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ML42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML42CrMo

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GBT ML42CrMo

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This page is mainly introduced the ML42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML42CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML42CrMo

Steel Garde:ML42CrMo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML42CrMoA	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	703～840	σb/MPa
Yield Strength	445	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	692～135	-
HRC	30	-

Physical Properties

Thermal expansion	29-25	e-6/K
Thermal conductivity	54-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6323-2061	째C
Density	6993-4384	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)
ML42CrMo 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