ML15Al U40158 - GB T 6478-2001

Grade	ML15Al
China ISC	U40158
Corresponding Standard	GB T 6478-2001 Steels for cold heading and cold extruding
Classification	Carbon Steel

ML15Al Chemical Element Composition Content (%)

Component	C	Si ^®	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Al ^ⓐ
Minimum Value	0.13	-	0.3	-	-	-	-	-	0.02
Maximum Value	0.18	0.1	0.6	0.035	0.035	0.2	0.2	0.2	-

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.

ML15Al 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 %	Hardness HBW
Steel	Hot Rolling	≤530			≥50
Steel	Annealing	≤470			* ≥64
Sample diameter d=25	Heat Treatment	450~750	≥260	≥14		Hot Rolled Brinell Hardness HBS ≤143

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		Japan	United States	International Organization for Standardization	European Standard
GB	ISC	JIS	ASTM	ISO	EN	Numerical Grade
ML15Al	U40158	SWRCH15A	1015	CC15A	C15C	1.0234

ML15Al Corresponding Standards(Same grade name, different standards)

1	GB T 6478-2001
	ML15Al U40158
2	GB /T 6478-2015
	ML15Al U40158
3	Q/BQB 517-2018
	ML15Al
4	GB /T 28906-2012
	ML15Al U40158
5	GB /T 5953.2-2009
	ML15Al

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