Stainless Steel
Stainless steel is a versatile and durable alloy renowned for its
exceptional corrosion resistance and strength, making it a cornerstone material
in various industries, particularly the steel industry. Composed primarily of
iron, with chromium as its key alloying element, stainless steel gains its
unique properties through the formation of a passive oxide layer on its surface.
This oxide layer, primarily consisting of chromium oxide, acts as a shield,
protecting the underlying metal from rust, stains, and corrosion, even in harsh
environments.
Moreover, stainless steel exhibits excellent mechanical
properties, including high tensile strength and temperature resistance, making
it suitable for a wide range of applications, from kitchen utensils and
appliances to architectural structures and industrial equipment. Its aesthetic
appeal, low maintenance requirements, and recyclability further contribute to
its widespread use across diverse sectors. In essence, stainless steel
epitomizes the fusion of strength, longevity, and aesthetic appeal, making it an
indispensable material in the modern steel industry and beyond.
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ASTM A403 / A182 / A312 / A213 / A240
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Buttweld Pipe Fittings, Forged Fittings, Flanges, Pipes, Tubes, Round Bar, Sheets, Fasteners, Gaskets
Stainless Steel products
Buttweld Fitting
Forged Fitting
Flanges
Pipes
Tube
GENERAL INFORMATION
| 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 |
| 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 |
