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 165~432 σb/MPa
Yield Strength 278 σ 0.2 ≥/MPa
Elongation 94 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 362~945 -
HRC 30 -

Physical Properties

Thermal expansion 38-30 e-6/K
Thermal conductivity 15-03 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0639-4034 째C
Density 5042-0877 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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