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DENSITY OF STAINLESS STEEL
| EN - DIN | W. Nr. | AISI | ASTM - UNS | AFNOR | ® | Kg/dm3 | | Cr | X6Cr13 | 1.4000 | 410 S | S41008 | Z 8 C 12 | | 8,00 | X6CrAl13 | 1.4002 | 405 | S40500 | Z 8 CA 12 | | 8,00 | X12CrS13 | 1.4005 | 416 | S41600 | Z 13 CF 13 | | 8,00 | X12Cr13 | 1.4006 | 410 | S41000 | Z 10 C 13 | | 8,00 | X6Cr17 | 1.4016 | 430 | S43000 | Z 8 C 17 | | 8,00 | X20Cr13 | 1.4021 | 420 | S42000 | Z 20 C 13 | | 8,00 | | X15Cr13 | 1.4024 | 420 S | J91201 | Z 15 C 13 | | 8,00 | | X30Cr13 | 1.4028 | 420 | J91153 | Z 33 C 13 | | 8,00 | | X46Cr13 | 1.4034 | (420) | | Z 44 C 14 | | 8,00 | | X19CrNi17.2 | 1.4057 | 431 | S43100 | Z 15 CN 16.02 | | 8,00 | | X14CrMoS17 | 1.4104 | 430 F | S43020 | Z 13 CF 17 | | 8,00 | | X90CrMoV18 | 1.4112 | 440 B | S44003 | Z 90 CDV 18 | | 8,00 | | X39 CrMo17.1 | 1.4122 | | | Z 38 CD 16.01 | | 8,00 | | X105CrMo17 | 1.4125 | 440 C | S44004/S44025 | Z 100 CD 17 | | 8,00 | | X5CrTi17 | 1.4510 | 430 Ti | S43036/S43900 | Z 4 CT 17 | | 8,00 | | X5CrNiCuNb16.4 | 1.4542/1.4548 | 630 | S17400 | Z 7 CNU 17.04 | 17.4 PH | 8,00 | | X7CrNiAl17.7 | 1.4568 | 631 | S17700 | Z 9 CNA 17.07 | 17.7 PH | 8,00 | | Cr + Ni | | X5CrNi18.10 | 1.4301 | 304 | S30400 | Z 6 CN 18.09 | | 8,00 | | X5CrNi18.12 | 1.4303 | 305 | | Z 8 CN 18.12 | | 8,00 | | X10CrNiS18.9 | 1.4305 | 303 | S30300 | Z 10 CNF 18.09 | | 8,00 | | X2CrNi19.11 | 1.4306 | 304 L | S30403 | Z 3 CN 18.10 | | 8,00 | | X12CrNi17.7 | 1.4310 | 301 | S30100 | Z 11 CN 18.08 | | 8,00 | | X2CrNiN18.10 | 1.4311 | 304 LN | S30453 | Z 3 CN 18.10 Az | | 8,00 | | X1CrNi25.21 | 1.4335 | 310 L | | Z 1 CN 25.20 | URANUS 65/ SS25L | 8,00 | | X1CrNiSi18.15 | 1.4361 | | S30600 | Z 1 CNS 17.15 | URANUS S1/ ANTINIT | 8,00 | | X6CrNiTi18.10 | 1.4541 | 321 | S32100 | Z 6 CNT 18.10 | | 8,00 | | X6CrNiNb18.10 | 1.4550 | 347 (H) | S34700 | Z 6 CNNb 18.10 | | 8,00 | | Cr + Ni + Mo | | X5CrNiMo17.12.2 | 1.4401 | 316 | S31600 | Z 7 CND 17.11.02 | | 8,00 | | X2CrNiMo17.13.2 | 1.4404 | 316 L | S31603 | Z 3 CND 18.12.02 | | 8,00 | | X2CrNiMoN17.12.2 | 1.4406 | 316 LN | S31653 | Z 3 CND 17.11 Az | | 8,00 | | X2CrNiMoN17.13.3 | 1.4429 | 316 LN (Mo+) | (S31653) | Z 3 CND 17.12 Az | | 8,00 | | X2CrNiMo18.14.3 | 1.4435 | 316 L (Mo+) | S31609 | Z 3 CND 18.14.03 | | 8,00 |
