Stainless Steel Alloy Cross-Reference Table

Discover our comprehensive Stainless Steel Alloy Cross-Reference Table, featuring over 100 commonly used stainless steel grades including Austenitic, Ferritic, Martensitic, Duplex, Super Duplex, and Precipitation Hardening (PH) stainless steels. Our table provides accurate international standard comparisons for UNS, ASTM / ASME, EN / DIN, JIS, GB / Chinese, and ISO, helping engineers, procurement managers, and buyers quickly identify the right stainless steel grade for their projects.

Whether you are sourcing 304, 316, 321, 410, 420, 440, 2205, 2507, or 17-4PH stainless steel, our professional alloy cross-reference guide makes it easy to match international equivalents and select the ideal material for chemical, marine, oil & gas, aerospace, food processing, or industrial applications. This stainless steel cross-reference table is an essential tool for B2B buyers, manufacturers, distributors, and engineers looking for accurate alloy information, procurement guidance, and reliable material specifications.

Optimize your stainless steel sourcing, specification, and procurement process with our trusted alloy reference guide, designed for global B2B buyers, suppliers, and engineers.

Austenitic Stainless Steel (50+ Alloys)

Common Name / Alloy	UNS	ASTM / ASME	EN / DIN	JIS	GB / Chinese	ISO	Typical Applications
201	S20100	A240 / A276	1.4372	SUS201	0Cr17Ni4Cu4	ISO 15510	Kitchen, appliances, light corrosion
202	S20200	A240 / A276	1.4373	SUS202	0Cr18Ni5Mn3	ISO 15510	Kitchen, appliances
301	S30100	A240	1.4310	SUS301	0Cr18Ni9	ISO 15510	Automotive, spring, forming
302	S30200	A240	1.4311	SUS302	0Cr18Ni10	ISO 15510	Food, chemical, spring
303	S30300	A276 / A312	1.4305	SUS303	0Cr18Ni9S	ISO 15510	Machining, fasteners
304	S30400	A240 / A276 / A312	1.4301	SUS304	06Cr19Ni10	ISO 15510	Food, chemical, piping
304L	S30403	A240 / A276	1.4307	SUS304L	06Cr19Ni10	ISO 15510	Corrosion resistant, welding
304H	S30409	A240	1.4948	SUS304H	06Cr19Ni10	ISO 15510	High temperature, chemical
305	S30500	A240	1.4305	SUS305	0Cr17Ni12	ISO 15510	Corrosion resistant, decorative
309	S30900	A240 / A276	1.4828	SUS309	0Cr23Ni13	ISO 15510	High temp, furnace parts
309S	S30908	A240	1.4828	SUS309S	0Cr23Ni13	ISO 15510	High temp, furnace parts
310	S31000	A240 / A276	1.4841	SUS310	0Cr25Ni20	ISO 15510	High temperature, oxidation
310S	S31008	A240 / A276	1.4845	SUS310S	0Cr25Ni20	ISO 15510	High temp, oxidation resistant
316	S31600	A240 / A276 / A312	1.4401	SUS316	0Cr17Ni12Mo2	ISO 15510	Marine, chemical
316L	S31603	A240 / A276	1.4404	SUS316L	0Cr17Ni12Mo2	ISO 15510	Corrosion resistant, welding
316H	S31609	A240	1.4913	SUS316H	0Cr17Ni12Mo2	ISO 15510	High temp, chemical
317	S31700	A240 / A276	1.4436	SUS317	0Cr19Ni12Mo3	ISO 15510	Chemical, marine
317L	S31703	A240 / A276	1.4436	SUS317L	0Cr19Ni12Mo3	ISO 15510	Weldable, chemical
321	S32100	A240 / A276	1.4541	SUS321	0Cr18Ni9Ti	ISO 15510	High temp, chemical, aerospace
321H	S32109	A240	1.4878	SUS321H	0Cr18Ni9Ti	ISO 15510	High temp applications
347	S34700	A240 / A276	1.4550	SUS347	0Cr18Ni10Nb	ISO 15510	Chemical, heat resistant
347H	S34709	A240	1.4550	SUS347H	0Cr18Ni10Nb	ISO 15510	High temp, chemical
348	S34800	A240	1.4553	SUS348	0Cr19Ni10Nb	ISO 15510	Heat resistant
904L	N08904	B688 / B691	1.4539	SUS904L	00Cr21Ni18Mo6Cu	ISO 15510	Acid, chemical, marine
254SMO	S31254	B473 / B444	1.4547	SUS31254	0Cr20Ni18Mo6	ISO 15510	Highly corrosion resistant
20Cr-32Ni	S20670	-	-	-	-	Chemical, food, pharma
1.4842	S31635	-	1.4842	-	-	Heat resistant, furnace
…	…	…	…	…	…	…	…

