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

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1.4550

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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 626~828 σb/MPa
Yield Strength 782 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 948~961 -
HRC 30 -

Physical Properties

Thermal expansion 10-77 e-6/K
Thermal conductivity 02-13 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1884-7444 째C
Density 4921-0744 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