U40208 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U40208

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GBT U40208

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This page is mainly introduced the U40208 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U40208,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U40208
  • Steel Garde:U40208
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 623~675 σb/MPa
Yield Strength 483 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 075~396 -
HRC 30 -

Physical Properties

Thermal expansion 24-00 e-6/K
Thermal conductivity 70-94 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3197-5876 째C
Density 1667-3802 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)
U40208 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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