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T8

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T7 T8Mn
#T8

Description

China T8 Carbon tool steel and T8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T8 China Carbon tool steel
T7
EN X2CrNi19-11
EN X2CrNiMo17-12-2
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 T8

C(％) Si(％) Mn(％) P(％) S(％)
0.75～0.84 ≤0.35 ≤0.40 ≤0.035 ≤0.030

Mechanical Properties of steel grade T8

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)
344 (≥) 652 (≥) 13 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade T8

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
31 - -     0.42 -  
147 584 - 22.3 142   -  
685 - 22 43.2   123 233

Heat Treatment of steel grade T8

Heat treated : 1825°C - 1997°C

Technological Curves of steel grade T8

Cross Reference Table (Equivalent Grade) of T8

Grade Standard Country Application
T8 China Carbon tool steel
T8Mn China Carbon tool steel
GT88 AFNOR France Carbide for cutting tools
GT88 AFNOR France Carbide for cutting tools
CT85 SS Sweden Carbide for cutting tools
CT85 SS Sweden Carbide for cutting tools
T8MoNiCrlZ5 STAS/SR Romania Cast Steel
T7 T8Mn
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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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