Grade 34CrS4
Germany W-Nr. 1.7037
Corresponding Standard DIN 17200-1987
Classification Alloy Steel
34CrS4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.3 - 0.6 - 0.02 0.9
Maximum Value 0.37 0.4 0.9 0.035 0.035 1.2
34CrS4 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
All Sizes Shearable condition (C) ≤255
All Sizes Softening Annealing (G) ≤223
d≤16 Quenching and Tempering (V) 900~1100 ≥700 ≥11 ≥35 ISO-V
≥35
16<d≤40 Quenching and Tempering (V) 800~950 ≥590 ≥14 ≥40 ≥40
40<d≤100 Quenching and Tempering (V) 700~850 ≥460 ≥15 ≥45 ≥40
Approximate Comparison Table
International Organization for Standardization Germany France European Standard
ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
34CrS4 34CrS4 1.7037 32C4u 34CrS4 1.7037

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