Grade 36CrNiMo4
Corresponding Standard ISO 683-2-2016
Alloy Steels for Quenching and Tempering
Classification Alloy Steel
36CrNiMo4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.32 0.1 0.5 - - 0.9 0.9 - 0.15
Maximum Value 0.4 0.4 0.8 0.025 0.035 1.2 1.2 0.4 0.3
36CrNiMo4 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Bar, flat material, forging; d≤16 or t≤8 Quenching and Tempering 1100~1300 ≥900 ≥10
Bar, flat material, forging; 16<d≤40 or 8<t≤20 Quenching and Tempering 1000~1200 ≥800 ≥11
Bar, flat material, forging; 40<d≤100 or 20<t≤60 Quenching and Tempering 900~1100 ≥700 ≥12
Bars, flat products, forgings; 100<d≤160 or 60<t≤100 Quenching and Tempering 800~950 ≥600 ≥13
Bars, Flats, Forgings; 160<d≤250 or 100<t≤160 Quenching and Tempering 750~900 ≥550 ≥14
Bars, flat products, forgings, semi-finished products, rebar Soft Annealing (+A) ≤248
1 Approximate Comparison Table Alloy Steel for Quenching and Tempering
China International Organization for Standardization
GB ISO
40CrNiMo 36CrNiMo4
2 Approximate Comparison Table Structural Alloy Steel
Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
SCNM439 Gr.9840 36CrNiMo4 36CrNiMo4 40NCD3 36CrNiMo4 1.6511 40KHN2MA 817A37
817M37

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