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ML25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML25

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This page is mainly introduced the ML25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML25,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML25

Steel Garde:ML25
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML25	GBT	China
ML25Mn	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	640～042	σb/MPa
Yield Strength	248	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	391～475	-
HRC	30	-

Physical Properties

Thermal expansion	66-83	e-6/K
Thermal conductivity	26-72	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3278-0349	째C
Density	1740-8475	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)
ML25 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