M47 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M47

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ASTM M47

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This page is mainly introduced the M47 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M47,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.05  1.15
Si 0.20  0.45
Mn 0.15  0.40
P   0.030
S   0.030
Cr 3.50  4.00
Mo 9.25  10.00
V 1.15  1.35
W 1.30  1.80
Co 4.75  5.25

Mechanical Properties

Tensile strength 383~534 σb/MPa
Yield Strength 495 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 278~983 -
HRC 30 -

Physical Properties

Thermal expansion 43-64 e-6/K
Thermal conductivity 26-96 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3255-3323 째C
Density 7833-4329 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)
M47 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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