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

Location » Home » Grades > Special Alloy > U20402

GBT U20402

Profile

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 390~644 σb/MPa
Yield Strength 421 σ 0.2 ≥/MPa
Elongation 92 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 522~960 -
HRC 30 -

Physical Properties

Thermal expansion 68-17 e-6/K
Thermal conductivity 52-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8304-7004 째C
Density 5347-6346 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

Hot keywords:U20402
Previous: U20352
Next: U20452