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Grade 20MnCr5
1.7147
Old Grade
Corresponding Standard NF EN 10084-2008
Surface hardened structural steel
Classification Alloy Steel
20MnCr5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.17 - 1.1 - - 1
Maximum Value 0.22 0.4 1.4 0.025 0.035 1.3
20MnCr5 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Steel Processed to a Certain Shearability (+S) ≤255
Steel Softening Annealing (+A) ≤217
Steel Processed to a specific hardness (+TH) 170~217
Steel Processed to Ferrite-Pearlite Structure (+FP) 152~201
Steel Normalizing (+N) 140~201
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
20CrMnH A22205 SMnC420H SMnC420H SMnC420H 5120H H51200 20MnCr5H 20MnCr5 1.7147 20MnCr5 18ХГ 20MnCr5
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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