Grade 25CrMo4
1.7218
Corresponding Standard NF EN 10269-1999
Classification Alloy Steel
Properties Quench Hardness
Density 7.85 g/cm3
25CrMo4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.22 - 0.6 - - 0.9 0.15
Maximum Value 0.29 0.4 0.9 0.035 0.035 1.2 0.3
25CrMo4 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
-* +S - - - - ≤255 -
-* +A - - - - ≤212 -
-* +AC ≤580 - - ≥59 - -
d≤100** +QT 600~750 ≥440 ≥18 ≥60 - ≥60
100<d≤150** +QT 600~750 ≥420 ≥18 ≥60 - ≥45

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