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Grade 20MnCr5
Corresponding Standard ISO 4954-1-2024
Steels for cold heading and cold extruding - Technical delivery conditions - Part1: Non-alloy and alloy steels
Classification Alloy Steel
20MnCr5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu
Minimum Value 0.17 - 1.1 - - 1 -
Maximum Value 0.22 0.3 1.4 0.025 0.035 1.3 0.25
20MnCr5 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Reduction of Area
ψ
% 		Hardness
HBW
5＜d≤40 +AC ≤570 ≥60
5＜d≤40 +FP HB: 152~201
2≤d≤5 +AR+C+AC ≤570 ≥62
5＜d≤40 ≤550 ≥62
2≤d≤5 +AR+C+AC+LC ≤610 ≥60
5＜d≤40 ≤590 ≥60
5＜d≤10 +AC+C ≤680 ≥57
10＜d≤40 ≤670 ≥57
①+AR=as hot-rolled；+AR or +PE=as hot-rolled or peeled；+AR+C=as hot-rolled+cold drawn；+AR+C+AC=as hot-rolled+cold drawn+spheroidized；+AR+C+AC+LC=as hot-rolled+cold drawn+spheroidized+skin passed；+AC= spheroidized ；+AC or +AC+PE=spheroidized or spheroidized+peeled；+AC+C=spheroidized +cold drawn；+FP=treated to ferrite-pearlite structure and hardness range；+AC+C+AC=spheroidized +cold drawn + spheroidized；+AC+C+AC+LC=spheroidized +cold drawn + spheroidized + skin passed
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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