Grade A471 Class 6
Corresponding Standard ASTM A471/A471M-2019(R2024)
Standard Specification for Vacuum-Treated Alloy Steel Forgings for Turbine Rotor Disks and Wheels
Classification Alloy Steel
A471 Class 6 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo V Al
Minimum Value - - - - - 0.75 2 0.2 0.05 -
Maximum Value 0.4 0.1 0.7 0.012 0.015 2 4 0.7 - 0.015
① 0.10 % max unless an alternative value, not in excess of 0.35 %. is specified in the purchase order.
② Sb:To be reported for information only.
A471 Class 6 Mechanical Properties
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Impact Energy Absorption
KV2
J
≥965 895~1035 ≥15 ≥43 ≥54

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