Grade A27 Grade 70-40 [485-275]
USA UNS J02501
Corresponding Standard ASTM A27/A27M-2017
Standard Specification for Steel Castings, Carbon, for General Application
Classification Cast Steel
A27 Grade 70-40 [485-275] Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value - - - - -
Maximum Value 0.25 0.8 1.2 0.035 0.035
Note: For each reduction of 0.01 % carbon below the maximum specified, an increase of 0.04 % manganese above the maximum specified will be permitted to a maximum of 1.40 % for Grade 70~40 [485~275] and 1.00 % for the other grades.
A27 Grade 70-40 [485-275] Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
≥485 ≥275 ≥22 ≥30

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