K403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K403

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GBT K403

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This page is mainly introduced the K403 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K403,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
K403
  • Steel Garde:K403
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:Age hardening type Nickel base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 349~833 σb/MPa
Yield Strength 342 σ 0.2 ≥/MPa
Elongation 84 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 137~937 -
HRC 30 -

Physical Properties

Thermal expansion 76-97 e-6/K
Thermal conductivity 00-68 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2860-6746 째C
Density 1653-0120 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)
K403 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

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