U20402 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20402

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GBT U20402

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This page is mainly introduced the U20402 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20402,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U20402
  • Steel Garde:U20402
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 528~112 σb/MPa
Yield Strength 847 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 226~329 -
HRC 30 -

Physical Properties

Thermal expansion 18-89 e-6/K
Thermal conductivity 12-23 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1032-1837 째C
Density 0009-9340 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)
U20402 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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