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Grade 34Cr4
Germany W-Nr. 1.7033
Corresponding Standard DIN 17200-1987
Classification Alloy Steel
34Cr4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.3 - 0.6 - - 0.9
Maximum Value 0.37 0.4 0.9 0.035 0.03 1.2
34Cr4 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
1 Approximate Comparison Table structural alloy steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
35Cr A20352 SCr435 SCr435
SCr435H 		SCr435 5135 G51350 34Cr4 34Cr4 1.7033 38C4 34Cr4 1.7033 35Х 530A36
2 Approximate Comparison Table structural alloy steel
Japan International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
SCr430H 34Cr4 34Cr4 32C4 34Cr4 1.7033 30KH
35KH 		530H32
530M32
34Cr4 Corresponding Standards(Same grade name, different standards)
1 ISO 683-18-1996
34Cr4
2 DIN 17200-1987
34Cr4 1.7033
3 EN 10083-3-2006
34Cr4 1.7033
4 EN 10263-4-2001
34Cr4 1.7033
5 EN 10250-3-1999
34Cr4 1.7033
6 DIN EN 10263-4-2018
34Cr4 1.7033
7 EN 10263-4-2017
34Cr4 1.7033
8 ISO 683-2-2016
34Cr4
9 ISO 683-18-2014
34Cr4
10 EN ISO 683-2-2018
34Cr4
11 ISO 4954-2018
34Cr4
12 NF EN 10083-3-2006
34Cr4 1.7033 (32C4)
13 ISO 4954-1-2024
34Cr4
14 DIN 1654-4-1989
34Cr4 1.7033

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