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Grade 20MnCr5
Corresponding Standard ISO 683-11-2012
Case-hardening steels
Classification Alloy Steel
20MnCr5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.17 0.15 1.1 - - 1 -
Maximum Value 0.22 0.4 1.4 0.025 0.035 1.3 0.4
1 Approximate Comparison Table Structural Alloy Steel
China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia
GB ISC JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
20CrMn
20CrMnH 		A22202 SMnC420 SMnC420 5120 G51200 20MnCr5 20MnCr5 1.7147 20MC5 20MnCr5 1.7147 20ХГ
2 Approximate Comparison Table Structural Alloy Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia
GB JIS SAE ISO W-Nr. NF EN/NF EN Numerical Grade GOST
20CrMn
20CrMnTi
20MnCr 		SMnC420H 5120 20MnCr5 20MnCr5 20MC5 20MnCr5 1.7147 18KHG
20MnCr5 Corresponding Standards(Same grade name, different standards)
1 DIN 17210-1986
20MnCr5 1.7147
2 ISO 683-18-1996
20MnCr5
3 EN 10084-1998
20MnCr5 1.7147
4 ISO 683-11-1987
20MnCr5 20MnCr5H 20MnCr5HH 20MnCr5HL
5 DIN 17230-1980
(20MnCr5) 19MnCr5 1.3523 (1.7147)
6 DIN EN ISO 683-3-2019
20MnCr5
7 ISO 683-3-2019
20MnCr5
8 DIN EN 10084-2008
20MnCr5 1.7147
9 ISO 683-11-2012
20MnCr5
10 ISO 683-18-2014
20MnCr5
11 UNI 8550-1984
20MnCr5
12 NF EN 10084-2008
20MnCr5 1.7147 (20MC5)
13 ISO 4954-1-2024
20MnCr5

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