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Grade GX40CrNiSi25-12
Germany W-Nr. 1.4837
Corresponding Standard DIN 17465-1993
Heat Resisting Steel Castings - Technical Delivery Conditions
Classification Cast Steel
GX40CrNiSi25-12 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value 0.3 1 - - - 24 11
Maximum Value 0.5 2.5 1.5 0.035 0.03 26 14
GX40CrNiSi25-12 Mechanical Properties
product Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Cast steel Casting State ≥440① ≥230 ≥7① -
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
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ZG40Cr25Ni12Si2 C53881 SCH 13 SCH 13X HRSC 13 HHtypeⅡ J93503 GX40CrNiSi25-12 GX40CrNiSi25-12 1.4837 GX40CrNiSi25-12 ≈40Х24Н12СЛ 309C30
2 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Germany European Standard Russia
GB W-Nr. EN Numerical Grade GOST
ZG35Cr26Ni12 1.4837 GX40CrNiSi25-12 1.4837 40KH24N12SL
3 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
Japan United States Germany Russia United Kingdom
JIS ASTM UNS DIN EN/DIN W-Nr. GOST BS EN/BS
SCH13A
SCH17 		HH J93503 G-X40CrNiSi25 21 1.4837 40Х24Н12Л 309C30
GX40CrNiSi25-12 Corresponding Standards(Same grade name, different standards)
1 EN 10295-2002
GX40CrNiSi25-12 1.4837
2 DIN 17465-1993
GX40CrNiSi25-12 1.4837

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