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ML45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML45

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This page is mainly introduced the ML45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML45,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML45

Steel Garde:ML45
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML45	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	915～247	σb/MPa
Yield Strength	994	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	540～204	-
HRC	30	-

Physical Properties

Thermal expansion	53-22	e-6/K
Thermal conductivity	05-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1910-0498	째C
Density	1340-1479	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
ML45 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk