T20810 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20810

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UNS T20810

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This page is mainly introduced the T20810 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20810,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
T20810 UNS USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35  0.45
Si 0.80  1.20
Mn 0.25  0.70
P   0.030
S   0.030
Cr 3.00  3.75
Mo 2.00  3.00
V 0.25  0.75
W  
Ni+Cu   0.75

Mechanical Properties

Tensile strength 878~866 σb/MPa
Yield Strength 665 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 845~308 -
HRC 30 -

Physical Properties

Thermal expansion 25-44 e-6/K
Thermal conductivity 27-81 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8744-7415 째C
Density 8850-7819 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)
T20810 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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