Grade 20Mn5
European Standard Steel Grade 1.1133
Corresponding Standard EN 10269-2013
Steels and Nickel Alloys for Fasteners with Specified Elevated and/or Low Temperature Properties
Classification Carbon Steel
Properties Quench Hardness
Density 7.85 g/cm3
20Mn5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Al More
Minimum Value 0.17 - 1 - - - - - 0.02 Cr+Mo+Ni ≤ 0.63
Maximum Value 0.23 0.4 1.5 0.03 0.035 0.4 0.4 0.1 -
20Mn5 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
%
Impact Energy Absorption
KV2
J
d≤60 +N 500~650 ≥320 ≥22 ≥55 ≥55
60<d≤150 +N 500~650 ≥300 ≥20 ≥55 ≥55
Approximate Comparison Table High-Quality Carbon Structural Steel
China France European Standard Russia
GB NF EN/NF EN Numerical Grade GOST
10Mn2 20M5 20Mn5 1.1133 20G
20GSL
20Mn5 Corresponding Standards(Same grade name, different standards)

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