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China Stainless Steel Suppliers - High-Quality Alloys & Factory Direct Products for Maximum Durability and Corrosion Resistance
Introduction
| Major Categories | Characteristics | Applications |
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Standard Comparison
| Type | China | Japan | U.S.A | Europe | |
|---|---|---|---|---|---|
| GB | JIS | ASTM/AISI | UNS | BSEN | |
| Austenitic stainless steel | 2Cr17Mn6Ni5N | SUS201 | 201 | S20100 | 1.4372 |
| 12Cr18Mn9Ni5N | SUS202 | 202 | S20200 | 1.4373 | |
| 12Cr17Ni7 | SUS301 | 301 | S30100 | 1.4319 | |
| 06Cr19Ni10 | SUS304 | 304 | S30400 | 1.4301 | |
| 022Cr19Ni10 | SUS304L | 304L | S30403 | 1.4306 | |
| 06Cr19Ni10N | SUS304N1 | 304N | S30451 | 1.4315 | |
| 06Cr19Ni9NbN | SUS304N2 | XM21 | S30452 | — | |
| 022Cr19Ni10N | SUS304LN | 304LN | S30453 | — | |
| 10Cr18Ni12 | SUS305 | 305 | S30500 | 1.4303 | |
| 06Cr23Ni13 | SUS309S | 309S | S30908 | 1.4833 | |
| 06Cr25Ni20 | SUS310S | 310S | S31008 | 1.4845 | |
| 06Cr17Ni12Mo2 | SUS316 | 316 | S31600 | 1.4401 | |
| 06Cr17Ni12Mo2T | SUS316Ti | 316Ti | S31635 | 1.4571 | |
| 022Cr17Ni12Mo2 | SUS316L | 316L | S31603 | 1.4404 | |
| 06Cr17Ni12Mo2N | SUS316N | 316N | S31651 | — | |
| 022Cr17Ni13Mo2N | SUS316J1 | 316LN | S31653 | 1.4429 | |
| 06Cr18Ni12Mo2Cu2 | SUS316J1 | — | — | — | |
| 022Cr18Ni14Mo2Cu2 | SUS316J1L | — | — | — | |
| 06Cr19Ni13Mo3 | SUS317 | 317 | S31700 | — | |
| 022Cr19Ni13Mo3 | SUS317L | 317L | S31703 | 1.4438 | |
| 06Cr18Ni11Ti | SUS321 | 321 | S32100 | 1.4541 | |
| 06Cr18Ni11Nb | SUS347 | 347 | S34700 | 1.455 | |
| Duplex stainless steel | — | SUS329J1 | 329 | S32900 | 1.4477 |
| 022Cr19Ni5Mo3Si2N | SUS329J3L | — | S31803 | 1.4462 | |
| Ferritic stainless steel | 06Crl3A | SUS405 | 405 | S40500 | 1.4002 |
| 022Cr11Ti | SUS409 | 409 | S40900 | 1.4512 | |
| 022Cr12 | SUS410L | — | — | — | |
| 0Cr17 | SUS430 | 430 | S43000 | 1.4016 | |
| 10Cr17Mo | SUS434 | 434 | S43400 | 1.4113 | |
| 022Cr18NbTi | SUS430JIL | 441 | S43940 | 1.4509 | |
| 019Cr19Mo2NbTi | SUS444 | 444 | S44400 | 1.4521 | |
| Martensitic stainless steel | 12Cr12 | SUS403 | 403 | S40300 | — |
| 12Cr13 | SUS410 | 410 | S41000 | 1.4006 | |
| 20Cr13 | SUS42011 | 420 | S42000 | 14,021 | |
| 30Cr13 | SUS420J2 | — | — | 1.4028 | |
| 68Cr17 | SUS440A | 440A | S44002 | — | |
Application
Frequently Asked Questions
Q: What are the major categories of stainless steel?
The major categories of stainless steel are Austenitic, Ferritic, Martensitic, Duplex, and Precipitation hardening stainless steels.
Q: What are the key characteristics of stainless steel?
Stainless steel is known for its high oxidation resistance, biological inertness, resistance to acids, bases, and organic materials, recyclability, ease of workability, cleanability, and aesthetic appeal.
Q: What industries commonly use stainless steel?
It is widely used in food and catering, chemicals and pharmaceuticals, medical equipment manufacturing, architecture and construction, home appliances, offshore and shipbuilding, automotive manufacturing, and various energy and industrial sectors.
Q: How do the Chinese GB and Japanese JIS standards compare for 304 stainless steel?
For standard 304 stainless steel, the Chinese GB designation is 06Cr19Ni10, which corresponds to the Japanese JIS standard SUS304 and the U.S. ASTM/AISI standard 304.
Q: What is the European BSEN equivalent for SUS316L stainless steel?
Under the European BSEN standard, the equivalent for SUS316L (UNS S31603 / US 316L) is designated as 1.4404.
Q: What standard designations represent Duplex stainless steel?
Common duplex stainless steel designations include SUS329J1 (US 329 / UNS S32900 / BSEN 1.4477) and SUS329J3L (UNS S31803 / BSEN 1.4462).