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Description

UK BM15 Carbide for cutting tools and BM15 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BM15
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BM15 UK Carbide for cutting tools
BT20①
BT20①
BT21
BT21
BT42
BM2
BM2
BM4
BM4
BM15

Chemical composition(mass fraction)(wt.%) of the BM15

C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Co(%) Other(%)
1.45-1.60 ≤0.40 ≤0.40 4.50-5.00 ≤0.40 2.75-3.25 4.75-5.25 6.25-7.00 4.50-5.00 Cu≤0.20,Sn≤0.05

Mechanical Properties of steel grade BM15

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)
722 (≥) 598 (≥) 32 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade BM15

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
21 - -     0.14 -  
591 175 - 22.3 133   -  
656 - 41 12.2   344 312

Heat Treatment of steel grade BM15

Heat treated : 1538°C - 1992°C

Technological Curves of steel grade BM15

Cross Reference Table (Equivalent Grade) of BM15

Grade Standard Country Application
BM15 UK Carbide for cutting tools
BM15 UK Carbide for cutting tools

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