304 Stainless Steel
Austenitic · source context: ASTM A240/A240M
- AISI / ASTM
- 304
- UNS
- S30400
- EN
- 1.4301 (X5CrNi18-10)
- JIS
- SUS304
- GB
- 06Cr19Ni10
International grade cross-reference
Stainless Steel Grade Equivalents
Cross-reference the governed grade library across AISI or ASTM type names, UNS numbers, EN material numbers and names, JIS designations and GB designations. Every result links to its composition, properties, product forms and source context.
Grade cross-reference search
Cross-reference results
Showing 28 grades
Review grade datasheet
304L Stainless Steel
Austenitic (low carbon) · source context: ASTM A240/A240M
- AISI / ASTM
- 304L
- UNS
- S30403
- EN
- 1.4307 (X2CrNi18-9)
- JIS
- SUS304L
- GB
- 022Cr19Ni10
316 Stainless Steel
Austenitic (Mo-bearing) · source context: ASTM A240/A240M
- AISI / ASTM
- 316
- UNS
- S31600
- EN
- 1.4401 (X5CrNiMo17-12-2)
- JIS
- SUS316
- GB
- 06Cr17Ni12Mo2
316L Stainless Steel
Austenitic (low carbon, Mo-bearing) · source context: ASTM A240/A240M
- AISI / ASTM
- 316L
- UNS
- S31603
- EN
- 1.4404 (X2CrNiMo17-12-2)
- JIS
- SUS316L
- GB
- 022Cr17Ni12Mo2
201 Stainless Steel
Austenitic (Cr-Mn) · source context: ASTM A240/A240M
- AISI / ASTM
- 201
- UNS
- S20100
- EN
- 1.4372 (X12CrMnNiN17-7-5)
- JIS
- SUS201
- GB
- 12Cr17Mn6Ni5N
321 Stainless Steel
Austenitic (Ti-stabilized) · source context: ASTM A240/A240M
- AISI / ASTM
- 321
- UNS
- S32100
- EN
- 1.4541 (X6CrNiTi18-10)
- JIS
- SUS321
- GB
- 06Cr18Ni11Ti
310S Stainless Steel
Austenitic (heat-resistant) · source context: ASTM A240/A240M
- AISI / ASTM
- 310S
- UNS
- S31008
- EN
- 1.4845 (X8CrNi25-21)
- JIS
- SUS310S
- GB
- 06Cr25Ni20
410 Stainless Steel
Martensitic · source context: ASTM A240/A240M, A276
- AISI / ASTM
- 410
- UNS
- S41000
- EN
- 1.4006 (X12Cr13)
- JIS
- SUS410
- GB
- 12Cr13
430 Stainless Steel
Ferritic · source context: ASTM A240/A240M
- AISI / ASTM
- 430
- UNS
- S43000
- EN
- 1.4016 (X6Cr17)
- JIS
- SUS430
- GB
- 10Cr17
2205 Stainless Steel
Duplex (austenitic-ferritic) · source context: ASTM A240/A240M, A276, A790/A789 (when named)
- AISI / ASTM
- 2205
- UNS
- S32205
- EN
- 1.4462 (X2CrNiMoN22-5-3)
- JIS
- SUS329J3L
- GB
- 022Cr23Ni5Mo3N
202 Stainless Steel
Austenitic (Cr-Mn) · source context: ASTM A240/A240M
- AISI / ASTM
- 202
- UNS
- S20200
- EN
- 1.4373 (X12CrMnNiN18-9-5)
- JIS
- SUS202
- GB
- 12Cr18Mn9Ni5N
301 Stainless Steel
Austenitic (high work-hardening) · source context: ASTM A240/A240M, A666
- AISI / ASTM
- 301
- UNS
- S30100
- EN
- 1.4310 (X10CrNi18-8)
- JIS
- SUS301
- GB
- 12Cr17Ni7
309S Stainless Steel
Austenitic (heat-resisting) · source context: ASTM A240/A240M
- AISI / ASTM
- 309S
- UNS
- S30908
- EN
- 1.4833 (X12CrNi23-13)
- JIS
- SUS309S
- GB
- 06Cr23Ni13
316Ti Stainless Steel
Austenitic (Ti-stabilized) · source context: ASTM A240/A240M, EN 10088-2
- AISI / ASTM
- 316Ti
- UNS
- S31635
- EN
- 1.4571 (X6CrNiMoTi17-12-2)
- JIS
- SUS316Ti
- GB
- 06Cr17Ni12Mo2Ti
347 Stainless Steel
Austenitic (Nb-stabilized) · source context: ASTM A240/A240M
- AISI / ASTM
- 347
- UNS
- S34700
- EN
- 1.4550 (X6CrNiNb18-10)
- JIS
- SUS347
- GB
- 06Cr18Ni11Nb
904L Stainless Steel
Super-austenitic · source context: ASTM A240/A240M, B625
- AISI / ASTM
- 904L
- UNS
- N08904
- EN
- 1.4539 (X1NiCrMoCu25-20-5)
- JIS
- SUS890L
- GB
- 015Cr21Ni26Mo5Cu2
409L Stainless Steel
Ferritic (Ti-stabilized) · source context: ASTM A240/A240M
- AISI / ASTM
- 409L
- UNS
- S40910
- EN
- 1.4512 (X2CrTi12)
- JIS
- SUH409L
- GB
- 022Cr11Ti
420 Stainless Steel
Martensitic · source context: ASTM A240/A240M, A276
- AISI / ASTM
- 420
- UNS
- S42000
- EN
- 1.4021 / 1.4028 (X20Cr13 / X30Cr13)
- JIS
- SUS420J1 / SUS420J2
- GB
- 20Cr13 / 30Cr13
439 Stainless Steel
Ferritic (Ti-stabilized) · source context: ASTM A240/A240M
- AISI / ASTM
- 439
- UNS
- S43035
- EN
- 1.4510 (X3CrTi17)
- JIS
- SUS430LX
- GB
- 022Cr18Ti
441 Stainless Steel
Ferritic (dual-stabilized) · source context: EN 10088-2, ASTM A240/A240M
- AISI / ASTM
- 441
- UNS
- S43940
- EN
- 1.4509 (X2CrTiNb18)
