T20823 Tool Die Steels

T20823 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of T20823 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.30
Si 0.20 0.40
Mn 0.20 0.40
Cr - 12.00
Mo - -
V - -
W - 12.00

T20823 - Detail

Hot-Work Tool Steel

Mechanical properties of grade T20823

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
972 (≥) 655 (≥) 11 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical properties of grade T20823

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
619 (≥) 943 (≥) 33 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
563 444 181

Equivalent Grade

Equivalent Products

We can customize the production of T20823 grade, contact us for the best solution.
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