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Grade 41Cr4
Corresponding Standard EN ISO 683-2-2018
Heat-Treatable Steels,Alloy Steels and Free-Cutting Steels--Part 2：Alloy Steels for Quenching and Tempering
Classification Alloy Steel
41Cr4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.38 0.1 0.6 - - 0.9 -
Maximum Value 0.45 0.4 0.9 0.025 0.035 1.2 0.4
41Cr4 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
Bar, flat material, forging; d≤16 or t≤8 Quenching and Tempering (+QT) 1000~1200 ≥800 ≥11 ≥30 - -
Bar, flat material, forging; 16<d≤40 or 8<t≤20 Quenching and Tempering (+QT) 900~1100 ≥660 ≥12 ≥35 - ≥35
Bar, flat material, forging; 40<d≤100 or 20<t≤60 Quenching and Tempering (+QT) 800~950 ≥560 ≥14 ≥40 - ≥35
Bars, semi-finished products Processed to improve shearability (+S) - - - - ≤255 -
Bars, flat products, forgings, semi-finished products, rebar Soft Annealing (+A) - - - - ≤241 -
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 Structural Alloy Steel
China Taiwan, China Japan South Korea United States France European Standard Russia
GB ISC CNS JIS KS ASTM/AISI UNS NF EN/NF EN GOST
45Cr A20452 SCr445 SCr445 SCr445 5145 G51450 45C4 41Cr4 45Х
3 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
4 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SCr440
SCr440H 		41Cr4 41Cr4 1.7035
41Cr4 Corresponding Standards(Same grade name, different standards)
1 ISO 683-18-1996
41Cr4
2 DIN 17200-1987
41Cr4 1.7035
3 EN 10083-3-2006
41Cr4 1.7035
4 ISO 683-1-1987
41Cr4
5 EN 10263-4-2001
41Cr4 1.7035
6 EN 10250-3-1999
41Cr4 1.7035
7 EN 10297-1-2003
41Cr4 1.7035
8 DIN EN 10263-4-2002
41Cr4 1.7035
9 DIN 17204-1990
41Cr4 1.7035
10 DIN EN 10263-4-2018
41Cr4 1.7035
11 EN 10263-4-2017
41Cr4 1.7035
12 ISO 683-2-2016
41Cr4
13 ISO 683-18-2014
41Cr4
14 EN ISO 683-2-2018
41Cr4
15 ISO 4954-2018
41Cr4
16 NF EN 10083-3-2006
41Cr4 1.7035 (42C4)
17 ISO 4954-1-2024
41Cr4
18 DIN 1654-4-1989
41Cr4 1.7035
19 JIS G 7105-2000
41Cr4

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