250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 250

Location » Home » Grades > Special Alloy > 250

AS 250

Profile

This page is mainly introduced the 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 250,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
250
  • Steel Garde:250
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 308~343 σb/MPa
Yield Strength 208 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 428~776 -
HRC 30 -

Physical Properties

Thermal expansion 23-89 e-6/K
Thermal conductivity 50-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2386-2409 째C
Density 0494-5789 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)
250 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:250
Previous: 200
Next: 250L15