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T8Mn

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T8 T9
#T8Mn

Description

China T8Mn Carbon tool steel and T8Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T8Mn
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T8Mn China Carbon tool steel
T7
T8
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 T8Mn

C(％) Si(％) Mn(％) P(％) S(％)
0.80～0.90 ≤0.35 0.40～0.60 ≤0.035 ≤0.030

Mechanical Properties of steel grade T8Mn

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)
155 (≥) 563 (≥) 11 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade T8Mn

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
43 - -     0.43 -  
617 293 - 22.3 431   -  
456 - 33 11.2   332 223

Heat Treatment of steel grade T8Mn

Heat treated : 1722°C - 1928°C

Technological Curves of steel grade T8Mn

Cross Reference Table (Equivalent Grade) of T8Mn

Grade Standard Country Application
T8Mn China Carbon tool steel
T8 T9
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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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