UNS T20813

Location » Home » Grades > Special Alloy > T20813

Grades | Special Alloy | T20813

UNS T20813

Print

T20813 Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%) of the T20813
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%)
0.32~0.45 0.80~1.20 0.20~0.50 ≤0.030 ≤0.030 4.75~5.50 1.10~1.75 0.80~1.20

Mechanical properties of grade T20813

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
371 (≥) 241 (≥) 41 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical properties of grade T20813

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
512 (≥) 675 (≥) 24 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
832 281 454 - - -

T20813 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED