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

Location » Home » Grades > Tool Die Steels > M33

ASTM M33

Profile

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 660~748 σb/MPa
Yield Strength 553 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 213~349 -
HRC 30 -

Physical Properties

Thermal expansion 57-71 e-6/K
Thermal conductivity 35-47 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8028-3541 째C
Density 5058-0723 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

Hot keywords:M33
Previous: T11333
Next: T11334