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Grade 41Cr4
Corresponding Standard ISO 683-2-2016
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
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 1000~1200 ≥800 ≥11 ≥30
Bar, flat material, forging; 16<d≤40 or 8<t≤20 Quenching and Tempering 900~1100 ≥660 ≥12 ≥35 ≥35
Bar, flat material, forging; 40<d≤100 or 20<t≤60 Quenching and Tempering 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
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
3 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 EN 10263-4-2001
41Cr4 1.7035
5 EN 10250-3-1999
41Cr4 1.7035
6 EN 10297-1-2003
41Cr4 1.7035
7 DIN EN 10263-4-2002
41Cr4 1.7035
8 DIN 17204-1990
41Cr4 1.7035
9 DIN EN 10263-4-2018
41Cr4 1.7035
10 EN 10263-4-2017
41Cr4 1.7035
11 ISO 683-2-2016
41Cr4
12 ISO 683-18-2014
41Cr4
13 EN ISO 683-2-2018
41Cr4
14 ISO 4954-2018
41Cr4
15 NF EN 10083-3-2006
41Cr4 1.7035 (42C4)
16 ISO 4954-1-2024
41Cr4
17 DIN 1654-4-1989
41Cr4 1.7035

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