23MnB4 1.5535 - EN 10269-2013

Grade	23MnB4
European Standard Steel Grade	1.5535
Corresponding Standard	EN 10269-2013 Steels and Nickel Alloys for Fasteners with Specified Elevated and/or Low Temperature Properties
Classification	Alloy Steel
Density	7.85 g/cm³

23MnB4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	B	Al
Minimum Value	0.2	-	0.9	-	-	-	-	0.0008	0.02
Maximum Value	0.25	0.3	1.2	0.025	0.025	0.3	0.25	0.005	-

23MnB4 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
-*	+AC	≤520	-	-	≥64	-
d≤24**		800~950	≥640	≥14	≥52	≥40

1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
23 MnB4	23 MnB4	1.5535

23MnB4 Corresponding Standards(Same grade name, different standards)

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