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USA UNS T20826 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: T20826
Category Class Grade Standard Country Application
Steel GradesTool Die Steels T20826 UNS USA Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the T20826

C Si Mn P S Cr Mo V W Ni+Cu
0.45 -0.55 0.15 -0.40 0.15 -0.40 ≤0.030 ≤0.030 3.75 -4.50 ≤ ≥ 0.75 -1.25 17.25 -19.00 ≤0.75

Mechanical Properties of steel grade T20826

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
436 (≥) 154 (≥) 44 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade T20826

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
31 - -     0.33 -  
888 446 - 33.3 111   -  
868 - 44 14.2   341 414

Heat Treatment of steel grade T20826

Heat treated : 1421°C - 1575°C

Technological Curves of steel grade T20826

Cross Reference Table (Equivalent Grade) of T20826

Grade Standard Country Application
UNS T20826
T20826

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