U40048 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U40048

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GBT U40048

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This page is mainly introduced the U40048 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U40048,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U40048
  • Steel Garde:U40048
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 712~982 σb/MPa
Yield Strength 758 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 643~858 -
HRC 30 -

Physical Properties

Thermal expansion 91-78 e-6/K
Thermal conductivity 88-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2843-6559 째C
Density 9931-1638 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)
U40048 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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