M52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M52

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ASTM M52

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This page is mainly introduced the M52 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M52,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Bearing Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85  0.95
Si 0.20  0.60
Mn 0.15  0.45
P   0.030
S   0.030
Cr 3.50  4.30
Mo 4.00  4.90
V 1.65  2.25
W 0.75  1.50
Co  

Mechanical Properties

Tensile strength 160~475 σb/MPa
Yield Strength 566 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 873~457 -
HRC 30 -

Physical Properties

Thermal expansion 30-85 e-6/K
Thermal conductivity 55-64 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0074-1337 째C
Density 0363-4142 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)
M52 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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