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T6

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T12005 T12006
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Description

USA ASTM T6 Tungsten series High-Speed Tool Steel and T6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T6
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T6 ASTM USA Tungsten series High-Speed Tool Steel
T61206
L6
T1
T12001
T12002
T2
T4
T12004
T5
T12005

Chemical composition(mass fraction)(wt.%) of the T6

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.75～0.85 0.20～0.40 0.20～0.40 ≤0.030 ≤0.030 4.00～4.75 0.40～1.00 1.50～2.10 18.5～21.0 11.0～13.0

Mechanical Properties of steel grade T6

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)
489 (≥) 984 (≥) 23 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade T6

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 - -     0.22 -  
467 699 - 33.3 321   -  
791 - 11 42.2   134 422

Heat Treatment of steel grade T6

Heat treated : 1951°C - 1554°C

Technological Curves of steel grade T6

Cross Reference Table (Equivalent Grade) of T6

Grade Standard Country Application
T6 ASTM USA Tungsten series High-Speed Tool Steel
SKT6 JIS Japan Hot-work die steel
BT6 UK Carbide for cutting tools
BT6 UK Carbide for cutting tools
CT60 SS Sweden Carbide for cutting tools
CT60 SS Sweden Carbide for cutting tools
OLT65 STAS/SR Romania Structural steel
OLT65 STAS/SR Romania Structural steel
T6CuMoNiCr200 STAS/SR Romania Cast Steel
T6MoNiCrl80 STAS/SR Romania Cast Steel
T6NiCrl80 STAS/SR Romania Cast Steel
St60F ONORM Austria Austrian structural steel
T12005 T12006
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