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M3 Class1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3 Class1

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ASTM M3 Class1

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This page is mainly introduced the M3 Class1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3 Class1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M3 Class1

Steel Garde:M3 Class1
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Molybdenum series High-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	191～176	σb/MPa
Yield Strength	831	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	163～113	-
HRC	30	-

Physical Properties

Thermal expansion	13-27	e-6/K
Thermal conductivity	88-80	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9986-6631	째C
Density	5062-6305	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)
M3 Class1 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