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M46 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M46

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ASTM M46

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This page is mainly introduced the M46 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M46,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M46

Steel Garde:M46
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Molybdenum series High-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	686～485	σb/MPa
Yield Strength	849	σ 0.2 ≥/MPa
Elongation	89	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	887～963	-
HRC	30	-

Physical Properties

Thermal expansion	03-80	e-6/K
Thermal conductivity	64-09	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5118-7379	째C
Density	0008-3554	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)
M46 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