Grade 34CrMo4
Corresponding Standard ISO 4954-2018
Steels for cold heading and cold extruding
Classification Alloy Steel
34CrMo4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu Mo
Minimum Value 0.3 - 0.6 - - 0.9 - 0.15
Maximum Value 0.37 0.3 0.9 0.025 0.025 1.2 0.25 0.3
34CrMo4 Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Reduction of Area
ψ
%
5<d≤40 +AC or +AC+PE ≤600 ≥60
2<d≤5 +AC+C+AC ≤590 ≥62
5<d≤40 +AC+C+AC ≤580 ≥62
2<d≤5 +AC+C+AC+LC ≤630 ≥60
5<d≤40 +AC+C+AC+LC ≤620 ≥60
1 Approximate Comparison Table structural alloy steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
35CrMo
35CrMoV
A30352
A31352
SCM435 SCM435
SCM435H
SCM435 4135 G41350 34CrMo4 34CrMo4 1.7220 35CD4 34CrMo4 1.7220 35XM
35ХМФ
2234 708A37
CDS13
2 Approximate Comparison Table structural alloy steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
35CrMo
ZG35CrMo
SCM435H 4135 34CrMo4 34CrMo4 34CD4
35CD4
34CrMo4 1.7220 35KHM
35KHML
2234 708A30
708M32
3 Approximate Comparison Table cast steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
ZG35CrMo
35CrMo
SCM435H 4135 34CrMo4 34CrMo4 34CD4
35CD4
34CrMo4 1.7220 35KHM
35KHML
2234 708A30
708M32
4 Approximate Comparison Table
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SCM435
SCM435H
34CrMo4 34CrMo4 1.7220

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