12CrMo4 - ISO 4954-1-2024

Grade	12CrMo4
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

12CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.1	-	0.6	-	-	0.9	-	0.15
Maximum Value	0.15	0.3	0.9	0.025	0.025	1.2	0.25	0.25

12CrMo4 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %	Hardness HBW
5＜d≤40	+AC	≤500	≥62
5＜d≤40	+FP			HB: 135~185
2≤d≤5	+AR+C+AC	≤500	-
5＜d≤40		≤480	≥64
5＜d≤10	+AR+C+AC+LC	≤520	≥62
10＜d≤40		≤520	≥62

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
12CrMo4	12CrMo4	1.7201

12CrMo4 Corresponding Standards(Same grade name, different standards)

1	EN 10263-3-2001
	12CrMo4 1.7201
2	DIN EN 10263-3-2018
	12CrMo4 1.7201
3	EN 10263-3-2017
	12CrMo4 1.7201
4	ISO 4954-2018
	12CrMo4
5	ISO 4954-1-2024
	12CrMo4

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!