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Grade 25CrMo4
European Standard Steel Grade 1.7218
Corresponding Standard EN 10132-2021
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions
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 0.4 0.9 0.025 0.035 1.2 0.4 0.3
① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. All reasonable precautions shall be taken to prevent the addition, from scrap or other material used in manufacture, of such elements which affect the hardenability, mechanical properties and application.
25CrMo4 Mechanical Properties
Delivery condition* Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
annealed (+A) or annealed and skin passed(+LC) ≤580 ≤440 ≥19 HV
≤175
cold rolled(+CR) Agreed Upon at Time of Order Agreed Upon at Time of Order
quenched and tempered(+QT)** 990~1400 HV
305~435
• The elongation values in the table are for a gauge length of 80 mm.
• +A=annealed，+LC=annealed and skin passed，+CR=cold rolled，+QT=quenched and tempered
1 Approximate Comparison Table structural alloy steel
China Japan United States Germany France European Standard Russia Sweden
YB ISC JIS ASTM DIN EN/DIN W-Nr. L-Nr. NF EN/NF EN Numerical Grade GOST SS14
25CrMo A30252 SCM430 4130 25CrMo4 1.7218 1.7214 25CD4 25CrMo4 1.7218 30ХМ 2225
2 Approximate Comparison Table
China United States Germany France Russia United Kingdom
GB ISC ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ML30CrMo A30304 4130 G41300 ≈25CrMo4 1.7218 30CD4 30ХМА 9/0
3 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
4 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
5 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

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