20MnCrS5 1.7149 - EN 10263-3-2017

Grade	20MnCrS5
European Standard Steel Grade	1.7149
Corresponding Standard	EN 10263-3-2017 Steel rod, bars and wire for cold heading and cold extrusion Part 3: Technical delivery conditions for steels for case hardening steels
Classification	Alloy Steel

20MnCrS5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu
Minimum Value	0.17	-	1.1	-	0.02	1	-
Maximum Value	0.22	0.3	1.4	0.025	0.04	1.3	0.25

20MnCrS5 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %	Hardness HBW
Bars; 5<d≤40	Processed to Ferrite-Pearlite Structure and Hardness Range (+FP)			152~201
Bars; 5<d≤40	Spheroidizing (+AC)	≤570	≥60
Bar, wire; 2<d≤5	Untreated, Cold Drawn, Spheroidizing Treatment (+U+C+AC)	≤570	≥62
Bar, wire; 5<d≤40	Untreated, Cold Drawn, Spheroidizing Treatment (+U+C+AC)	≤550	≥62
Bar, wire; 2<d≤5	Untreated, Cold Drawn, Spheroidizing Treatment, and Tempered Rolling (+U+C+AC+LC)	≤610	≥60
Bar, wire; 5<d≤40	Untreated, Cold Drawn, Spheroidizing Treatment, and Tempered Rolling (+U+C+AC+LC)	≤590	≥60
Bars, wire; 5<d≤10	Spheroidizing Treatment and Cold Drawing (+AC+C)	≤680	≥57
Bars, wire; 10<d≤40	Spheroidizing Treatment and Cold Drawing (+AC+C)	≤670	≥57

1 Approximate Comparison Table Structural Alloy Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
20MnCrS5	20MnCrS5	1.7149

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
20MnCrS5	20MnCrS5	1.7149

20MnCrS5 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!