40SiNiCr250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40SiNiCr250

STAS/SR 40SiNiCr250

Profile

This page is mainly introduced the 40SiNiCr250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40SiNiCr250,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40SiNiCr250
  • Steel Garde:40SiNiCr250
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 647~280 σb/MPa
Yield Strength 036 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 540~601 -
HRC 30 -

Physical Properties

Thermal expansion 67-63 e-6/K
Thermal conductivity 49-44 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3273-6554 째C
Density 3217-3146 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)
40SiNiCr250 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

Hot keywords:40SiNiCr250
Previous: 20VNiWMoCr120
Next: OL30