1.4550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4550

Location » Home » Grades > Special Alloy > 1.4550

1.4550

Profile

This page is mainly introduced the 1.4550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4550,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4550
  • Steel Garde:1.4550
  • Type:Special Alloy
  • Country:UK
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 923~975 σb/MPa
Yield Strength 480 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 330~008 -
HRC 30 -

Physical Properties

Thermal expansion 78-24 e-6/K
Thermal conductivity 10-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3249-7692 째C
Density 3931-7433 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)
1.4550 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