Material:W90-97NiFe(Magnetic)&W90-97NiCu(Nonmagnetic)
Density:16.8-18.8g/cm3
- High density (up to 65% denser than Lead).Â
- Denser materials exist (, pure Tungsten, Gold, platinum group metals) but their use is restricted by availability, workability and cost.Â
- Providing mass where volume space is limited.Â
- Concentrated weight essential where accuracy is required in placement of mass.Â
- Placement of weight in situations where airflow has a significant impact.Â
- Possible, either to press components to shape, or to cut and shape material prior to sintering.Â
- Reducing the amount of final machining necessary to produce the finished component.Â
- Can be machined conventionally and without much difficulty.Â
- Blending of tungsten powder with other metal powders and a bonding agent, cooling and sieving.Â
- Pressing the blended powder to the required shape (allowing for shrinkage during the final processing), and shaping the green part component.Â
- Pre-sintering the pressed components to remove the bonding agent.Â
- Final sintering in the hydrogen fed furnace to fuse the powder particles together.Â
- Supplied in bar, square, round and rectangle sizes are available in rough oversize, or turned or ground to exact requirements. Components can also be produced to customer drawings.Â
- High softening temperature.Â
- Low thermal conductivity and low coefficient of expansion gives the material a high resistance to thermal fatigue.Â
- Excellent soldering erosion resistance to molten aluminium.Â
- Strong at high temperatures with high thermal stability.Â
high grade Tungsten high heavy alloy AMST 21014 class 3(another expression)Â Â Â
        - Material: W90-97NiFe(Magnetic) & W90-97NiCu(Nonmagnetic)
        - Density:16.8-18.8g/cm3
        - Rods Size:dia(1.5 -200) x Length<500mm Â
         Plate size: 0.1min Thickness*W*L
Property of tungsten alloy
AMST 21014 class 1
90%WNiFe, 90%WNiCu
Density :Â 17.0
Hardness: 32HRC max
Elongation: 5-20%
AMST 21014 class 2
92.5%WNiFe, 92.5%WNiCu
Density :Â 17.2
Hardness: 33HRC max
Elongation: 5-15%
AMST 21014 class 3
95%WNiFe, W95NiCu
Density :Â 18.0
Hardness: 34HRC max
Elongation: 3-10%
AMST 21014 class 4
97.5%WNiFe, W97.5NiCu
Density :Â 18.85
Hardness: 35HRC max
Elongation: 1-8%
Mechanical PropertiesÂ
- High Young's modulus of elasticity. Does not creep when experiencing significant forces, unlike Lead.Â
- Despite their strength, they remain ductile and resistant to cracking.Â
- The hardness range of the alloys is typically 20-35 Hardness HRC.Â
|
Tungsten Alloys   | ||||
| EFI Grade | EF17 | EF175 | EF18 | EF185 |
| ASTM BÂ 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 |
Tungsten high heavy aloy applications:
      - Balancing weights
Â
      - Electroheat upsetting anvil block
      - Balls in bomb
      - High voltage electrical contact
Our Standard and safe Packing
     -  paper wrapped the sheets, then plastic paper protected from moisture
     -  Foam board around the the inner wooden case
     -  Standard exported plywood case outside
Â
Delivery time: 10-35days as your required qty.
Our relevant tungsten high heavy alloy products and packing photoes,hope you are interested in them
Â
 High Quality Tungsten High Heavy Alloy ASTM B777-07 rods/sheet/tubes
Material:W90-97NiFe(Magnetic)&W90-97NiCu(Nonmagnetic)
Density:16.8-18.8g/cm3
- High density (up to 65% denser than Lead).Â
- Denser materials exist (, pure Tungsten, Gold, platinum group metals) but their use is restricted by availability, workability and cost.Â
- Providing mass where volume space is limited.Â
- Concentrated weight essential where accuracy is required in placement of mass.Â
- Placement of weight in situations where airflow has a significant impact.Â
- Possible, either to press components to shape, or to cut and shape material prior to sintering.Â
- Reducing the amount of final machining necessary to produce the finished component.Â
- Can be machined conventionally and without much difficulty.Â
- Blending of tungsten powder with other metal powders and a bonding agent, cooling and sieving.Â
- Pressing the blended powder to the required shape (allowing for shrinkage during the final processing), and shaping the green part component.Â
- Pre-sintering the pressed components to remove the bonding agent.Â
- Final sintering in the hydrogen fed furnace to fuse the powder particles together.Â
- Supplied in bar, square, round and rectangle sizes are available in rough oversize, or turned or ground to exact requirements. Components can also be produced to customer drawings.Â
- High softening temperature.Â
- Low thermal conductivity and low coefficient of expansion gives the material a high resistance to thermal fatigue.Â
- Excellent soldering erosion resistance to molten aluminium.Â
- Strong at high temperatures with high thermal stability.Â
high grade Tungsten high heavy alloy AMST 21014 class 3(another expression)Â Â Â
        - Material: W90-97NiFe(Magnetic) & W90-97NiCu(Nonmagnetic)
        - Density:16.8-18.8g/cm3
        - Rods Size:dia(1.5 -200) x Length<500mm Â
         Plate size: 0.1min Thickness*W*L
Property of tungsten alloy
AMST 21014 class 1
90%WNiFe, 90%WNiCu
Density :Â 17.0
Hardness: 32HRC max
Elongation: 5-20%
AMST 21014 class 2
92.5%WNiFe, 92.5%WNiCu
Density :Â 17.2
Hardness: 33HRC max
Elongation: 5-15%
AMST 21014 class 3
95%WNiFe, W95NiCu
Density :Â 18.0
Hardness: 34HRC max
Elongation: 3-10%
AMST 21014 class 4
97.5%WNiFe, W97.5NiCu
Density :Â 18.85
Hardness: 35HRC max
Elongation: 1-8%
Mechanical PropertiesÂ
- High Young's modulus of elasticity. Does not creep when experiencing significant forces, unlike Lead.Â
- Despite their strength, they remain ductile and resistant to cracking.Â
- The hardness range of the alloys is typically 20-35 Hardness HRC.Â
|
Tungsten Alloys   | ||||
| EFI Grade | EF17 | EF175 | EF18 | EF185 |
| ASTM BÂ 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 |
Tungsten high heavy aloy applications:
      - Balancing weights
Â
      - Electroheat upsetting anvil block
      - Balls in bomb
      - High voltage electrical contact
Our Standard and safe Packing
     -  paper wrapped the sheets, then plastic paper protected from moisture
     -  Foam board around the the inner wooden case
     -  Standard exported plywood case outside
Â
Delivery time: 10-35days as your required qty.
Our relevant tungsten high heavy alloy products and packing photoes,hope you are interested in them
Â
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