GX50NiCrCo20-20-20 1.4874 - DIN EN 10295-2003

Grade	GX50NiCrCo20-20-20
Germany W-Nr.	1.4874
Corresponding Standard	DIN EN 10295-2003 Heat Resistant Steel Castings
Classification	Cast Steel
Density	8 g/cm³

GX50NiCrCo20-20-20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W	V ^*	Nb	Co
Minimum Value	0.35	-	-	-	-	19	18	-	2.5	2	-	0.75	18.5
Maximum Value	0.65	1	2	0.04	0.03	22	22	0.25	3	3	0.12	1.25	22

GX50NiCrCo20-20-20 Mechanical Properties

condition	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
cast steel	Room Temperature	≥420	≥320	≥6
cast steel	800°C	100h (1000h) Rupture Strength σr 135(100)
cast steel	900°C	100h (1000h) Rupture Strength σr 80(60)	Creep Strength for 1%-10000h 27
cast steel	1000°C	1000h Rupture Strength σr 32	Creep Strength for 1%-10000h 17

GX50NiCrCo20-20-20 Corresponding Standards(Same grade name, different standards)

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