56Sil7A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 56Sil7A

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STAS/SR 56Sil7A

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This page is mainly introduced the 56Sil7A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 56Sil7A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
56Sil7A
  • Steel Garde:56Sil7A
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 460~811 σb/MPa
Yield Strength 047 σ 0.2 ≥/MPa
Elongation 28 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 704~608 -
HRC 30 -

Physical Properties

Thermal expansion 03-38 e-6/K
Thermal conductivity 21-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6431-5774 째C
Density 3165-3533 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)
56Sil7A 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

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