23MnB3 - ISO 4954-2018

Grade	23MnB3
Corresponding Standard	ISO 4954-2018 Steels for Cold Heading and Cold Extruding
Classification	Alloy Steel

23MnB3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.21	-	0.8	-	-	0.25	-	0.0008
Maximum Value	0.25	0.15	1	0.015	0.015	0.35	0.25	0.005

23MnB3 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
5＜d≤25	+AR or +PE	≤600	≥60
5＜d≤25	+AC or +AC+PE	≤520	≥64
5＜d≤10	+AR+C	≤700	≥55
10＜d≤25	+AR+C	≤690	≥55
2＜d≤5	+AR+C+AC	≤510	≥66
5＜d≤25	+AR+C+AC	≤500	≥66
2＜d≤5	+AR+C+AC+LC	≤550	≥64
5＜d≤25	+AR+C+AC+LC	≤540	≥64
5＜d≤10	+AC+C	≤620	≥59
10＜d≤25	+AC+C	≤610	≥59

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
23 MnB3	23 MnB3	1.5507

23MnB3 Corresponding Standards(Same grade name, different standards)

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