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ML40Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML40Cr

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GBT ML40Cr

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This page is mainly introduced the ML40Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML40Cr,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML40Cr

Steel Garde:ML40Cr
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML40CrMoA	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	250～846	σb/MPa
Yield Strength	694	σ 0.2 ≥/MPa
Elongation	14	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	437～595	-
HRC	30	-

Physical Properties

Thermal expansion	49-31	e-6/K
Thermal conductivity	86-99	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9220-0044	째C
Density	5152-2863	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)
ML40Cr 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