23B2 - ISO 4954-2018

Grade	23B2
Corresponding Standard	ISO 4954-2018 Steels for Cold Heading and Cold Extruding
Classification	Alloy Steel

23B2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.2	-	0.6	-	-	-	-	0.0008
Maximum Value	0.25	0.3	0.9	0.025	0.025	0.3	0.25	0.005

23B2 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	≤490	≥66
5＜d≤10	+AR+C	≤690	≥55
10＜d≤25	+AR+C	≤680	≥55
2＜d≤5	+AR+C+AC	≤480	≥68
5＜d≤25	+AR+C+AC	≤470	≥68
2＜d≤5	+AR+C+AC+LC	≤520	≥66
5＜d≤25	+AR+C+AC+LC	≤510	≥66
5＜d≤10	+AC+C	≤580	≥61
10＜d≤25	+AC+C	≤570	≥61

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
23B2	23B2	1.5508

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN
ML23B	SWRCHB223	23B2	23B2

23B2 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"!