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T20825

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H25 H26
#T20825

Description

USA UNS T20825 Alloy tool steel and T20825 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T20825
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T20825 UNS USA Alloy tool steel
T20819
H21
T20821
H22
T20822
H23
T20823
H24
T20824
H25

Chemical composition(mass fraction)(wt.%) of the T20825

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
0.22～0.32 0.15～0.40 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 0.40～0.60 14.0～16.0

Mechanical Properties of steel grade T20825

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)
862 (≥) 954 (≥) 42 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade T20825

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
13 - -     0.42 -  
959 837 - 11.3 224   -  
561 - 23 42.2   241 433

Heat Treatment of steel grade T20825

Heat treated : 1278°C - 1519°C

Technological Curves of steel grade T20825

Cross Reference Table (Equivalent Grade) of T20825

Grade Standard Country Application
T20825 UNS USA Alloy tool steel
H25 H26
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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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