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

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

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