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ML15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML15

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This page is mainly introduced the ML15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML15,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML15

Steel Garde:ML15
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML15Al	GBT	China
ML15Mn	GBT	China
ML15MnB⑤	GBT	China
ML15MnVB	GBT	China
ML15	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	450～577	σb/MPa
Yield Strength	184	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	333～744	-
HRC	30	-

Physical Properties

Thermal expansion	29-97	e-6/K
Thermal conductivity	66-12	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7258-1222	째C
Density	9049-6637	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)
ML15 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