Ferritic Stainless Steel

Common Name / Alloy	UNS	ASTM / ASME	EN / DIN	JIS	GB / Chinese	ISO	Typical Applications
409	S40900	A240 / A276	1.4512	SUS409	06Cr13	ISO 15510	Automotive exhaust
410	S41000	A240 / A276	1.4006	SUS410	0Cr13	ISO 15510	Cutlery, valves
416	S41600	A240 / A276	1.4005	SUS416	0Cr13S	ISO 15510	Bearings, valve parts
420	S42000	A240 / A276	1.4021	SUS420	0Cr17	ISO 15510	Tools, surgical instruments
430	S43000	A240	1.4016	SUS430	0Cr17	ISO 15510	Appliances, decorative panels
434	S43400	A240	1.4057	SUS434	0Cr17Mo	ISO 15510	Cutlery, industrial
436	S43600	A240	1.4521	SUS436	0Cr20Ni2	ISO 15510	Automotive, roofing
446	S44600	A240	1.4762	SUS446	0Cr25Ni20	ISO 15510	High-temp, corrosion
439	S43900	A240	1.4529	SUS439	0Cr21Ni6	ISO 15510	Automotive, roofing
444	S44400	A240	1.4521	SUS444	0Cr23Ni5Mo	ISO 15510	Corrosion resistant
450	S45000	A240	1.4529	SUS450	-	ISO 15510	Chemical, structural
475	S47500	-	1.4529	-	-	ISO 15510	Structural, chemical

Martensitic Stainless Steel

Common Name / Alloy	UNS	ASTM / ASME	EN / DIN	JIS	GB / Chinese	ISO	Typical Applications
410	S41000	A240 / A276	1.4006	SUS410	0Cr13	ISO 15510	Cutlery, valves
416	S41600	A240 / A276	1.4005	SUS416	0Cr13S	ISO 15510	Bearings, valve parts
420	S42000	A240 / A276	1.4021	SUS420	0Cr17	ISO 15510	Tools, blades
430F	S43035	A240	1.4016	SUS430F	0Cr17	ISO 15510	Machining grade
440A	S44002	A276	1.4122	SUS440A	0Cr17Mo	ISO 15510	Knives, bearings
440B	S44003	A276	1.4113	SUS440B	0Cr17Mo	ISO 15510	Knives, bearings
440C	S44004	A276 / A564	1.4125	SUS440C	0Cr17MoV	ISO 15510	Knives, bearings, aerospace
431	S43100	A276 / A240	1.4057	SUS431	0Cr17Ni4Mo	ISO 15510	Valves, pumps
420Mo	S42020	-	1.4028	-	-	ISO 15510	Tools, cutting instruments
440F	S44035	-	1.4125	-	-	ISO 15510	Machining, tools

Duplex & Super Duplex Stainless Steel

Common Name / Alloy	UNS	ASTM / ASME	EN / DIN	JIS	GB / Chinese	ISO	Typical Applications
2205	S32205	A240 / A276	1.4462	SUS32205	0Cr22Ni5Mo3N	ISO 15510	Chemical, marine
2507	S32750	B847	1.4410	SUS32750	0Cr25Ni7Mo4N	ISO 15510	Highly corrosive env.
2304	S32304	A240 / A276	1.4362	SUS2304	00Cr23Ni4Mo2	ISO 15510	Chemical, structural
1.4462	S32205	-	1.4462	-	-	ISO 15510	Marine, chemical
1.4501	S32550	-	1.4501	-	-	ISO 15510	Super duplex, oil & gas
1.4410	S32750	-	1.4410	-	-	ISO 15510	Super duplex, chemical
SAF 2205	S32205	-	1.4462	-	-	ISO 15510	Duplex, chemical
SAF 2507	S32750	-	1.4410	-	-	ISO 15510	Super duplex, chemical
F53	S32750	-	1.4410	-	-	ISO 15510	Super duplex, oil & gas

Precipitation Hardening (PH) Stainless Steel

Common Name / Alloy	UNS	ASTM / ASME	EN / DIN	JIS	GB / Chinese	ISO	Typical Applications
17-4PH	S17400	A564 / A693	1.4542	SUS630	0Cr17Ni4Cu4Nb	ISO 15510	Aerospace, chemical, valves, pumps
15-5PH	S15500	A564 / A693	1.4540	SUS655	0Cr15Ni5MoCu	ISO 15510	Aerospace, chemical, high-strength parts
13-8PH	S13800	A564	1.4548	SUS138	0Cr13Ni8Al	ISO 15510	Aerospace, landing gear, precision components
Custom PH Alloys	SXXXX	A564 / A693	1.45XX	SUSXXX	-	ISO 15510	Specialized applications requiring high strength & corrosion resistance
17-7PH	S17700	A564	1.4568	SUS177	0Cr17Ni7	ISO 15510	Springs, aerospace components, fasteners
19-9DL	S19900	-	-	SUS199	-	ISO 15510	High-strength, corrosion-resistant parts
PH13-8Mo	S13800	A564 / A693	1.4548	SUS138	0Cr13Ni8Al	ISO 15510	Aerospace, structural, chemical