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BHMA①:4-4-4

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BHMA①:4-4-4 BHMA①:3-4-4
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Description

UK BHMA①:4-4-4 Carbide for cutting tools and BHMA①:4-4-4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: BHMA①:4-4-4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy BHMA①:4-4-4 UK Carbide for cutting tools
BHMA①:9-1-9
BHMA①:7-1-9
BHMA①:7-1-9
BHMA①:9-2-6
BHMA①:9-2-6
BHMA①:6-3-5
BHMA①:6-3-5
BHMA①:7-2-6
BHMA①:7-2-6
BHMA①:4-4-4

Chemical composition(mass fraction)(wt.%) of the BHMA①:4-4-4

Co(%)
8

Mechanical Properties of steel grade BHMA①:4-4-4

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)
541 (≥) 589 (≥) 43 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade BHMA①:4-4-4

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
22 - -     0.13 -  
384 151 - 12.3 344   -  
883 - 11 24.2   111 434

Heat Treatment of steel grade BHMA①:4-4-4

Heat treated : 1541°C - 1535°C

Technological Curves of steel grade BHMA①:4-4-4

Cross Reference Table (Equivalent Grade) of BHMA①:4-4-4

Grade Standard Country Application
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
BHMA①:4-4-4 UK Carbide for cutting tools
BHMA①:4-4-4 UK Carbide for cutting tools
BHMA①:3-4-4 UK Carbide for cutting tools
BHMA①:3-4-4 UK Carbide for cutting tools
BHMA①:3-5-3 UK Carbide for cutting tools
BHMA①:3-5-3 UK Carbide for cutting tools
BHMA①:2-6-3 UK Carbide for cutting tools
BHMA①:2-6-3 UK Carbide for cutting tools
BHMA①:1-8-2 UK Carbide for cutting tools
BHMA①:1-8-2 UK Carbide for cutting tools
BHMA①:4-4-4 BHMA①:3-4-4
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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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