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Stainless Steel
Stainless steel, any one of a family of alloy steels usually containing 10 to 30 percent chromium. In conjunction with low carbon content, chromium imparts remarkable resistance to corrosion and heat. Other elements, such as nickel, molybdenum, titanium, aluminum, niobium, copper, nitrogen, sulfur, phosphorus, or selenium, may be added to increase corrosion resistance to specific environments, enhance oxidation resistance, and impart special characteristics.
Stainless Steel Products
Technical Properties of Stainless Steel
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo | Nitrogen (Max) | Cu/ Others |
| 301 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00 - 18.00 | 6.00 - 8.00 | - | 0.10 | - |
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 - 20.00 | 8.00- 10.50 | - | 0.10 | - |
| 304L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 - 20.00 | 8.00- 12.00 | - | 0.10 | - |
| 310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.00- 26.00 | 19.00 - 22.00 | - | - | - |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | 0.10 | - |
| 316L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | 0.10 | - |
| 317 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 - 20.00 | 11.00 - 14.00 | 3.00 - 4.00 | 0.10 | - |
| 317L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.00 - 20.00 | 11.00 - 15.00 | 3.00 - 4.00 | 0.10 | - |
| 321 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.00 - 19.00 | 9.00 - 12.00 | - | 0.10 | Ti5 ( C + N ) Min or 0.70 max |
| 347 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.00 - 19.00 | 9.00 - 13.00 | - | - | Cb= 10x ( C Min ) or 1.00 Max |
| 409 | 0.08 | 1.00 | 0.040 | 0.010 | 1.00 | 10.50 - 11.75 | 0.50 | - | - | Ti= 6x (C+ N ) Min or 0.70 Max |
| 409M | 0.03 | 0.81.2 | 0.030 | 0.030 | 0.40.75 | 11.00- 12.00 | 1.5 max. | - | - | Ti= 6x (C) Min or 0.70 Max |
| 410S | 0.08 | 1.00 | 0.040 | 0.030 | 1.00 | 11.50- 13.50 | 0.60 | - | - | - |
| 410 | 0.15 | 1.00 | 0.040 | 0.030 | 1.00 | 11.50- 13.50 | 0.75 | - | - | - |
| 420 | 0.35 | 0.50 | 0.035 | 0.015 | 0.50 | 12.00 - 13.00 | 0.20.3 | - | - | - |
| 430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 16.00 - 18.00 | 0.75 | - | - | - |
| Grade | Tensile Strength Mpa, (Min) |
Yield Strength Mpa, (Min) |
%Age Elongation in 50mm gauge length min |
Hardness (Max) | |
| BHN | Rb | ||||
| 301 | 515 | 205 | 40 | 217 | 95 |
| 304 | 515 | 205 | 40 | 201 | 92 |
| 304L | 485 | 170 | 40 | 201 | 92 |
| 310S | 515 | 205 | 40 | 217 | 95 |
| 316 | 515 | 205 | 40 | 217 | 95 |
| 316L | 485 | 170 | 40 | 217 | 95 |
| 317 | 515 | 205 | 35 | 217 | 95 |
| 317L | 515 | 205 | 40 | 217 | 95 |
| 321 | 515 | 205 | 40 | 217 | 95 |
| 347 | 515 | 205 | 40 | 201 | 92 |
| 409 | 380 | 170 | 20 | 179 | 88 |
| 409M | 430 | 275 | 20 | 187 | 90 |
| 410S | 415 | 205 | 22 | 183 | 89 |
| 410 | 450 | 205 | 20 | 217 | 89 |
| 420 | 700( max ) | - | 15 | 217 | 95 |
| 430 | 450 | 205 | 22 | 183 | 89 |
| AISI/SAE Grade | UNS | EN Steel Number | EN Steel Name | DIN | BS | UNI | JIS |
| (USA) | (USA) | (Europe) | (Europe) | (Germany) | (UK) | (Italy) | (Japan) |
| 301 | S30100 | 1.431 | X10CrNi18-8 | ||||
| 301LN | 1.4318 | X2CrNiN18-7 | |||||
| 303 | S30300 | 1.4305 | X8CrNiS18-9 | X10CrNiS18-9 | 303S 31 | X10CrNiS18-09 | SUS 303 |
| En58M | |||||||
| 304 | S30400 | 1.4301 | X2CrNi19-11 | X5CrNi18-9 | 304S 15 | X5CrNi18-10 | SUS 304 |
| X2CrNi18-10 | X5CrNi18-10 | 304S 16 | SUS 304-CSP | ||||
| XCrNi19-9 | 304S 18 | ||||||
| 304S 25 | |||||||
| En58E | |||||||
| 304L | S30403 | 1.4306 | X2CrNi19-11 | 304S 11 | SUS304L | ||
| 304LN | S30453 | 1.4311 | X2CrNiN18-10 | ||||
| 304H | S30409 | 1.4948 | X6CrNi18-11 | ||||
| 305 | S30500 | 1.4303 | X5CrNi18-12 | ||||
| 316 | S31600 | 1.4401 | X5CrNiMo17-12-2 | X5CrNiMo17 12 2 | 316S 29 | X5CrNiMo17 12 | SUS 316 |
| 1.4436 | X5CrNiMo18-14-3 | X5CrNiMo17 13 3 | 316S 31 | X5CrNiMo17 13 | SUS316TP | ||
| X5CrNiMo 19 11 | 316S 33 | X8CrNiMo17 13 | |||||
| X5CrNiMo 18 11 | En58J | ||||||
| 316L | S31603 | 1.4404 | X2CrNiMo17-12-2 | 316S 11 | SUS316L | ||
| 316LN | S31653 | 1.4406 | X2CrNiMoN17-12-2 | ||||
| 1.4429 | X2CrNiMoN17-13-3 | ||||||
| 316Ti | S31635 | 1.4571 | X6CrNiMoTi17-12 | 320S 33 | |||
| 317L | S31703 | 1.4438 | X2CrNiMo18-15-4 | ||||
| 321 | S32100 | 1.4541 | X6CrNiTi18-10 | 321S 31 | SUS321 | ||
| J94204 | 1.4848 | GX40CrNiSi25-20 | SEW 595 GX40CrNiSi25-20 | 310C40 | SCH22 | ||
| N08151 | 1.4859 | GX10NiCrSiNb32-20 | GX10NiCrSiNb32-20 | ||||
| 321H | S32109 | 1.4878 | X12CrNiTi18-9 | ||||
| X8CrNiTi18-10 | |||||||
| 347H | S34709 | 1.4906 | X7CrNiNb18-10 | ||||
| 409 | S40900 | 1.4512 | X6CrTi12 | SUH409 | |||
| 410 | S41000 | ||||||
| 430 | S43000 | 1.4016 | X6Cr17 | 430S 17 | SUS430 | ||
| 440A | S44002 | ||||||
| 440B | S44003 | 1.4112 | |||||
| 440C | S44004 | 1.4125 | X105CrMo17 | SUS440C | |||
| 430F | S44020 | 1.4104 | X14CrMoS17 | SUS430F | |||
| 431 | S43100 | 1.4057 | X17CrNi16-2 | X16CrNi16 | 431S 29 | SUS431 |
