Grade 41Cr4
Germany W-Nr. 1.7035
Corresponding Standard DIN 1654-4-1989
Classification Alloy Steel
41Cr4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.38 - 0.6 - - 0.9
Maximum Value 0.45 0.4 0.9 0.035 0.035 1.2
41Cr4 Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Impact Energy Absorption
KV2
J
Steel Spheroidizing Annealing (GKZ) or Spheroidizing Annealing + Peeling (GKZ+SH) ≤620 ≥58
Steel Cold drawing + Spheroidizing Annealing (K+GKZ) ≤600 ≥60
Steel Cold drawing + Spheroidizing annealing + Skinning (K+GKZ+K) ≤620 ≥60
d≤16 Quenching and Tempering 1000~1200 ≥800 ≥10 ≥30 KU: ≥25
KV: ≥30
16<d≤40 Quenching and Tempering 900~1100 ≥660 ≥12 ≥35 KU: ≥29
KV: ≥35
40<d≤100 Quenching and Tempering 800~950 ≥560 ≥14 ≥40 KU: ≥29
KV: ≥35
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
40Cr A20402 SCr440 SCr440
SCr440H
SCr440 5140 G51400 41Cr4 41Cr4 1.7035 42C4 41Cr4 1.7035 40Х 2245 530A40
530M40
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
40CrH A20405 SCr440H SCr440H SCr440H 5140H H51400 41Cr4H 41Cr4 1.7035 41Cr4 40Х 41Cr4
3 Approximate Comparison Table
China United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ML40Cr A20404 5140 G51400 41Cr4E
(C16)
41Cr4 1.7035 38C4
42C4
40Х 3/2
4 Approximate Comparison Table structural alloy steel
Japan International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
SCr440H 41Cr4 41Cr4 1.7035 42C4 41Cr4 1.7035 40KH
45KH
50
530M40

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