GX40CrNiSiNb24-24 1.4855 - DIN EN 10295-2003

Grade	GX40CrNiSiNb24-24
Germany W-Nr.	1.4855
Corresponding Standard	DIN EN 10295-2003 Heat Resistant Steel Castings
Classification	Cast Steel
Density	8 g/cm³

GX40CrNiSiNb24-24 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W ^*	V ^*	Nb	Co ^*
Minimum Value	0.3	1	-	-	-	23	23	-	-	-	-	0.8	-
Maximum Value	0.5	2.5	2	0.04	0.03	25	25	0.25	0.5	0.6	0.12	1.8	1

GX40CrNiSiNb24-24 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	≥450	≥220	≥4
cast steel	700°C	100h (1000h) Rupture Strength σr 170(125)	Creep Strength for 1%-10000h 80
cast steel	800°C	100h (1000h) Rupture Strength σr 97(70)	Creep Strength for 1%-10000h 46
cast steel	900°C	100h (1000h) Rupture Strength σr 60(45)	Creep Strength for 1%-10000h 22
cast steel	1000°C	100h (1000h) Rupture Strength σr 32(23)	Creep Strength for 1%-10000h 7.5
cast steel	1100°C	100h Rupture Strength σr 10

New and Old Grade Replacement List

GX40CrNiSiNb24-24 Corresponding Standards(Same grade name, different standards)

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