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

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ASTM M3

Catalog

M3 Profile
M3 Chemical composition
M3 Mechanical Properties
M3 Physical Properties
M3 Heat treatment
M3 Size Availability
M3 Relevant products

Profile

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

Steel Garde:M3
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	1.00	1.10
Si	0.20	0.45
Mn	0.15	0.40
P		0.030
S		0.030
Cr	3.75	4.50
Mo	4.75	6.50
V	2.25	2.75
W	5.00	6.75
Co

Mechanical Properties

Tensile strength	149～505	σb/MPa
Yield Strength	554	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	903～795	-
HRC	30	-

Physical Properties

Thermal expansion	74-01	e-6/K
Thermal conductivity	97-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3010-8717	째C
Density	3941-6977	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 Tool Die Steels	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