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 124~662 σb/MPa
Yield Strength 893 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 895~307 -
HRC 30 -

Physical Properties

Thermal expansion 01-96 e-6/K
Thermal conductivity 87-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0883-3094 째C
Density 8179-5410 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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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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