade are suitable. The ASTM A563 Nut Compatibility Chart has a complete list of specifications.


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A490

The ASTM A490 specification covers quenched and tempered, alloy steel, heavy hex structural bolts from ?” diameter through 1?” diameter with a minimum 150 ksi tensile. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts. Refer to the Structural Bolts page of our site for thread lengths and other related dimensions. A490 bolts are similar in application and dimensions to A325 heavy hex structural bolts but are made from an alloy steel rather than a medium carbon steel, resulting in a higher strength fastener.The A490 specification is applicable to heavy hex structural bolts only. For bolts with different thread lengths than specified for structural bolts but with similar mechanical properties, see Specification A354 grade BD .ASTM A490 bolts shall not be coated by hot-dip galvanizing, mechanical deposition, or electroplating with zinc or other metallic coatings due to the potential risk of hydrogen embrittlement. Additional testing in the form of Magnetic Particle Inspection for Longitudinal Discontinuities and Transverse Cracks is a requirement of the A490 specification.

GRADES

TYPE 1

Medium carbon and alloy steel

TYPE 2

Withdrawn in 2002

TYPE 3

Weathering steel

M

Metric A490

CONNECTION TYPES

SC

Slip critical connection

N

Bearing type connection with threads included in the shear plane

X

Bearing type connection with threads excluded from the shear plane

MECHANICAL PROPORTIES

Size Tensile, ksi Yield, ksi

Elong %, min

RA %, min

1/2 – 1150 - 173 min130 min

14

40

RECOMMENDED NUTS and WASHERS

Nuts

Washers

Type 1

Type 3

Type 1

Type 3

A563DH

A563DH3

F436-1

F436-3

Note: Nuts conforming to A194-2H are a suitable substitute for use with A490 heavy hex structural bolts.The bolts shall not be coated by hot-dip zinc coating, mechanical deposition, or electroplating with zinc or other metallic coatings due to the potential for hydrogen embrittlement.Each sample representative of the lot shall be magnetic particle inspected for longitudinal discontinuities and transverse cracks.

 


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A563

The ASTM A563 specification covers the chemical and mechanical requirements for carbon and alloy steel nuts used on bolts, studs, and externally threaded fasteners. The charts below address over tapping allowances for hot-dip galvanized nuts, grade marking requirements, and mechanical requirements.According the A563 specification, “The requirements for any grade of nut may, at the supplier's option, and with notice to the purchaser, be fulfilled by furnishing nuts of one of the stronger grades specified herein unless such a substitution is barred in the inquiry and purchase order”. This is important because some nut grades are not readily available in certain sizes and finishes. Additionally, the specification allows for the substitution of ASTM A194 grade 2H nuts in lieu of A563 grade DH nuts due to the lack of availability of grade DH nuts in nominal sizes ?” and larger.Hot-dip galvanized nuts must be tapped oversize to allow for the added thickness of the zinc on the threads of the externally threaded fastener. Various nut styles exist and to some degree are determined by their grade. These styles include hex , heavy hex , square , jam , coupling , and sleeve .

GRADES

A

Low carbon steel, hex or heavy hex

B

Low carbon steel, hex or heavy hex

C

Carbon steel, quench & tempered, heavy hex

D

Carbon steel, quench & tempered, heavy hex

DH

Carbon steel, quench & tempered, heavy hex

C3

Weathering steel, quench & tempered, heavy hex

DH3

Weathering steel, quench & tempered, heavy hex

MECHANICAL PROPORTIES

Grade

Style

Size, in.

Proof Load, ksi

Hardness, HBN

Black

Galvanized

A

Hex

1/4 - 1-1/2

90

68

116 - 302

Heavy Hex

1/4 - 4

100

75

116 - 302

B

Heavy Hex

1/4 - 1

133

100

121 - 302

Heavy Hex

1-1/8 - 1-1/2

116

87

121 - 302

C / C3

Heavy Hex

1/4 - 4

144

144

143 - 352

D

Heavy Hex

1/4 - 4

150

150

248 - 352

DH / DH3

Heavy Hex

1/4 - 4

175

150

248 - 352

For UNC, 8UN, 6UN, and Coarse Pitch Threads

GRADE IDENTIFICATION AND MARKINGS

Grade Identification Marking

Specification

Material

Nominal Size, In.

