18CrNi20S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20S

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STAS/SR 18CrNi20S

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This page is mainly introduced the 18CrNi20S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNi20S
  • Steel Garde:18CrNi20S
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 054~533 σb/MPa
Yield Strength 442 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 351~307 -
HRC 30 -

Physical Properties

Thermal expansion 11-29 e-6/K
Thermal conductivity 17-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5421-9768 째C
Density 7772-3103 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)
18CrNi20S 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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