M33 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M33

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ASTM M33

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This page is mainly introduced the M33 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M33,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 0.85  0.92
Si 0.15  0.50
Mn 0.15  0.40
P   0.030
S   0.030
Cr 3.50  4.00
Mo 9.00  10.00
V 1.00  1.35
W 1.30  2.10
Co 7.75  8.75

Mechanical Properties

Tensile strength 830~774 σb/MPa
Yield Strength 376 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 614~986 -
HRC 30 -

Physical Properties

Thermal expansion 02-65 e-6/K
Thermal conductivity 41-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2215-1158 째C
Density 4833-2961 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)
M33 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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