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Home Material BS 3100-1991
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Grade 310C40
Corresponding Standard BS 3100-1991
Specification for Steel castings for general engineering purposes
Classification Cast Steel
Properties Corrosion Resistance
310C40 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.3 - - - - 24 19 -
Maximum Value 0.5 1.5 2 0.04 0.04 27 22 1.5
310C40 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
%
As cast ≥450 ≥7
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

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