Proof Load Stress, ksi

Hardness Rockwell

See Note

Min

Max

No Mark
No Mark

ASTM A563 Grade O

Carbon Steel

1/4 - 1-1/2

69

B55

C32

2,3

ASTM A563 Grade A

Carbon Steel

1/4 - 1-1/2

90

B68

C32

2,3

ASTM A563 Grade B

Carbon Steel

1/4 - 1

120

B69

C32

2,3

>1 - 1-1/2

105

ASTM A563 - Grade CASTM A563 Grade C

Carbon Steel, may be Quenched and Tempered

1/4 - 4

144

B78

C38

4

ASTM A563 - Grade C3ASTM A563 Grade C3

Atmospheric Corrosion Resistant Steel, may be Quenched and Tempered

1/4 - 4

144

B78

38

4,6

ASTM A563 - Grade DASTM A563 Grade D

Carbon Steel, may be Quenched and Tempered

1/4 - 4

150

B84

C38

5

ASTM A563 - Grade DHASTM A563 Grade DH

Carbon Steel, Quenched and Tempered

1/4 - 4

175

C24

C38

5

ASTM A563 - Grade DH3ASTM A563 Grade DH3

Atmospheric Corrosion Resistant Steel, Quenched and Tempered

1/4 - 4

175

C24

C38

4,6

NOTES: •  In addition to the indicated grade marking, all grades, except A563 grades O, A, and B, must be marked for manufacturer identification.•  Nuts are not required to be marked unless specified by the purchaser. When marked, the identification marking shall be the grade letter O, A, or B.•  Properties shown are those of nonplated or noncoated coarse thread nuts.•  Properties shown are those of coarse thread heavy hex nuts.•  Properties shown are those of coarse thread heavy hex nuts. Other nuts styles and fine threads may apply.

•  The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.

THREAD DIMENSIONS AND OVERSIZING ALLOWANCES

for Nuts: Hot Dipped Galvanized per Specification A153, C1.C

Nominal Nut Size,
in. and Pitch

Diametral Allowance,
in.

Pitch Diameter

Min

Max

0.250 - 20

0.016

0.2335

0.2384

0.312 - 18

0.017

0.2934

0.2987

0.375 - 16

0.017

0.3514

0.3571

0.437 - 14

0.018

0.4091

0.4152

0.500 - 13

0.018

0.4680

0.4745

0.0562 - 12

0.020

0.5284

0.5352

0.625 - 11

0.020

0.5860

0.5932

0.750 - 10

0.020

0.7050

0.7127

0.875 - 9

0.022

0.8248

0.8330

1.000 - 8

0.024

0.9428

0.9516

1.125 - 8

0.024

1.0678

1.0768

1.125 - 7

0.024

1.0562

1.0656

1.250 - 8

0.024

1.1928

1.2020

1.250 - 7

0.024

1.1812

1.1908

1.375 - 8

0.027

1.3208

1.3301

1.375 - 6

0.027

1.2937

1.3041

1.500 - 8

0.027

1.4458

1.4553

1.500 - 6

0.027

1.4187

1.4292

1.750 - 5

0.050

1.6701

1.6817

2.000 - 4.5

0.050

1.9057

1.9181

2.250 - 4.5

0.050

2.1557

2.1683

2.500 - 4

0.050

2.3876

2.4011

2.750 - 4

0.050

2.6376

2.6513

3.250 - 4

0.050

3.1376

3.1517

3.500 - 4

0.050

3.3876

3.4019

3.750 - 4

0.050

3.3876

3.4019

4.000 - 4

0.050

3.8876

3.9023

.

 

ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM F1554

The ASTM F1554 specification covers anchor bolts designed to anchor structural supports to concrete foundations. F1554 anchor bolts can take the form of either headed bolts, straight rods, or bent anchor bolts. The three grades 36, 55, and 105 designate the minimum yield strength (ksi) of the anchor bolt. The bolts can be either cut or roll threaded and a weldable grade 55 can be substituted for grade 36 at the supplier's option. Color coding on the end - 36 blue, 55 yellow, and 105 red – helps facilitate easy identification in the field. Permanent manufacturer and grade marking is allowed under the S2 supplementary requirements.Applications for F1554 anchor bolts include columns in structural steel framed buildings, traffic signal and street lighting poles, and overhead highway sign structures to name just a few.

