7MnB8 1.5519 - DIN EN 10263-2-2017

Grade	7MnB8
Germany W-Nr.	1.5519
Corresponding Standard	DIN EN 10263-2-2017 Steel rod, bars and wire for cold heading and cold extrusion - Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working
Classification	Alloy Steel

7MnB8 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	V	B	Al ^*
Minimum Value	0.06	0.15	1.85	-	-	-	-	-	0.06	0.03	0.0015	0.02
Maximum Value	0.09	0.25	1.95	0.015	0.025	0.2	0.25	0.05	0.1	0.05	0.003	0.04

7MnB8 Mechanical Properties

conditon	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Coil Bar, Steel Bar; 5<d≤10	Hot Rolled or Untreated and Pickled (+U or +U+PE)	≥650	≥60
Coil, Steel Bar; 10<d≤40	Hot Rolled or Untreated and Pickled (+U or +U+PE)	≥600	≥55
Steel bars, steel wires; 5＜d≤40	Untreated and Cold Drawn (+U+C)	≥800

7MnB8 Corresponding Standards(Same grade name, different standards)

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