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BT42

Favorite Datasheet
BT21 BM2
#BT42

Description

UK BT42 Carbide for cutting tools and BT42 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BT42
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BT42 UK Carbide for cutting tools
BT6
BT6
BT15
BT15
BT20①
BT20①
BT20①
BT20①
BT21
BT21

Chemical composition(mass fraction)(wt.%) of the BT42

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Co(%) Other(%)
1.25-1.40 ≤0.40 ≤0.40 3.75-4.50 ≤0.4 2.75-3.50 2.75-3.25 8.50-9.50 9.00-10.0 Cu≤0.20,Sn≤0.05

Mechanical Properties of steel grade BT42

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)
551 (≥) 166 (≥) 32 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade BT42

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
14 - -     0.21 -  
529 599 - 14.3 423   -  
243 - 11 34.2   442 423

Heat Treatment of steel grade BT42

Heat treated : 1143°C - 1992°C

Technological Curves of steel grade BT42

Cross Reference Table (Equivalent Grade) of BT42

Grade Standard Country Application
BT42 UK Carbide for cutting tools
BT21 BM2
Available Suppliers
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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