23MnB5 - ISO 4954-2018

Grade	23MnB5
Corresponding Standard	ISO 4954-2018 Steels for cold heading and cold extruding
Classification	Alloy Steel

23MnB5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.2	-	1.1	-	-	-	-	0.0008
Maximum Value	0.26	0.3	1.4	0.025	0.025	0.3	0.25	0.005

23MnB5 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	≤640	≥55
5＜d≤40	+AC+C	≤640	≥55

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

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 Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN
SWRCHB620	23MnB5	23MnB5

23MnB5 Corresponding Standards(Same grade name, different standards)

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