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China Stainless Steel Suppliers: High-Quality Alloys from Trusted Factory - Exceptional Heat and Corrosion Resistance
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China Stainless Steel Suppliers: High-Quality Alloys from Trusted Factory - Exceptional Heat and Corrosion Resistance

Stainless steel, widely recognized for its exceptional heat and corrosion resistance, consists of a diverse range of approximately 200 alloys containing carbon percentages from 0.03% to 1.2%. This material is a popular choice among leading China suppliers and factories due to its remarkable durability and strength.


A key feature of stainless steel is its high chromium content, typically exceeding 10.5%. This substantial chromium presence significantly enhances the alloy's corrosion resistance, making it an optimal selection for both industrial and commercial applications.


When exposed to air, the chromium in stainless steel forms a passive layer of oxidation, which acts as a protective barrier against further corrosion, effectively rendering the alloy rustproof. This innovative mechanism ensures that stainless steel maintains its pristine appearance for extended periods, even under normal working conditions, making it a preferred choice for many businesses in China and beyond.

    Introduction
    Major categories Characteristics Applications
    • Austenitic stainless steel
    • Ferritic stainless steel
    • Martensitic stainless steel
    • Duplex stainless steel
    • Precipitation hardening stainless steel
    • High oxidation resistance
    • Biologically inert
    • Resistance to acids, bases and organic materials
    • Recyclability
    • Easy to work with
    • Cleanability
    • Aesthetic appeal
    • Food and catering
    • Chemicals and pharmaceuticals
    • Medical equipment manufacturing
    • Architecture and construction
    • Home appliances
    • Offshore and shipbuilding
    • Automotive manufacturing
    • Energy and industry
    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 (FAQ)
    What are the major categories of stainless steel?
    The major categories of stainless steel include Austenitic stainless steel, Ferritic stainless steel, Martensitic stainless steel, Duplex stainless steel, and Precipitation hardening stainless steel.
    What are the main characteristics of stainless steel?
    Stainless steel is characterized by high oxidation resistance, being biologically inert, resistance to acids, bases, and organic materials, recyclability, ease of workability, cleanability, and exceptional aesthetic appeal.
    Where is stainless steel commonly applied?
    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 applications.
    How do I find the US (ASTM/UNS) equivalent for Chinese GB standard 06Cr19Ni10?
    According to the standard comparison table, the Chinese GB standard 06Cr19Ni10 corresponds to the US ASTM/AISI grade 304, which has the UNS designation S30400.
    What is the European standard equivalent for SUS316L?
    The European BSEN standard equivalent for Japanese JIS SUS316L (equivalent to US 316L / UNS S31603) is 1.4404.
    What are some examples of Duplex and Ferritic stainless steel grades?
    Common Duplex grades include SUS329J1 and SUS329J3L (UNS S31803). Common Ferritic grades include SUS405 (405), SUS409 (409), SUS430 (430), and SUS444 (444).