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M6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M6

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ASTM M6

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This page is mainly introduced the M6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M6,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:M6
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:High-Speed Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
M62	ASTM	USA
M61	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.75	0.85
Si	0.20	0.45
Mn	0.15	0.40
P		0.030
S		0.030
Cr	3.75	4.50
Mo	4.50	5.50
V	1.30	1.70
W	3.75	4.75
Co	11.00	13.00

Mechanical Properties

Tensile strength	766～106	σb/MPa
Yield Strength	838	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	533～394	-
HRC	30	-

Physical Properties

Thermal expansion	90-99	e-6/K
Thermal conductivity	62-56	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0454-0631	째C
Density	5990-8791	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)
M6 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