X5CrNiMo17.13.3 | 1.4436 | 316 (Mo+) | | Z 6 CND 18.12.03 | | 8,00 | | X2CrNiMo18.16.4 | 1.4438 | 317 L | S31703 | Z 3 CND 19.15.04 | | 8,00 | | X2CrNiMoN17.13.5 | 1.4439 | 317 LNM | S31726 | Z 3 CND 18.14.05 Az | | 8,00 | | X5CrNiMo17.13 | 1.4449 | (317) | | Z 6 CND 17.12.04 | | 8,00 | | X1CrNiMoN25.25.2 | 1.4465 | | N08310/S31050 | Z 2 CND 25.25 Az | | 8,00 | | X1CrNiMoN25.22.2 | 1.4466 | | S31050 | Z 2 CND 25.22 Az | | 8,00 | | X4NiCrMoCuNb20.18.2 | 1.4505 | | | Z 5 NCDUNb 20.18 | | 8,00 | | X5NiCrMoCuTi20.18 | 1.4506 | | | Z 5 NCDUT 20.18 | | 8,00 | | X1NiCrMoCuN25.20.6 | 1.4529 | | N08926 | | 19.25 HMo | 8,00 | | X1NiCrMoCu25.20.5 | 1.4539 | 904 L | N08904 | Z 2 NCDU 25.20 | URANUS B6 / 2 RK 65 | 8,00 | | X1CrNiMoCuN20.18.7 | 1.4547 | | S31254 | Z 1 CNDU 20.18 Az | 254 SMO | 8,00 | | X1NiCrMoCu31.27.4 | 1.4563 | | N08028 | Z 1 NCDU 31.27.03 | SANICRO 28 | 8,00 | | X2CrNiMnMoNbN 25.18.5.4 | 1.4565 | | S34565 | | 4565 S / 6 Mo | 8,00 | | X6CrNiMoTi17.12.2 | 1.4571 | 316 Ti | S31635 | Z 6 CNDT 17.12 | | 8,00 | | X3CrNiMoTi25.25 | 1.4577 | | | Z 5 CNDT 25.25 | | 8,00 | | X6CrNiMoNb17.12.2 | 1.4580 | 316 Cb/Nb | S31640 | Z 6 CNDNb 17.12 | | 8,00 | | X10CrNiMoNb18.12 | 1.4583 | 318 | | Z 6 CNDNb 17.13 | | 8,00 | | DUPLEX & SUPER-DUPLEX - | | X2CrNiN23.4 | 1.4362 | | S32304 | Z 3 CN 23.04 Az | URANUS 35N / SAF 23.04 | 8,00 | | X2CrNiMoN25.7.4 | 1.4410 | | S32750 | Z 3 CND 25.06 Az | URANUS 47 N (+) SAF 25.07 | 8,00 | | X2CrNiMoN27.5.2 | 1.4460 | 329 | S32900 | Z 5 CN 27.05 Az | SS 44 | 8,00 | | X2CrNiMoN22.5.3 | 1.4462 | (329 LN)/ F51 | S31803/S32205 | Z 3 CND 22.05 Az | URANUS 45N / SAF 2205 | 8,00 | | X2CrNiMoCuWN25.7.4 | 1.4501 | F55 | S32760 | | ZERON 100 | 8,00 | | X2CrNiMoCuN25.6.3 | 1.4507 | F53 | S32550/S32520 | Z 3 CNDU 25.07 Az | URANUS 52 N (+) | 8,00 |
Comparison of standardized steels
| EN-standard Steel no. DIN |
EN-standard Steel name |
ASTM/AISI Steel type |
UNS |
|---|
| | | 440A | S44002 | | 1.4112 | | 440B | S44004 | | 1.4125 | | 440C | S44003 | | | | 440F | S44020 | | 1.4016 | X6Cr17 | 430 | S43000 | | 1.4512 | X6CrTi12 | 409 | S40900 | | 1.4310 | X10CrNi18-8 | 301 | S30100 | | 1.4318 | X2CrNiN18-7 | 301LN | N/A | | 1.4307 | X2CrNi18-9 | 304L | S30403 | | 1.4306 | X2CrNi19-11 | 304L | S30403 | | 1.4311 | X2CrNiN18-10 | 304LN | S30453 | | 1.4301 | X5CrNi18-10 | 304 | S30400 | | 1.4948 | X6CrNi18-11 | 304H | S30409 | | 1.4303 | X5CrNi18 12 | 305 | S30500 | | 1.4541 | X6CrNiTi18-10 | 321 | S32100 | | 1.4878 | X12CrNiTi18-9 | 321H | S32109 | | 1.4404 | X2CrNiMo17-12-2 | 316L | S31603 | | 1.4401 | X5CrNiMo17-12-2 | 316 | S31600 | | 1.4406 | X2CrNiMoN17-12-2 | 316LN | S31653 | | 1.4432 | X2CrNiMo17-12-3 | 316L | S31603 | | 1.4435 | X2CrNiMo18-14-3 | 316L | S31603 | | 1.4436 | X3CrNiMo17-13-3 | 316 | S31600 | | 1.4571 | X6CrNiMoTi17-12-2 | 316Ti | S31635 | | 1.4429 | X2CrNiMoN17-13-3 | 316LN | S31653 | | 1.4438 | X2CrNiMo18-15-4 | 317L | S31703 | | 1.4539 | X1NiCrMoCu25-20-5 | 904L | N08904 | | 1.4547 | X1CrNiMoCuN20-18-7 | N/A | S31254 |
Stainless steel grades
This list is incomplete; you can help by expanding it.
