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Grade 34Cr4
European Standard Steel Grade 1.7033
Corresponding Standard EN 10083-3-2006
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 0.025 0.035 1.2
• Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat and for boron to have its effect on the hardenability. All reasonable precautions shall be taken to prevent the addition of such elements from scrap or other material used in the manufacture which affect the hardenability, mechanical properties and applicability.
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
3 Approximate Comparison Table
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SCr435
SCr435H 		34Cr4 34Cr4 1.7033
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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