Stainless, Duplex And Nickel Base Pipes

Steel Grades

Classification	Grade	Basic chemical composition	Standard				Features / Applications
			UNS No.	ASTM	EN	JIS
Austenitic	303	18Cr-8Ni-S	S30300	A213, A269, A312, A376	1.431	SUS303	Free-cutting steel
Austenitic	304	18Cr-8Ni	S30400	A213, A269, A312, A376	1.43	SUS304	Basic steel type
Austenitic	304H	18Cr-8Ni-High C	S30409	A213, A269, A312, A376	1.495	SUS304H	Basic steel type
Austenitic	304L	18Cr-8Ni-Low C	S30403	A213, A269, A312, A376	1.431	SUS304L	Basic steel type
Austenitic	304LN	18Cr-8Ni-Low C-N	S30453	A213, A269, A312, A376	1.431	(SUS304LN)	Intergranular corrosion resistance Urea reactor
Austenitic	309	22Cr-12Ni	S30909	A213, A269, A312, A376	1.483	SUS309	Oxidation resistance Refuse incinerator plant
Austenitic	309S	22Cr-12Ni	S30908	A213, A269, A312, A376		SUS309S	Oxidation resistance
Austenitic	310	25Cr-20Ni	S31009	A213, A269, A312, A376	1.484	SUS310	Oxidation resistance
Austenitic	310S	25Cr-20Ni	S31008	A213, A269, A312, A376		SUS310S	Oxidation resistance Refuse incinerator plant
Austenitic	312L	20Cr-18Ni-6Mo-0.2N	S31254	A213, A269, A312, A376	1.455	SUS312L	Seawater resistance Seawater desalination plant
Austenitic	316	18Cr-12Ni-2Mo	S31600	A213, A269, A312, A376	1.44	SUS316	Corrosion resistance LNG plant
Austenitic	316H	18Cr-12Ni-2Mo-High C	S31609	A213, A269, A312, A376	1.492	SUS316H	Corrosion resistance LNG plant
Austenitic	316L	18Cr-12Ni-2Mo-Low C	S31603	A213, A269, A312, A376	1.44	SUS316L	Corrosion resistance LNG plant
Austenitic	316Ti	18Cr-12Ni-Mo-Ti	S31635	A213 TP316Ti	1.4571, 1.4573	SUS316Ti (JIS G3463)	Intergranular corrosion resistance
Austenitic	317	18Cr-12Ni-3Mo	S31700	A213, A269, A312, A376		SUS317	Pitting resistance Chemical tanker
Austenitic	317L	18Cr-12Ni-3Mo-Low C	S31703	A213, A269, A312, A376	1.444	SUS317L	Pitting resistance Chemical tanker
Austenitic	321	18Cr-9Ni-Ti	S32100	A213, A269, A312, A376	1.454	SUS321	High strength Chemical plant
Austenitic	321H	18Cr-9Ni-Ti-High C	S32109	A213, A269, A312, A376	1.494	SUS321H	High elevated temperature strength Chemical plant
Austenitic	347	18Cr-9Ni-Nb	S34700	A213, A269, A312, A376	1.455	SUS347	High strength Chemical plant
Austenitic	347H	18Cr-9Ni-Nb-High C	S34709	A213, A269, A312, A376	1.494	SUS347H	High elevated temperature strength
Duplex	329J3L	22Cr-5Ni-3Mo-0.15N	S31803		1.446	SUS329L3L (JIS G3463)	High corrosion resistance Petroleum refinery
Duplex	329J4L	25Cr-7Ni-3Mo-0.2N	S31260	A789		SUS329J4L (JIS G3463)	High corrosion resistance
Duplex	S31500	18.5Cr-5Ni-2.7Mo	S31500	A789			High corrosion resistance
Duplex	S32205	22.5Cr-6Ni-3Mo-0.2N	S32205	A789	1.446		High corrosion resistance
Duplex	S32750	25Cr-7Ni-4Mo-0.3N	S32750	A789	1.441		High corrosion resistance
Martensitic	405	13Cr-Al	S40500	A268 TP405	1.4	SUS405 (JIS G3463)	Low thermal expansion Automotive exhaust system Automotive exhaust system
Martensitic	410	13Cr	S41000	A213 TP444	1.401	SUS410 (JIS G3463)	Low thermal expansion Automotive exhaust system
Ferritic	430	18Cr		S43000 (ASTM A268 TP430)	1.4	SUS405 (JIS G3463)	Chlorine corrosion resistance Water heater
Ferritic	444	19Cr-2Mo-Ti/Nb	S44400	A213 TP444	1.452	SUS444 (JIS G3463)	Chlorine corrosion resistance Water heater
Ferritic	446	25Cr-N	S44600	A268 TP446-1			Stress corrosion resistance
High Nickel	800	20Cr-30Ni	N08800	B163	1.456	NCF800 (JIS G4904)	High corrosion resistance
High Nickel	800H	20Cr-30Ni-High C	N08810	B163	1.488	NCF800H (JIS G4904)	High strength & corrosion resistance
High Nickel	25-22-2 (TP310MoLN)	25Cr-22Ni-2Mo	S31050	A213 TP310MoLN	1.447		Intergranular corrosion resistance
High Nickel	904L	20Cr-25Ni-4.5Mo-Cu	N08904		1.454	SUS890L (JIS G3463)	High corrosion resistance Seawater desalination plant
High Nickel	28	27Cr-31Ni-3.5Mo-Cu	N08028	B668	1.456		High corrosion resistance
High Nickel	254SMO	20Cr-18Ni-6Mo-Cu-N	S31254	A312	1.455		High pitting resistance Seawater
High Nickel	20	20Cr-35Ni-2Mo-3Cu-Nb	N08020	B729	2.466		High corrosion resistance Petroleum refinery
High Nickel	825	20Cr-42Ni-3Mo-2Cu-Ti	N08825	B163	2.486	NCF825 (JIS G4904)	High corrosion resistance
Ni base	600	15Cr-8Fe-Ni	N06600	B163	2.482	NCF600 (JIS G4904)	Oxidation resistance pyrometer tube
Ni base	601	23Cr-1.4Al-Ni	N06601	B163	2.485		Oxidation resistance
Ni base	625	22Cr-9Mo-Ni	N06625	B163	2.486	NCF625 (JIS G4904)	High pitting resistance Seawater
Ni base	690	29Cr-9Fe-Ni	N06690	B163	2.464	NCF690 (JIS G4904)	High pitting resistance
Ni base	22	21Cr-13Mo-3W-Ni	N06022	B622	2.46	NW6022 (JIS H4552)	High acid resistance Chemical plant
Ni base	276	15.5Cr-16Mo-5Fe-Ni	N10276	B622	2.482	NW0276 (JIS H4552)	High acid resistance Caustic soda or hydrogen chloride
Ni base	200	Pure Ni	N02200	B163	2.407	NW2200 (JIS H4552)	High acid resistance Chemical plant
Ni base	201	Pure Ni-Low C	N02201	B163

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