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T20819

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H19 H21
#T20819

Description

USA UNS T20819 Alloy tool steel and T20819 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T20819
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T20819 UNS USA Alloy tool steel
H11
T20811
T20810
H12
T20812
H13
T20813
H14
T20814
H19

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) 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 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)
672 (≥) 972 (≥) 12 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

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 - -     0.12 -  
245 588 - 41.3 232   -  
961 - 21 32.2   243 134

Heat Treatment of steel grade T20819

Heat treated : 1425°C - 1912°C

Technological Curves of steel grade T20819

Cross Reference Table (Equivalent Grade) of T20819

Grade Standard Country Application
T20819 UNS USA Alloy tool steel
H19 H21
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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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