SEVA ALLOYS

Designations and equivalences of our alloys

BASE		IRON OR STAINLESS STEEL BASE				NICKEL BASE			COBALT BASE AND OTHERS
Designation SEVA		SGS-X13	SGS-R18-09	SGS-R25-20	SGS-X23-24	SGS-R26-52	SGS-30-55	SGS-75	Under request
Alloy type		Martensitic	Martensitic	Austenitic	Duplex	Superalloy	Superalloy	Superalloy
AFNOR designation		X 30 CR 13-M (NF A 35-059)	Z 25 CNS 18-09 -02-M (NF A 32-057)	Z 15 CNS 25-20-M (NF A 32-057)	X3CrNiMoN27-5-2	Z 45 NCW 45.25-M (NF A 32-057)	-	-
EN designation		GX 30 Cr 13 (NF EN 10283)	GX25CrNiSi18-9 (NF EN 10295)	X15CrNiSi25-21 (NF EN 10095)	-	G-NiCr28W (NF EN 10295)	GX70Ni-CrW55-30-7	-
DIN designation		1.4028	1.4825	1.4841	1.4460	2.4879	-	-
US designation		AISI 420	-	AISI 310	AISI 329	-	-	ASTM A494M grade CY5SnBiM
Areas of use		• Foodprocessing industry • Hydraulics • Other industries	• Glass industry • Cement works • Metallurgy • Petrochemical industry • Glass toolings	• Cement works • Metallurgy • Petrochemical • Glass industry • Hot forming toolings • Glass toolings	• Paper Industry • Petrochemical industry • Dyeing industry	• Industries • Cement works, • Petrochemical industry • Glass industry	• Glass industry • Aircraft industry • Heat treatment furnace • Cement works, • Petrochemical industry • Miscellaneous toolings	• Chemistry • Pharmacy • Food-processing industry • Nuclear
Maximum temperature of use		600°C	900°C	900°C	300°C	1150°C	1200°C	140°C
Tensile test at room temperature	Rp0,2	600 MPa	230 MPa	230 MPa	450 MPa	240 MPa	340 MPa	220 MPa
	Rm	800 MPa	450 MPa	550 MPa	650 Mpa	440 MPa	520 MPa	300 MPa
	A%	17	15	30	18	3	2	5
Download the technical sheet		More about the SGS-X13	More about the SGS-R18-09	More about the SGS-R25-20	More about the SGS-X23-24	More about the SGS-R26-52	More about the SGS-30-55	More about the SGS-75

*Other shades available under request

Download the alloys table

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