T20814 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20814

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UNS T20814

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This page is mainly introduced the T20814 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20814,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
T20814 UNS USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.40
Si 0.20  0.40
Mn 0.20  0.40
Cr   5.00
Mo  
V  
W   5.00

Mechanical Properties

Tensile strength 503~795 σb/MPa
Yield Strength 143 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 597~179 -
HRC 30 -

Physical Properties

Thermal expansion 83-89 e-6/K
Thermal conductivity 49-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0998-9122 째C
Density 8637-3510 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)
T20814 Tool Die Steels 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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