T20843 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20843

Location » Home » Grades > Special Alloy > T20843

UNS T20843

Profile

This page is mainly introduced the T20843 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20843,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20843
  • Steel Garde:T20843
  • Type:Special Alloy
  • Country:USA
  • Standard:UNS
  • Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 374~556 σb/MPa
Yield Strength 809 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 550~155 -
HRC 30 -

Physical Properties

Thermal expansion 10-97 e-6/K
Thermal conductivity 73-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8413-5990 째C
Density 7359-9155 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)
T20843 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

Hot keywords:T20843
Previous: H43
Next: A2