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Grade GX40CrNiSi25-20
Germany W-Nr. 1.4848
Corresponding Standard DIN 17465-1993
Heat resisting steel castings - Technical delivery conditions
Classification Cast Steel
GX40CrNiSi25-20 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value 0.3 1 - - - 24 19
Maximum Value 0.5 2.5 1.5 0.035 0.03 26 21
GX40CrNiSi25-20 Mechanical Properties
product Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Cast steel Casting State ≥440① ≥230 ≥6①
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
ZG40Cr25Ni20Si2 C53901 SCH 21 SCH 21 HRSC 21 HK30 J94203 GX40NiCrSi25-20 GX40NiCrSi25-20 1.4848 Z40CN25.20M ≈15Х23Н18Л 310C40
2 Approximate Comparison Table Corrosion-Resistant Cast Steels
China Japan United States Germany United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. BS EN/BS
ZG4Cr25Ni20Si2 SCH22 HK40 G-X40CrNiSi2520 1.4848 310C40
3 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Japan United States Germany United Kingdom
GB JIS ASTM UNS DIN EN/DIN W-Nr. BS EN/BS
ZG4Cr25Ni20Si2 SCH22 HK
HK-40 		J94224
J94204 		G-X40CrNiSi25 20 1.4848 310C40
310C45
GX40CrNiSi25-20 Corresponding Standards(Same grade name, different standards)
1 EN 10295-2002
GX40CrNiSi 25-20 1.4848
2 DIN 17465-1993
GX40CrNiSi25-20 1.4848

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