38B2 - ISO 4954-2018

Grade	38B2
Corresponding Standard	ISO 4954-2018 Steels for Cold Heading and Cold Extruding
Classification	Carbon Steel

38B2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B
Minimum Value	0.35	-	0.6	-	-	-	-	0.0008
Maximum Value	0.4	0.3	0.9	0.025	0.025	0.3	0.25	0.005

38B2 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
5＜d≤40	+AC or +AC+PE	≤570	≥62
2＜d≤5	+AR+C+AC	≤560	≥64
5＜d≤40	+AR+C+AC	≤550	≥64
2＜d≤5	+AR+C+AC+LC	≤600	≥62
5＜d≤40	+AR+C+AC+LC	≤590	≥62
5＜d≤10	+AC+C	≤660	≥57
10＜d≤40	+AC+C	≤650	≥57

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
38B2	38B2	1.5515

2 Approximate Comparison Table Cold Heading Steel

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
ML38B	10B38	38B2	38B2

38B2 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"!