- JIS
- Not listed
- GB
- 022Cr18NbTi
444 Stainless Steel
Ferritic (Mo-bearing) · source context: ASTM A240/A240M
- AISI / ASTM
- 444
- UNS
- S44400
- EN
- 1.4521 (X2CrMoTi18-2)
- JIS
- SUS444
- GB
- 019Cr19Mo2NbTi
2507 Stainless Steel
Super-duplex (austenitic-ferritic) · source context: ASTM A240/A240M, A789/A790
- AISI / ASTM
- 2507
- UNS
- S32750
- EN
- 1.4410 (X2CrNiMoN25-7-4)
- JIS
- Not listed
- GB
- 022Cr25Ni7Mo4N
303 Stainless Steel
Austenitic (free-machining) · source context: ASTM A582
- AISI / ASTM
- 303
- UNS
- S30300
- EN
- 1.4305 (X8CrNiS18-9)
- JIS
- SUS303
- GB
- Y12Cr18Ni9
317L Stainless Steel
Austenitic (high-Mo, low carbon) · source context: ASTM A240/A240M
- AISI / ASTM
- 317L
- UNS
- S31703
- EN
- 1.4438 (X2CrNiMo18-15-4)
- JIS
- SUS317L
- GB
- 022Cr19Ni13Mo3
254 SMO Stainless Steel
Super-austenitic (6Mo) · source context: ASTM A240/A240M
- AISI / ASTM
- 254 SMO
- UNS
- S31254
- EN
- 1.4547 (X1CrNiMoCuN20-18-7)
- JIS
- Not listed
- GB
- 015Cr20Ni18Mo6CuN
440C Stainless Steel
Martensitic (high-carbon) · source context: ASTM A276
- AISI / ASTM
- 440C
- UNS
- S44004
- EN
- 1.4125 (X105CrMo17)
- JIS
- SUS440C
- GB
- 102Cr17Mo
17-4 PH Stainless Steel
Precipitation hardening (martensitic) · source context: ASTM A564/A564M
- AISI / ASTM
- 17-4 PH
- UNS
- S17400
- EN
- 1.4542 (X5CrNiCuNb16-4)
- JIS
- SUS630
- GB
- 05Cr17Ni4Cu4Nb
2304 Stainless Steel
Duplex (lean) · source context: ASTM A240/A240M
- AISI / ASTM
- 2304
- UNS
- S32304
- EN
- 1.4362 (X2CrNiN23-4)
- JIS
- Not listed
- GB
- 022Cr23Ni4MoCuN
No governed grade matches this designation.
Include the requested system and complete designation in the RFQ for technical review.
How to use a cross-reference
Worked example: search 1.4404 and review the linked 316L datasheet, then compare chemistry, condition, dimensions, tests and project approval before quoting a substitution.
Designation records are displayed exactly as governed strings; no numerical conversion or automatic ranking is applied.
Worked designation review
Search one designation, open the linked grade datasheet and compare the ordered form, standard, condition and tests before sending a substitution request.
Substitution review
Fields that still govern
- Chemical limits and any supplementary restrictions
- Mechanical properties for product form, size and condition
- Governing product standard and edition
- Heat treatment, delivery condition and surface finish
- Dimensions, tolerances, testing and documentation
- Design code, end-user and project approval requirements
Grade equivalence questions
Can equivalent stainless steel grades be substituted automatically?
No. A cross-reference indicates a commonly used or compositionally similar designation, not automatic interchangeability. Confirm chemistry, mechanical properties, product standard, condition, dimensions, testing and project approval before substitution.
Is EN 1.4301 the same as 304 stainless steel?
EN 1.4301 and Type 304 are commonly cross-referenced, but their governing standards, permitted product forms and property requirements are not identical in every case. The purchase order must name the controlling product standard and edition.
Why can one stainless grade have several international designations?
AISI/ASTM type names, UNS numbers, EN material numbers and names, JIS designations and GB designations come from different standard systems. Similar chemistry does not remove differences in scope, condition, dimensions or acceptance criteria.
Source and substitution boundary
Source basis: AISI/ASTM type and UNS designation records; EN material numbers and names; JIS and GB designation records in the site grade library.
A cross-reference is not an automatic substitute. The governing product standard, edition, chemistry, properties, condition and approval control the order.
Technical content updated: 2026-08-02
Published by Tsingshan (Shandong) Iron & Steel Co., Ltd..Sources, update policy and technical limitations.
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