Hubei Fotma Machinery Co., Ltd.
| Payment Terms | T/T, L/C, Western Union, PayPal |
| Supply Ability | 10000pcs/month |
| Delivery Time | 20-25 days after deposit |
| Packaging Details | Paper cartons or plywood boxes |
| Tungsten Purity | 90% to 98% |
| Others | Ni Fe or Ni Cu |
| Thickness | 0.06 - 100mm |
| Surface | Machined |
| Density | 17.1 - 18.5 g/cc |
| Tolerance | +/-0.05 - 0.1mm |
| Brand Name | FOTMA |
| Model Number | WNiFe, WNiCu |
| Certification | ISO9001:2008 |
| Place of Origin | P.R. China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union, PayPal | Supply Ability | 10000pcs/month |
| Delivery Time | 20-25 days after deposit | Packaging Details | Paper cartons or plywood boxes |
| Tungsten Purity | 90% to 98% | Others | Ni Fe or Ni Cu |
| Thickness | 0.06 - 100mm | Surface | Machined |
| Density | 17.1 - 18.5 g/cc | Tolerance | +/-0.05 - 0.1mm |
| Brand Name | FOTMA | Model Number | WNiFe, WNiCu |
| Certification | ISO9001:2008 | Place of Origin | P.R. China |
| High Light | WNiCu Tungsten Alloy ，90% Radiation Protection Tungsten Alloy ，Ni Fe Machined Surface Tungsten Alloy | ||
W90 to 97 tungsten heavy alloy WNiFe/WNiCu Customized parts
Tungsten heavy alloy is a suitable raw material for radiation protection, as its combination of radiographic density (more than 60% denser than lead), machinability, good corrosion resistance, high radiation absorption (superior to lead), simplified life cycle and high strength. WHA typically consists of 90 to 98 wt% W in combination with some mix of nickel, iron, copper, and/or cobalt. The bulk of alloy production falls into the 90 to 95% W range. Density of WHAs varies from 17.7g/cm3 to 18.5g/cm3.
The majority of current uses for WHAs are best satisfied with the W-Ni-Fe system. such as 93W-4.9Ni-2.lFe and 95W-4Ni-lFe represent common compositions. The addition of cobalt to a W-Ni-Fe is a common approach for slight enhancement of both strength and ductility.
The presence of cobalt provides solid-solution strengthening of the binder and slightly enhanced tungsten-matrix interfacial strength. Cobalt additions of 5 to 15% of the nominal binder weight fraction arc most common.
Introduction of Tungsten Heavy Alloy Parts:
Standard: AMS-T-21014
Density: (17.7 - 18.5) g/cm3
Main Component: W (90 - 97)% with Ni & Fe or Ni & Cu
Thickness: 0.06mm to 100mm
Width x Length: Max 300 x 600mm
Surface Condition: Machined, Ground
Mechanical Properties of Tungsten Heavy Alloys:
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 : 17.5
Hardness: 33HRC max
Elongation: 5 - 15%
AMST 21014 class 3
95%WNiFe, 95%WNiCu
Density : 18.0
Hardness: 34HRC max
Elongation: 3 - 10%
AMST 21014 class 4
97.5%WNiFe, 97.5%WNiCu
Density : 18.5
Hardness: 35HRC max
Elongation: 1 - 8%
Tungsten Alloy Parts Applications:
Protection shields for nuclear radiation.
The war industry with the ball core,the ball link.the shrapnel,the armor-piercing shell uses the ball
Balancing weights
Electrodes for Resistance Weldingt tungsten alloy
High voltage electrical contact
Specifications of Tungsten Heavy Alloys:
Table 1. Properties of tungsten alloy ( AMS-T-21014 )
| Class | Nominal tungsten (weight percent) | Density (g/cc) | Hardness ( HRC )(maximum) |
| 1 | 90 | 16.85 - 17.25 | 32 |
| 2 | 92.5 | 17.15– 17.85 | 33 |
| 3 | 95 | 17.75– 18.35 | 34 |
| 4 | 97 | 18.25– 18.85 | 35 |
Table 2. Mechanical Properties – Minimum Value ( AMS-T-21014 )
| Class | Ultimate tensile strength ( ksi) | Yield strength at 0.2percent offset (ksi) | Elongation( percent ) |
| 1 | 110 | 75 | 5 |
| 2 | 110 | 75 | 5 |
| 3 | 105 | 75 | 3 |
| 4 | 100 | 75 | 2 |
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Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2004
Total Annual:
5000000-8000000
Employee Number:
50~100
Ecer Certification：
Active Member
Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ... Hubei Fotma Machinery Co.Ltd established in 2004 as a combined group engaged into manufacturing and exporting of Non-Ferrous Metals, Agricultural Machinery and Instruction Machinery etc. In 2005, our factory established in Zigong, Sichuan P.R., which is a professional manufacturer of ...
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