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T20819

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H14 H19
#T20819

Description

USA UNS T20819 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: T20819
Category Class Grade Standard Country Application
Steel GradesTool Die Steels T20819 UNS USA Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the T20819

C Si Mn P S Cr Mo V W Ni＋Cu Co
0.32 -0.45 0.20 -0.50 0.20 -0.50 ≤0.030 ≤0.030 4.00 -4.75 0.30 -0.55 1.75 -2.20 3.75 -4.50 ≤0.75 4.00 -4.50

Mechanical Properties of steel grade T20819

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)
112 (≥) 362 (≥) 31 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade T20819

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
12 - -     0.32 -  
986 533 - 13.3 234   -  
236 - 31 42.2   322 331

Heat Treatment of steel grade T20819

Heat treated : 1315°C - 1366°C

Technological Curves of steel grade T20819

Cross Reference Table (Equivalent Grade) of T20819

Grade Standard Country Application
UNS T20819
T20819
T20819
H14 H19
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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