U21202 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U21202

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GBT U21202

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This page is mainly introduced the U21202 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U21202,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U21202
  • Steel Garde:U21202
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 117~800 σb/MPa
Yield Strength 379 σ 0.2 ≥/MPa
Elongation 04 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 427~327 -
HRC 30 -

Physical Properties

Thermal expansion 99-34 e-6/K
Thermal conductivity 44-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2204-6327 째C
Density 4605-7910 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)
U21202 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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