ML35B A70354 - GB T 6478-2001

Grade	ML35B
China ISC	A70354
Corresponding Standard	GB T 6478-2001 Steels for cold heading and cold extruding
Classification	Alloy Steel

ML35B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	B	Al ^ⓐ
Minimum Value	0.32	-	0.5	-	-	-	-	-	0.0005	0.02
Maximum Value	0.39	0.4	0.8	0.035	0.035	0.2	0.2	0.2	0.0035	-

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.

ML35B 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 %
Steel	Annealing	≤570			≥62
Sample diameter d=25	Normalizing temperature 860~890°C, Quenching temperature 840~880°C water or oil cooling, Tempering temperature 550~660°C	≥650	≥500	≥14

Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM/AISI	ISO	EN
ML35B GB/T 6478-2015 GB/T 6478-2001	A70354	SWRCHB 234 JIS G3508-1	10B35 ASTM A29/A29M-12 ASTM A510/A510-13	CE35B ISO 4954-1993	38B2 EN 10263-4-2001

ML35B Corresponding Standards(Same grade name, different standards)

1	GB T 6478-2001
	ML35B A70354
2	GB /T 6478-2015
	ML35B A70354
3	GB /T 28906-2012
	ML35B A70354
4	GB /T 5953.1-2009
	ML35B

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