Type440FSe chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Type440FSe

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UNS Type440FSe

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This page is mainly introduced the Type440FSe chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Type440FSe,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Type440FSe
  • Steel Garde:Type440FSe
  • Type:Special Alloy
  • Country:USA
  • Standard:UNS
  • Application:Martensitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 557~780 σb/MPa
Yield Strength 109 σ 0.2 ≥/MPa
Elongation 86 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 646~914 -
HRC 30 -

Physical Properties

Thermal expansion 92-62 e-6/K
Thermal conductivity 00-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7928-2149 째C
Density 4159-9466 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)
Type440FSe 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