25CrMo4 - ISO 4954-1-2024

Grade	25CrMo4
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

25CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.22	-	0.6	-	-	0.9	-	0.15
Maximum Value	0.29	0.3	0.9	0.025	0.025	1.2	0.25	0.3

25CrMo4 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	≤580	≥60
2≤d≤5	+AC+C+AC	≤570	≥62
5＜d≤40		≤560	≥62
2≤d≤5	+AC+C+AC+LC	≤610	≥60
5＜d≤40		≤600	≥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

1 Approximate Comparison Table

China		Japan	International Organization for Standardization	European Standard
GB	ISC	JIS	ISO	EN	Numerical Grade
30CrMo	A30302	SCM425 SCM425H	25CrMo4	25CrMo4	1.7218

2 Approximate Comparison Table structural alloy steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
30CrMo	SCM420 SCM430	4130	25CrMo4	25CrMo4	25CD4	25CrMo4	1.7218	20KHM 30KHM 30KHMA	2225	708A25 708M25 CFS10

3 Approximate Comparison Table

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SCM425 SCM425H	25CrMo4	25CrMo4	1.7218

25CrMo4 Corresponding Standards(Same grade name, different standards)

1	ISO 683-18-1996
	25CrMo4
2	DIN 17200-1987
	25CrMo4 1.7218
3	EN 10083-3-2006
	25CrMo4 1.7218
4	ISO 683-1-1987
	25CrMo4 25CrMo4H 25CrMo4HH 25CrMo4HL
5	EN 10263-4-2001
	25CrMo4 1.7218
6	EN 10216-2-2007
	25CrMo4 1.7218
7	EN 10250-3-1999
	25CrMo4 1.7218
8	EN 10269-2006
	25CrMo4 1.7218
9	EN 10297-1-2003
	25CrMo4 1.7218
10	EN 10305-1-2010
	25CrMo4 1.7218
11	DIN EN 10263-4-2002
	25CrMo4 1.7218
12	EN 10269-2013
	25CrMo4 1.7218
13	DIN 17204-1990
	25CrMo4 1.7218
14	NF EN 10269-1999
	25CrMo4 1.7218
15	DIN EN 10263-4-2018
	25CrMo4 1.7218
16	EN 10263-4-2017
	25CrMo4 1.7218
17	DIN EN 10269-2014
	25CrMo4 1.7218
18	ISO 683-2-2016
	25CrMo4
19	ISO 683-18-2014
	25CrMo4
20	EN ISO 683-2-2018
	25CrMo4
21	ISO 4954-2018
	25CrMo4
22	EN 10132-2021
	25CrMo4 1.7218
23	NF EN 10083-3-2006
	25CrMo4 1.7218 (25CD4)
24	NF EN 10216-2-2007
	25CrMo4 1.7218
25	ISO 4954-1-2024
	25CrMo4
26	DIN 1654-4-1989
	25CrMo4 1.7218

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