4135 - ASTM A519/A519M-2024

Grade	4135
Corresponding Standard	ASTM A519/A519M-2024 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Classification	Alloy Steel

4135 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^*	Cu ^*	Mo
Minimum Value	0.32	0.15	0.65	-	-	0.8	-	-	0.15
Maximum Value	0.39	0.35	0.95	0.04	0.04	1.1	0.25	0.35	0.25

1 Approximate Comparison Table Alloy Steel for Quenching and Tempering

United States	International Organization for Standardization	Germany		France	European Standard
ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade
4135	34CrMoS4	34CrMoS4	1.7226	34CD4u	34CrMoS4	1.7226

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	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
35CrMo ZG35CrMo	SCM435H	4135	34CrMo4	34CrMo4	34CD4 35CD4	34CrMo4	1.7220	35KHM 35KHML	2234	708A30 708M32

3 Approximate Comparison Table Cast Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
ZG35CrMo 35CrMo	SCM435H	4135	34CrMo4	34CrMo4	34CD4 35CD4	34CrMo4	1.7220	35KHM 35KHML	2234	708A30 708M32

4 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	United States	International Organization for Standardization	Germany
GB	JIS	ASTM	ISO	DIN EN/DIN
ML35CrMo	SCM435	4135	34CrMo4E	34CrMo4

4135 Corresponding Standards(Same grade name, different standards)

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