Grade 25Cr2MoV
China ISC A31252
Corresponding Standard GB /T 3077-2015
Alloy Structure Steels
Classification Alloy Steel
25Cr2MoV Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value 0.22 0.17 0.4 - - 1.5 - - 0.25 0.15
Maximum Value 0.29 0.37 0.7 0.03 0.03 1.8 0.3 0.3 0.35 0.3
25Cr2MoV Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
d=25 Quenching + Tempering ≥930 ≥785 ≥14 ≥55 ≤241 ≥63
Approximate Comparison Table Structural Alloy Steel
China Germany European Standard United Kingdom
YB DIN EN/DIN W-Nr. EN Numerical Grade BS EN/BS
25Cr2MoV 21CrMoV5-7 1.7709 21CrMoV5-7 1.7709 21CrMoV5-7
25Cr2MoV Corresponding Standards(Same grade name, different standards)

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