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Grade A351 CF8C
USA UNS J92710
Corresponding Standard ASTM A351/A351M-2018
Standard Specification for Castings, Austenitic, for Pressure-Containing Parts
Classification Cast Steel
Properties Corrosion Resistance
A351 CF8C Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo More
Minimum Value - - - - - 18 9 - Cb(Nb):8C~1
Maximum Value 0.08 2 1.5 0.04 0.04 21 12 0.5
A351 CF8C Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
≥485 ≥208 ≥30
1 Approximate Comparison Table Cast Steel
China United States International Organization for Standardization
GB UNS ISO Numerical Grade
ZG07Cr19Ni11Nb J92710 GX5CrNiNb19-11 1.4552
2 Approximate Comparison Table Corrosion-Resistant Cast Steels
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
ZG08Cr19Ni10Nb C53047 SCS 21 SCS 21X SSC 21 CF8C J92710 GX6CrNiNb19-10 GX5CrNiNb19-11 1.4552 Z6CNNb18.10M 10Х18Н11БЛ GX5CrNiNb19-11
3 Approximate Comparison Table Heat-Resistant Cast Steels and Alloys
China Japan United States Germany France Russia United Kingdom
GB JIS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ZG0Cr18Ni9Ti SCS21 CF8C J92710 G-X5CrNiNb18 9 1.4552 Z4CNNb19.10M 08Х18Н9Т 347C17

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