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T20824

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H24 H25
#T20824

Description

USA UNS T20824 Alloy tool steel and T20824 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T20824
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T20824 UNS USA Alloy tool steel
T20814
H19
T20819
H21
T20821
H22
T20822
H23
T20823
H24

Chemical composition(mass fraction)(wt.%) of the T20824

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
0.42～0.53 0.15～0.40 0.15～0.40 ≤0.030 ≤0.030 2.50～3.50 0.40～0.60 14.0～16.0

Mechanical Properties of steel grade T20824

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)
413 (≥) 839 (≥) 12 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade T20824

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
23 - -     0.12 -  
815 353 - 11.3 412   -  
512 - 31 33.2   441 311

Heat Treatment of steel grade T20824

Heat treated : 1823°C - 1948°C

Technological Curves of steel grade T20824

Cross Reference Table (Equivalent Grade) of T20824

Grade Standard Country Application
T20824 UNS USA Alloy tool steel
H24 H25
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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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