China Hunan High Broad New Material Co.Ltd
China Hunan High Broad New Material Co.Ltd. Professional Magnesium alloy products & Advanced Ceramic products Manufacturer
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High temperature resistance, Abrasion-resistance, light unit weight, working life much longer than tradition material.
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Regular size list for straight core
Other sizes:
Venturi type:
Coarse thread and Fine thread
Boron carbide nozzle insert with Aluminum or stainless steel jacket
(mm)
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Density: 2.40-2.65 g/cm3
Elastic modulus: 510 Gpa
Knoop Hardness: 3300
Flexural strength: 400-650 Mpa
Compressive strength: 4100 Mpa
Fracture toughness: 4.5-7.0 Mpa.m1/2
Coefficient of thermal expansion: 4.5x106
Thermal Conductivity: 29 m0k
Maximum permissible service temperature in air: 1500℃
Material Comparation Chart:
| Item | Al2O3 | SiC | B4C |
| Density | 3.5g/cm3 | 3.1g/cm3 | 2.4-2.65g/cm3 |
| Hardness | HV1650 | HV2750 | HV3300 |
| Flexural strength | 290 Mpa | 380 Mpa | 400-650 Mpa |
| Compressive strength | 850 Mpa | 3970 Mpa | 4100 Mpa |
| Fracture toughness | 4.8 Mpa.m1/2 | 4.0 Mpa.m1/2 | 4.5-7.0 Mpa.m1/2 |
| Thermal Conductivity | 20 m0k | 120m0k | 29 m0k |
Our Belief: Continuous Innovation.
Our Spirit: Sincerity, Unity, Dedicated, Hardworking.
Our Mission: Provide most advanced products & most professional technical solution.
