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BM34①

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BM34① BM35
#BM34 #①

Description

UK BM34① Carbide for cutting tools and BM34① Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BM34①
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BM34① UK Carbide for cutting tools
BT21
BT21
BT42
BM2
BM2
BM4
BM4
BM15
BM15
BM34①

Chemical composition(mass fraction)(wt.%) of the BM34①

C(％) Si(％) Mn(％) Cr(％) Mo(％) V(%) W(%) Co(%)
0.85-0.95 ≤0.40 ≤0.40 3.75-4.50 8.00-9.00 1.75-2.05 1.70-2.20 7.75-8.75

Mechanical Properties of steel grade BM34①

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)
161 (≥) 345 (≥) 31 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade BM34①

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
31 - -     0.13 -  
642 154 - 13.3 413   -  
343 - 11 42.2   142 312

Heat Treatment of steel grade BM34①

Heat treated : 1182°C - 1387°C

Technological Curves of steel grade BM34①

Cross Reference Table (Equivalent Grade) of BM34①

Grade Standard Country Application
BM34① UK Carbide for cutting tools
BM34① UK Carbide for cutting tools
BT2① UK Carbide for cutting tools
BT2① UK Carbide for cutting tools
BT20① SS UK Carbide for cutting tools
BT20① SS UK Carbide for cutting tools
BT20① SS UK Carbide for cutting tools
BT20① SS UK Carbide for cutting tools
BHMA①:9-1-9 UK Carbide for cutting tools
BHMA①:9-1-9 UK Carbide for cutting tools
BHMA①:7-1-9 UK Carbide for cutting tools
BHMA①:7-1-9 UK Carbide for cutting tools
BHMA①:9-2-6 UK Carbide for cutting tools
BHMA①:9-2-6 UK Carbide for cutting tools
BHMA①:6-3-5 UK Carbide for cutting tools
BHMA①:6-3-5 UK Carbide for cutting tools
BHMA①:7-2-6 UK Carbide for cutting tools
BHMA①:7-2-6 UK Carbide for cutting tools
BM34① BM35
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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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