18CrNi20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20

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STAS/SR 18CrNi20

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This page is mainly introduced the 18CrNi20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNi20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNi20
  • Steel Garde:18CrNi20
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
18CrNi20S STAS/SR Romania
18CrNi20X STAS/SR Romania
18CrNi20XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 813~196 σb/MPa
Yield Strength 085 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 106~125 -
HRC 30 -

Physical Properties

Thermal expansion 09-17 e-6/K
Thermal conductivity 95-84 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0226-8788 째C
Density 5157-8499 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)
18CrNi20 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