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 324~257 σb/MPa
Yield Strength 908 σ 0.2 ≥/MPa
Elongation 80 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 070~998 -
HRC 30 -

Physical Properties

Thermal expansion 33-88 e-6/K
Thermal conductivity 86-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3223-1226 째C
Density 0500-5604 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