Grade HPM75
Classification Special Alloy Steel
Properties Impact Resistance Good Weldability
HPM75 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo V Al
Minimum Value 0.65 - 14.5 - - 2 0.5 1.5 2.7
Maximum Value 0.75 0.8 16 0.04 0.03 2.5 0.8 2 3.3
HPM75 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
As Original Condition 1305 1110 11 28 HRC
42
Hardening Treatment HRC
35~45

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