Grade 34CrMo4
Germany W-Nr. 1.7220
Corresponding Standard DIN 17200-1987
Classification Alloy Steel
34CrMo4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.3 - 0.6 - - 0.9 0.15
Maximum Value 0.37 0.4 0.9 0.035 0.03 1.2 0.3
34CrMo4 Mechanical Properties
condition 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
Steel; All Sizes Shearable condition (C) ≤255
Steel; All Sizes Softening Annealing (G) ≤223
Steel; d≤16 Quenching and Tempering (V) 1000~1200 ≥800 ≥11 ≥45 ISO-V
≥35
Steel; 16<d≤40 Quenching and Tempering (V) 900~1100 ≥650 ≥12 ≥50 ≥40
Steel; 40<d≤100 Quenching and Tempering (V) 800~950 ≥550 ≥14 ≥55 ≥45
Steel; 100<d≤160 Quenching and Tempering (V) 750~900 ≥500 ≥15 ≥55 ≥45
Steel; 160<d≤250 Quenching and Tempering (V) 700~850 ≥450 ≥15 ≥60 ≥45
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
China United States International Organization for Standardization Germany France
GB ISC ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF
ML35CrMo A30354 4135
A320ML7B
G41350 34CrMo4E
(C31)
34CrMo4 1.7220 34CD4
3 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
4 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
5 Approximate Comparison Table cast steel
China Germany European Standard
GB DIN EN/DIN W-Nr. EN Numerical Grade
ZG42CrMo GS-34CrMo4
GS-42CrMo4
1.7220 G34CrMo4 1.7230
6 Approximate Comparison Table cast steel
China Japan United States Germany Russia
GB JIS UNS DIN EN/DIN W-Nr. GOST
ZG35CrMo SCCrM3 J13048 GS-34CrMo4 1.7220 35ХМЛ
7 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany
GB JIS ASTM ISO DIN EN/DIN
ML35CrMo SCM435 4135 34CrMo4E 34CrMo4

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