China Tungsten Alloy Tube Alloy Crucibles, Find details about China Tungsten Tube, Tungsten Alloy Crucible from Tungsten Alloy Tube Alloy Crucibles
Tungsten Tubes Process and usage:
1. Size: OD(3.5-350)*W(0.5-50)*L
2. Process: APT--powder--reduction suppression (sintering/car processing)products--rooted (spin forging/rolling)--stretching--tube
3. Usage: Because of the tungsten high melting point (3400 ° C), high-density (19.3 g/cm3), sound velocity (4.03 km/s), good ductility characteristics of pure metal state and tungsten alloy state is widely used in modern technology, alloy is the main is a state of alloy steel, with tungsten carbide based hard alloy, and the strong heat resistant alloy alloy.
We also can produce tungsten boat, tungsten crucibles, tungsten funnels, tungsten barrel, tungsten tubes and various kinds of special liquid- flow hole panel, etc.
1). Sintering tungsten crucible
Density: 18.0 - 18.5 g/cm3
Working temperature: 1800 - 2, 600 DC
Diameter: 100 - 500mm (max. )
Cubage: 0.4 - 100 litres
2). Forging tungsten crucible
Density: 18.5 - 19.0 g/cm3
Working temperature: 1800 - 2, 600 DC
Diameter: 18 - 150mm (max. )
Cubage: 2 - 500 ml
3). Applications: It is used for smelting of rare earth metals, heating elements of induction furnace, heating elements of rarearth metals, smelting of quartz, glass and for high-temperature containers. Tungsten crucible is used in high temperature vessels for smelting of rare earth metals.
4. Property of tungsten alloy: Tungsten high heavy alloy tubes/ crucibles
1).Material: W90-97NiFe(Magnetic) & W90-97NiCu(Nonmagnetic)
2).Density:16.8-18.8g/cm3
3).Size: rod dia(1.5 -200) x Length300mm Plate: 0.1min Thickness*W*L
AMST 21014 class 1
90%WNiFe, 90%WNiCu
Density : 17.0
Hardness: 32HRC max
Elongation: 5-20%
AMST 21014 class 2
92.5%WNiFe, 92.5%WNiCu
Density : 17.2
Hardness: 33HRC max
Elongation: 5-15%
AMST 21014 class 3
95%WNiFe, W95NiCu
Density : 18.0
Hardness: 34HRC max
Elongation: 3-10%
AMST 21014 class 4
97.5%WNiFe, W97.5NiCu
Density : 18.85
Hardness: 35HRC max
Elongation: 1-8%
5. High density (up to 65% denser than Lead).
Denser materials exist (pure Tungsten, Gold, platinum group metals) but their use is restricted by availability, workability and cost.
Providing mass where volume space is limited.
Concentrated weight essential where accuracy is required in placement of mass.
Placement of weight in situations where airflow has a significant impact.
6. Thermal Properties
High softening temperature.
Low thermal conductivity and low coefficient of expansion gives the material a high resistance to thermal fatigue.
Excellent soldering erosion resistance to molten aluminium. Strong at high temperatures with high thermal stability.
7. Mechanical Properties
High Young's modulus of elasticity. Does not creep when experiencing significant forces, unlike Lead.
Despite their strength, they remain ductile and resistant to cracking.
The hardness range of the alloys is typically 20-35 Hardness HRC.
Tungsten Alloys | ||||
EFI Grade | EF17 | EF175 | EF18 | EF185 |
ASTM B 777-07 | 1 | 2 | 3 | 4 |
Weight % Tungsten | 90 | 92.5 | 95 | 97 |
Nominal Density GM/CC | 17.00 | 17.50 | 18.00 | 18.50 |
Minimum* Ultimate Tensile Strength UTS (KSI) | 110 | 110 | 105 | 100 |
Minimum* Elongation % | 5 | 5 | 3 | 2 |
Modulus of Elasticity (KSI) | 45,000 | 48,000 | 50,000 | 52,000 |