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BP20

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BP20 :BP30
#BP20

Description

UK BP20 Carbide for cutting tools and BP20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BP20
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BP20 UK Carbide for cutting tools
BH19
BH21
BH21
BH21A
BH21A
BH26
BH26
BH224/5
BH224/5
BP20

Chemical composition(mass fraction)(wt.%) of the BP20

C(％) Si(％) Mn(％) Cr(％) Ni(％) Mo(％) Other(%)
0.28-0.40 0.40-0.60 0.65-0.95 1.50-1.80 ≤0.40 0.35-0.55 Cu≤0.20,Sn≤0.05

Mechanical Properties of steel grade BP20

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)
515 (≥) 641 (≥) 34 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade BP20

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
13 - -     0.14 -  
857 632 - 41.3 241   -  
696 - 33 34.2   313 312

Heat Treatment of steel grade BP20

Heat treated : 1677°C - 1937°C

Technological Curves of steel grade BP20

Cross Reference Table (Equivalent Grade) of BP20

Grade Standard Country Application
BP20 UK Carbide for cutting tools
BP20 UK Carbide for cutting tools
BP20 :BP30
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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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