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T9

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T8Mn T10
#T9

Description

China T9 Carbon tool steel and T9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T9
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T9 China Carbon tool steel
T7
T8
T8Mn
EN X2CrNiMo17-123
EN X2CrNiMo18-14-3
EN X2CrNiMo18-10-4
EN X2CrNiMoCuN25-6-3
EN X2CrNiMoCuWN25-7-4
EN X2CrNiMoN17-11-2
1.4088

Chemical composition(mass fraction)(wt.%) of the T9

C(％) Si(％) Mn(％) P(％) S(％)
0.85～0.94 ≤0.35 ≤0.40 ≤0.035 ≤0.030

Mechanical Properties of steel grade T9

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)
871 (≥) 934 (≥) 23 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade T9

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
11 - -     0.31 -  
663 676 - 13.3 143   -  
691 - 14 33.2   412 112

Heat Treatment of steel grade T9

Heat treated : 1972°C - 1264°C

Technological Curves of steel grade T9

Cross Reference Table (Equivalent Grade) of T9

Grade Standard Country Application
T9 China Carbon tool steel
T8Mn T10
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Jiangyou Longhai Special Steel Co.,Ltd.
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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