M44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M44

Location » Home » Grades > Special Alloy > M44

ASTM M44

Profile

This page is mainly introduced the M44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M44,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M44
  • Steel Garde:M44
  • Type:Special Alloy
  • Country:USA
  • Standard:ASTM
  • Application:Molybdenum series High-speed tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCM440H CNS China
SCM445H CNS China
SNCM447 CNS China
SCM440 CNS China
SCM445 CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 304~044 σb/MPa
Yield Strength 054 σ 0.2 ≥/MPa
Elongation 02 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 066~526 -
HRC 30 -

Physical Properties

Thermal expansion 26-23 e-6/K
Thermal conductivity 45-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8881-2352 째C
Density 2397-7735 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)
M44 Special Alloy 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