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Description

UK BT6 Carbide for cutting tools and BT6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BT6
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BT6 UK Carbide for cutting tools
BS1
BS2
BS2
BT1
BT1
BT2①
BT2①
BT4
BT4
BT6

Chemical composition(mass fraction)(wt.%) of the BT6

C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Co(%) Other(%)
0.75-0.85 ≤0.40 ≤0.40 3.75-4.50 ≤0.40 ≤1.00 1.25-1.75 20.0-21.0 11.25-12.25 Cu≤0.20,Sn≤0.05

Mechanical Properties of steel grade BT6

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)
688 (≥) 537 (≥) 42 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade BT6

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 - -     0.14 -  
817 556 - 33.3 243   -  
347 - 23 44.2   312 124

Heat Treatment of steel grade BT6

Heat treated : 1325°C - 1837°C

Technological Curves of steel grade BT6

Cross Reference Table (Equivalent Grade) of BT6

Grade Standard Country Application
BT6 UK Carbide for cutting tools
BT6 UK Carbide for cutting tools

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