GX40CrNiSi25-12 1.4837 - EN 10295-2002

Grade	GX40CrNiSi25-12
European Standard Steel Grade	1.4837
Corresponding Standard	EN 10295-2002 Heat resistant steel castings
Classification	Cast Steel
Density	7.8 g/cm³

GX40CrNiSi25-12 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W ^*	V ^*	Nb ^*	Co ^*
Minimum Value	0.3	1	-	-	-	24	11	-	-	-	-	-	-
Maximum Value	0.5	2.5	2	0.04	0.03	27	14	0.25	0.5	0.6	0.12	0.6	1

*The maximum content of the element is not specified

GX40CrNiSi25-12 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	≥6
cast steel	700°C	100h (1000h) Rupture Strength σr 100(80)	Creep Strength for 1%-10000h 50
cast steel	800°C	100h (1000h) Rupture Strength σr 70(40)	Creep Strength for 1%-10000h 26
cast steel	900°C	100h (1000h) Rupture Strength σr 45(25)	Creep Strength for 1%-10000h 13
cast steel	1000°C	100h (1000h) Rupture Strength σr 26(15)	Creep Strength for 1%-10000h 6

Approximate Comparison Table Heat-Resistant Cast Steels and Alloys

GX40CrNiSi25-12 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!