UK BHMA①:7-4-1 Carbide for cutting tools and BHMA①:7-4-1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Tool Steel And Hard Alloy | BHMA①:7-4-1 | UK | Carbide for cutting tools | |
BHMA①:4-5-2 |
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BHMA①:3-6-3 |
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BHMA①:3-6-3 |
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BHMA①:2-7-3 |
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BHMA①:2-7-3 |
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BHMA①:9-3-0 |
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BHMA①:9-3-0 |
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BHMA①:8-3-0 |
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BHMA①:8-3-0 |
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BHMA①:7-4-1 |
Co(%) |
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5.5 |
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) |
---|---|---|---|---|---|---|
582 (≥) | 463 (≥) | 21 | 44 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
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 |
---|---|---|---|---|---|---|---|
11 | - | - | 0.34 | - | |||
328 | 344 | - | 32.3 | 122 | - | ||
326 | - | 32 | 22.2 | 421 | 442 |
Heat treated : 1676°C - 1775°C
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 |
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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