ML35CrMo A30354 - GB T 6478-2001

Grade	ML35CrMo
China ISC	A30354
Corresponding Standard	GB T 6478-2001 Steels for cold heading and cold extruding
Classification	Alloy Steel

ML35CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^*	Cu ^*	Mo
Minimum Value	0.32	-	0.6	-	-	0.8	-	-	0.15
Maximum Value	0.4	0.3	0.9	0.035	0.035	1.1	0.2	0.2	0.25

①By agreement between the supplier and the purchaser, other grades of cold heading and cold extrusion steel may be supplied.
②Permissible deviations in the chemical composition of the steel shall comply with the relevant provisions of GB/T 222-1984.

ML35CrMo Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
Sample diameter d=25	Quenching temperature 830~870°C water or oil quenching, tempering temperature 500~600°C	≥980	≥835	≥12	≥45

1 Approximate Comparison Table Cold Heading Steel

China		United States		International Organization for Standardization	Germany		France
GB	ISC	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF
ML35CrMo	A30354	4135 A320ML7B	G41350	34CrMo4E (C31)	34CrMo4	1.7220	34CD4

2 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

3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		Japan	United States	International Organization for Standardization	European Standard
YB	GB	JIS	ASTM	ISO	EN
QML35CrMo	ML35CrMo	SCM435	4135	34CrMo4	34CrMo4

ML35CrMo Corresponding Standards(Same grade name, different standards)

1	GB T 6478-2001
	ML35CrMo A30354
2	GB /T 6478-2015
	ML35CrMo A30354
3	GB /T 28906-2012
	ML35CrMo A30354
4	GB /T 5953.1-2009
	ML35CrMo
5	Q/OHAB 113-2020
	ML35CrMo
6	GB /T 28906-2025
	ML35CrMo

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