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M50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M50

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ASTM M50

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This page is mainly introduced the M50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M50,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M50

Steel Garde:M50
Type:Special Alloy
Country:USA
Standard:ASTM
Application:The middle of high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	451～640	σb/MPa
Yield Strength	532	σ 0.2 ≥/MPa
Elongation	54	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	969～242	-
HRC	30	-

Physical Properties

Thermal expansion	77-45	e-6/K
Thermal conductivity	58-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1534-1291	째C
Density	1600-2437	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)
M50 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