ML04AL U40048 - GB T 6478-2001

Grade	ML04AL
China ISC	U40048
Corresponding Standard	GB T 6478-2001 Steels for cold heading and cold extruding
Classification	Carbon Steel

ML04AL Chemical Element Composition Content (%)

Component	C	Si ^®	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Al ^ⓐ
Minimum Value	-	-	0.2	-	-	-	-	-	0.02
Maximum Value	0.06	0.1	0.4	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.

ML04AL Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %
Steel	Hot Rolling	≤440	≥60

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		United States	International Organization for Standardization	European Standard
GB	ISC	ASTM	ISO	EN	Numerical Grade
ML04Al	U40048	1005	CC4A C4C	C4C	1.0303

ML04AL Corresponding Standards(Same grade name, different standards)

1	GB T 6478-2001
	ML04AL U40048
2	GB /T 6478-2015
	ML04Al U40048
3	GB /T 28906-2012
	ML04Al U40048
4	GB /T 5953.2-2009
	ML04Al
5	Q/OHAB 113-2020
	ML04Al
6	GB /T 28906-2025
	ML04Al U40048

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