37CrMo4 - ISO 4954-1-2024

Grade	37CrMo4
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

37CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.35	-	0.6	-	-	0.9	-	0.15
Maximum Value	0.4	0.3	0.9	0.025	0.025	1.2	0.25	0.3

37CrMo4 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	≥60
2≤d≤5	+AC+C+AC	≤610	≥62
5＜d≤40		≤600	≥62
2≤d≤5	+AC+C+AC+LC	≤650	≥60
5＜d≤40		≤640	≥60

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 Steel for Cold Heading and Cold Extrusion

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
37CrMo4	37CrMo4	1.7202

37CrMo4 Corresponding Standards(Same grade name, different standards)

1	EN 10263-4-2001
	37CrMo4 1.7202
2	DIN EN 10263-4-2018
	37CrMo4 1.7202
3	EN 10263-4-2017
	37CrMo4 1.7202
4	ISO 4954-2018
	37CrMo4
5	ISO 4954-1-2024
	37CrMo4

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