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M1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M1

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ASTM M1

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This page is mainly introduced the M1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M1,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:M1
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:High-Speed Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
M10	ASTM	USA
M10	ASTM	USA
M15	SAE	USA
X120Mn12, 1.3401, A128, X110Mn14	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.78	0.88
Si	0.20	0.50
Mn	0.15	0.40
P		0.030
S		0.030
Cr	3.50	4.00
Mo	8.20	9.20
V	1.00	1.35
W	1.40	2.10
Co

Mechanical Properties

Tensile strength	228～541	σb/MPa
Yield Strength	793	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	478～737	-
HRC	30	-

Physical Properties

Thermal expansion	85-87	e-6/K
Thermal conductivity	61-99	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2921-8726	째C
Density	2406-0285	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)
M1 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