T20822 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20822

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UNS T20822

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This page is mainly introduced the T20822 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20822,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20822
  • Steel Garde:T20822
  • Type:Special Alloy
  • Country:USA
  • Standard:UNS
  • Application:Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
H23 ASTM USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 828~797 σb/MPa
Yield Strength 236 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 454~463 -
HRC 30 -

Physical Properties

Thermal expansion 87-54 e-6/K
Thermal conductivity 34-38 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5713-3810 째C
Density 8065-5014 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)
T20822 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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