41NiCrMo7-3-2 - ISO 4954-1-2024

Grade	41NiCrMo7-3-2
Corresponding Standard	ISO 4954-1-2024 Steels for cold heading and cold extruding - Technical delivery conditions - Part1: Non-alloy and alloy steels
Classification	Alloy Steel

41NiCrMo7-3-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.38	-	0.6	-	-	0.7	1.65	-	0.15
Maximum Value	0.44	0.3	0.9	0.025	0.025	0.9	2	0.25	0.3

41NiCrMo7-3-2 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	≤720	≥58
2≤d≤5	+AC+C+AC	≤710	≥60
5＜d≤40		≤700	≥60
2≤d≤5	+AC+C+AC+LC	≤750	≥58
5＜d≤40		≤740	≥58

①+AR=as hot-rolled；+AR or +PE=as hot-rolled or peeled；+AR+C=as hot-rolled+cold drawn；+AR+C+AC=as hot-rolled+cold drawn+spheroidized；+AR+C+AC+LC=as hot-rolled+cold drawn+spheroidized+skin passed；+AC= spheroidized ；+AC or +AC+PE=spheroidized or spheroidized+peeled；+AC+C=spheroidized +cold drawn；+FP=treated to ferrite-pearlite structure and hardness range；+AC+C+AC=spheroidized +cold drawn + spheroidized；+AC+C+AC+LC=spheroidized +cold drawn + spheroidized + skin passed

Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
41NiCrMo7-3-2	41NiCrMo7-3-2	1.6563

41NiCrMo7-3-2 Corresponding Standards(Same grade name, different standards)

1	EN 10263-4-2001
	41NiCrMo7-3-2 1.6563
2	EN 10269-2006
	41NiCrMo7-3-2 1.6563
3	EN 10297-1-2003
	41NiCrMo7-3-2 1.6563
4	NF EN 10269-1999
	41NiCrMo7-3-2 1.6563
5	DIN EN 10263-4-2018
	41NiCrMo 7-3-2 1.6563
6	EN 10263-4-2017
	41NiCrMo 7-3-2 1.6563
7	ISO 4954-2018
	41NiCrMo7-3-2
8	ISO 4954-1-2024
	41NiCrMo7-3-2

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