20MnB5 - ISO 4954-2018

Grade	20MnB5
Corresponding Standard	ISO 4954-2018 Steels for cold heading and cold extruding
Classification	Alloy Steel

20MnB5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.17	-	1.1	-	-	-	-	0.0008
Maximum Value	0.23	0.3	1.4	0.025	0.025	0.3	0.25	0.005

20MnB5 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
2＜d≤40	+AR+C+AC+LC	≤630	≥55
5＜d≤40	+AC+C	≤630	≥55

1 Approximate Comparison Table

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SWRCHB620	20MnB5 23MnB5 26MnB5 34MnB5	20MnB5 23MnB5 26MnB5 34MnB5	1.5530

2 Approximate Comparison Table

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN
SWRCHB620	20MnB5	20MnB5

20MnB5 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"!