41CrS4 - ISO 4954-1-2024

Grade	41CrS4
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

41CrS4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu
Minimum Value	0.38	-	0.6	-	0.02	0.9	-
Maximum Value	0.45	0.3	0.9	0.025	0.04	1.2	0.25

41CrS4 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	≤620	≥58
2≤d≤5	+AC+C+AC	≤610	≥60
5＜d≤40		≤600	≥60
2≤d≤5	+AC+C+AC+LC	≤650	≥58
5＜d≤40		≤640	≥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

1 Approximate Comparison Table

International Organization for Standardization	Germany		France	European Standard		Russia	Sweden
ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	SS
41CrS4	41CrS4	1.7039	42C4u	41CrS4	1.7039	40KH	2245

2 Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
41CrS4	41CrS4	1.7039

41CrS4 Corresponding Standards(Same grade name, different standards)

1	ISO 683-18-1996
	41CrS4
2	DIN 17200-1987
	41CrS4 1.7039
3	EN 10083-3-2006
	41CrS4 1.7039
4	EN 10263-4-2001
	41CrS4 1.7039
5	DIN EN 10263-4-2018
	41CrS4 1.7039
6	EN 10263-4-2017
	41CrS4 1.7039
7	ISO 683-2-2016
	41CrS4
8	ISO 683-18-2014
	41CrS4
9	EN ISO 683-2-2018
	41CrS4
10	ISO 4954-2018
	41CrS4
11	NF EN 10083-3-2006
	41CrS4 1.7039 (42C4U)
12	ISO 4954-1-2024
	41CrS4

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