GRADES

F1554 Grade 36

Low carbon, 36ksi yield steel anchor bolts

F1554 Grade 55

Low alloy, 55ksi yield steel anchor bolts

F1554 Grade 105

Alloy, heat treated, high strength 105ksi yield steel anchor bolts

 

MECHANICAL PROPORTIES

Grade Size inches Tensile, ksi Yield, ksi min Yield, MPa min

Elong. % min

RA % min

36 1/4 - 458 - 8036248

23

40

55

1/4 - 275 - 9555380

21

30

2? - 2?75 - 9555380

21

22

2? - 375 - 9555380

21

20

3? - 475 - 9555380

21

18

105 1/4 - 3125 - 150105724

15

45

RECOMMENDED NUTS and WASHERS

Grade Size inches Plain

Galvanized

Washer

36

1/4 - 1-?A563A Hex

A563A Hex

F436

1-? - 4A563A Heavy Hex

A563A Heavy Hex

F436

55

1/4 - 1-?A563A Hex

A563A Heavy Hex

F436

1-? - 4A563A Heavy Hex

A563A Heavy Hex

F436

105

1/4 - 1-?A563D Heavy Hex1

A563DH Heavy Hex2

F436

1-? - 3A563DH Heavy Hex2

A563DH Heavy Hex2

F436

•  A563-D rarely available, A563DH or A194-2H substituted.

•  Per ASTM A563, A194-2H may be substituted for A563-DH.


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM F2329

ASTM F2329 covers the requirements for hot-dip zinc coating applied to carbon steel and alloy steel bolts, screws, washers, nuts, and special threaded fasteners applied by the hot-dip coating process . This specification was developed in 2005, but is not yet widely used since many of the ASTM specification covering threaded fasteners do not reference it.  As soon as these specifications are updated to reference the ASTM F2329 specification, it will likely become much more prevalent than ASTM A153 which is the specification that is currently used to cover hot-dip galvanizing of bolts. ASTM A123 is a related hot-dip galvanizing specification covering iron and steel products made from rolled pressed and forged shapes, castings, plates, bars, and strips.

 


ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, Seamless Pipes API 5L X60, Seamless Pipes API 5L X65, Seamless Pipes API 5L X70, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates

ASTM A563 Nut Compatibility Chart

Grade of Bolt

Surface Finish

Nominal Size Inches

A563 Grade and ANSI Nut Style

Recommended

Suitable

Hex Heavy
Hex

Hex

Heavy
Hex

A307 Grade A & C

Any

? to 1?A

B,D,DH

A,B,C,D,DH,DH3

>1? to 2A

A

C,D,DH,DH3

>2 to 4A

 

C,D,DH,DH3

A307 Grade B

Any

? to 1?A

B,D,DH

A,B,C,D,DH,DH3

>1? to 2A

A

 

>2 to 4A

 

 

A325 Type 1

Plain? - 1?C

 

C3,D,DH,DH3

Galvanized? - 1?DH

 

 

A325 Type 3Plain? - 1?C3

 

DH3

A354 Grade BC

Plain

? to 1?C

D,DH

C3,D,DH,DH3

>1? to 4C

 

C3,D,DH,DH3

Galvanized

? to 1?DH

 

 

>1? to 4DH

 

 

A354 Grade BD

Plain

? to 1?DH

DH

D,DH,DH3

>1? to 4DH

 

DH3

A449

Plain

? to 1?B

D,DH

B,C,C3,D,DH,DH3

>1? to 3A

 

C,C3,D,DH,DH3

Galvanized

? to 1?DH

D,DH

D

>1? to 3DH

 

D

A490 Type 1Plain? - 1?DH

 

DH3

A490 Type 3Plain? - 1?DH3

 

 

A687

Plain? - 3D

 

DH,DH3

Galvanized? - 3DH

 

 

F1554 Grade 36

Any

? to 1?A

B,D,DH

A,B,C,D,DH,DH3

>1? to 4A

 

C,D,DH,DH3

F1554 Grade 55

Plain

? to 1?A

B,D,DH

A,B,C,D,DH,DH3

>1? to 4A

 

C,D,DH,DH3

Galvanized? to 4A

 

C,D,DH,DH3

F1554 Grade 105

Plain

? to 1?D

 

DH,DH3

>1? to 3DH

 

DH3

Galvanized? to 3DH

 

DH3

1. The availability of A563 grade DH nuts in nominal sizes 3/4" and larger is very limited and generally available only on special orders of 50,000 or more. For smaller quantities, ASTM A194 grade 2H should be considered.

 


Inspection & Approval Certificates : EN10204 3.1 / DIN 50049 3.1 / ISO 10474 3.1 Mill Test Certificate, NACE MR-01-75 / ISO 15156, CE Marked, European Pressure Equipment Directive PED-97/23/EC, AD-2000-W0, ASME Boiler & Pressure Vessel Code Sec.II Part A Ed. 2008, with 3.2 certificate duly Certified & Approved by LRS (Lloyd's Register), GL (Germanischer Lloyd), BV (Bureau Veritas), DNV (Det Norske Veritas), ABS (American Bureau of Shipping), SGS, TUV, RINA, IRS, NORSOK Approved Standard M-630, M-650 Rev.3


 
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