SM45A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM45A

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SM45A

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This page is mainly introduced the SM45A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM45A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM45 Plastic mould with Hot-rolled steel plate
  • Steel Garde:SM45A
  • Type:Special Alloy
  • Country:China
  • Application:Plastic mould with Hot-rolled steel plate

Cross Reference Table(Equivalent Materials):

Material Standard Country
SM45 China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 326~053 σb/MPa
Yield Strength 621 σ 0.2 ≥/MPa
Elongation 81 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 715~624 -
HRC 30 -

Physical Properties

Thermal expansion 88-54 e-6/K
Thermal conductivity 58-50 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9791-5367 째C
Density 4784-0331 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)
SM45A 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