- 200 Series—austenitic chromium-nickel-manganese alloys
- Type 201—austenitic that is hardenable through cold working
- Type 202—austenitic general purpose stainless steel
- 300 Series—austenitic chromium-nickel alloys
- Type 301—highly ductile, for formed products. Also hardens rapidly during mechanical working. Good weldability. Better wear resistance and fatigue strength than 304.
- Type 302—same corrosion resistance as 304, with slightly higher strength due to additional carbon.
- Type 303—easier machining version of 304 via addition of sulfur and phosphorus. Also referred to as "A1" in accordance with International Organization for Standardization ISO 3506.[5]
- Type 304—the most common grade; the classic 18/8 stainless steel. Also referred to as "A2" in accordance with International Organization for Standardization ISO 3506.[5]
- Type 304L—the 304 grade but specially modified for welding.
- Type 309— better temperature resistance than 304
- Type 316—the second most common grade (after 304); for food and surgical stainless steel uses; Alloy addition of molybdenum prevents specific forms of corrosion. 316 steel is used in the manufacture and handling of food and pharmaceutical products where it is often required in order to minimize metallic contamination. It is also known as "marine grade" stainless steel due to its increased resistance to chloride corrosion compared to type 304. SS316 is often used for building nuclear reprocessing plants. Most watches that are made of stainless steel are made of Type 316L; Rolex is an exception in that they use Type 904L. Also referred to as "A4" in accordance with International Organization for Standardization ISO 3506.[5]
- Type 321—similar to 304 but lower risk of weld decay due to addition of titanium. See also 347 with addition of niobium for desensitization during welding.
- 400 Series—ferritic and martensitic chromium alloys
- Type 405—a ferritic expecially made for welding applications
- Type 408—heat-resistant; poor corrosion resistance; 11% chromium, 8% nickel.
- Type 409—cheapest type; used for automobile exhausts; ferritic (iron/chromium only).
- Type 410—martensitic (high-strength iron/chromium). Wear resistant, but less corrosion resistant.
- Type 416— easy to machine due to additional sulfur
- Type 420—"Cutlery Grade" martensitic; similar to the Brearley's original "rustless steel". Excellent polishability.
- Type 430—decorative, e.g., for automotive trim; ferritic. Good formability, but with reduced temperature and corrosion resistance.
- Type 440—a higher grade of cutlery steel, with more carbon in it, which allows for much better edge retention when the steel is heat treated properly. It can be hardened to around Rockwell 58 hardness, making it one of the hardest stainless steels. Due to its toughness and relatively low cost, most display-only and replica swords or knives are made of 440 stainless. Also known as "razor blade steel". Available in four grades 440A, 440B, 440C, and the uncommon 440F (free machinable). 440A, having the least amount of carbon in it, is the most stain-resistant; 440C, having the most, is the strongest and is usually considered a more desirable choice in knifemaking than 440A except for diving or other salt-water applications.
- Type 446—For elevated temperature service
- 500 Series—heat resisting chromium alloys
- 600 Series—martensitic precipitation hardening alloys
- Type 630—most common PH stainless, better known as 17-4; 17% chromium, 4% nickel
Stainless steel finishes
Standard mill finishes can be applied to flat rolled stainless steel directly by the rollers and by mechanical abrasives. Steel is first rolled to size and thickness and then annealed to change the properties of the final material. Any oxidation that forms on the surface (scale) is removed by pickling, and the passivation layer is created on the surface. A final finish can then be applied to achieve the desired aesthetic appearance.
- No. 0 - Hot Rolled Annealed, thicker plates
- No. 1 - Hot rolled, annealed and passivated
- No, 2D - cold rolled, annealed, pickled and passivated
- No, 2B - same as above with additional pass through polished rollers
- No, 2BA - Bright Anealed (BA) same as above with highly polished rollers
- No. 3 - coarse abrasive finish applied mechanically
- No. 4 - brushed finish
- No. 6 - matte finish
- No. 7 - reflective finish
- No. 8 - mirror finish
- No. _ - bead blast finish
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