Grade A732 Grade 31
Corresponding Standard ASTM A732/A732M-2020
Standard Specification for Castings, Investment, Carbon and Low-Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
Classification Alloy Steel
A732 Grade 31 Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Ni W B More
Minimum Value - 0.45 - - - - 24.5 9.5 7 0.005 Co:remainder
Maximum Value 2 0.55 1 1 0.04 0.04 26.5 11.5 8 0.015
A732 Grade 31 Mechanical Properties
Condition Test Temperature Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
as cast ≥380 ≥10

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!