SM48 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM48

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SM48

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This page is mainly introduced the SM48 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM48,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM48
  • Steel Garde:SM48
  • Type:Special Alloy
  • Country:China
  • Application:Plastic mould with Hot-rolled steel plate

Cross Reference Table(Equivalent Materials):

Material Standard Country
SM50 China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 132~312 σb/MPa
Yield Strength 797 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 259~974 -
HRC 30 -

Physical Properties

Thermal expansion 38-13 e-6/K
Thermal conductivity 29-60 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8647-7419 째C
Density 5784-1361 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)
SM48 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