GX40CrNiSi 25-20 1.4848 - DIN EN 10295-2003

Grade	GX40CrNiSi 25-20
Germany W-Nr.	1.4848
Corresponding Standard	DIN EN 10295-2003 Heat Resistant Steel Castings
Brand/Supplier	China -> SHAGANG GROUP
Classification	Cast Steel
Properties	Corrosion Resistance
Density	7.8 g/cm³

GX40CrNiSi 25-20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W ^*	V ^*	Nb ^*	Co ^*
Minimum Value	0.3	1	-	-	-	24	19	-	-	-	-	-	-
Maximum Value	0.5	2.5	2	0.04	0.03	27	22	0.25	0.5	0.6	0.12	0.6	1

GX40CrNiSi 25-20 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	≥450	≥220	≥8
Cast steel	700°C	100h (1000h) Rupture Strength σr 100(80)	Creep Strength for 1%-10000h 65
Cast steel	800°C	100h (1000h) Rupture Strength σr 75(50)	Creep Strength for 1%-10000h 36
Cast steel	900°C	100h (1000h) Rupture Strength σr 47(28)	Creep Strength for 1%-10000h 17
Cast steel	1000°C	100h (1000h) Rupture Strength σr 28(16)	Creep Strength for 1%-10000h 7
Cast steel	1100°C	100h (1000h) Rupture Strength σr 12(6)	Creep Strength for 1%-10000h 2.5

1 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

ZG40Cr25Ni20Si2

C53901

SCH 21

HRSC 21

HK30

J94203

GX40NiCrSi25-20

1.4848

Z40CN25.20M

≈15Х23Н18Л

310C40

2 Approximate Comparison Table Corrosion-Resistant Cast Steels

3 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys

GX40CrNiSi25-20 Corresponding Standards(Same grade name, different standards)

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