T20824 Tool Die Steels

T20824 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of T20824 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.45
Si 0.20 0.40
Mn 0.20 0.40
Cr - 3.00
Mo - -
V - -
W - 15.00

T20824 - Detail

Hot-Work Tool Steel

Mechanical properties of grade T20824

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)
816 (≥) 841 (≥) 11 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical properties of grade T20824

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
225 (≥) 628 (≥) 21 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 233
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
219 272 973

Equivalent Grade

Equivalent Products

We can customize the production of T20824 grade, contact us for the best solution.
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