37MnB5 1.5538 - DIN EN 10263-4-2018 - H2ABC

中文版

Grade	37MnB5
Germany W-Nr.	1.5538
Corresponding Standard	DIN EN 10263-4-2018 Steel rod, bars and wire for cold heading and cold extrusion Part 4: Technical delivery conditions for steels for quenching and tempering
Classification	Alloy Steel

37MnB5 Chemical Element Composition Content (%)

Component	C	Si ^ⓔ	Mn	P	S	Cr ^ⓕ	Cu	B
Minimum Value	0.35	-	1.15	-	-	-	-	0.0008
Maximum Value	0.4	0.3	1.45	0.025	0.025	0.3	0.25	0.005

37MnB5 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Bars, rods, wires; 5<d≤40	Spheroidizing or Spheroidizing and Peeling (+AC or +AC+PE)	≤620	≥62
Wire; 2<d≤5	Unheated, Cold Drawn, and Spheroidized (+U+C+AC)	≤610	≥64
Wire; 5<d≤40	Unheated, Cold Drawn, and Spheroidized (+U+C+AC)	≤600	≥64
Wire; 2<d≤5	Unheated, Cold Drawn, Spheroidized, and Quenched Rolling (+U+C+AC+LC)	≤650	≥62
Wire; 5<d≤40	Unheated, Cold Drawn, Spheroidized, and Quenched Rolling (+U+C+AC+LC)	≤640	≥62
Wire; 5<d≤40	Spheroidizing + Cold Drawn (+AC+C)	≤720	≥57

37MnB5 Corresponding Standards(Same grade name, different standards)

1	EN 10263-4-2001
	37MnB5 1.5538
2	Q/BQB 517-2018
	37MnB5
3	DIN EN 10263-4-2018
	37MnB5 1.5538
4	EN 10263-4-2017
	37MnB5 1.5538
5	ISO 4954-2018
	37MnB5
6	ISO 4954-1-2024
	37MnB5

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