Grade A217 Grade WC5
USA UNS J22000
Other Names
Corresponding Standard ASTM A217/A217M-2014
Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
Classification Cast Steel
A217 Grade WC5 Chemical Element Composition Content (%)
Component C Si Mn P ** S ** Cr Ni Cu * Mo W * More
Minimum Value 0.05 - 0.4 - - 0.5 0.6 - 0.9 - (Cu+W)≤0.6
Maximum Value 0.2 0.6 0.7 0.04 0.045 0.9 1 0.5 1.2 0.1
A217 Grade WC5 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
485~655 ≥275 ≥20 ≥35

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