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

Cross Reference Table(Equivalent Materials):

Material Standard Country
M62 ASTM USA
M61 SAE USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
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 302~159 σb/MPa
Yield Strength 272 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 744~351 -
HRC 30 -

Physical Properties

Thermal expansion 83-49 e-6/K
Thermal conductivity 64-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8659-0051 째C
Density 7289-3954 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

Technical specification/standard for download

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