Description of Customized Size Tungsten Heavy Alloy Ring
Customized Size Tungsten Heavy Alloy Rings are made according to the outer diameter, inner diameter, thickness, and chamfer data provided by the well crew. High-purity tungsten powder is mixed with a small amount of nickel-iron binder, cold isostatically pressed into billets, vacuum sintered at 1,400 degrees Celsius, and then centerlessly ground, CNC-turned, and laser-marked, with each piece completed within three hours. The ring body has no welds, and the coaxiality of the inner and outer circles is controlled within 0.02 mm. The chamfers are deburred, the edges are rounded, and fingers will not leave any marks when they run across it. Each ring is packaged in an independent bubble bag with a QR code. Scan the code to see the batch, weight, and quality assurance certificate. The whole batch is shipped in wooden boxes lined with shock-absorbing foam, which can be stacked up to three layers without deformation. Old rings are returned to the factory for recycling, and the tungsten material is remelted and reused, with a loss of less than 3%.
Features of Customized Size Tungsten Heavy Alloy Ring
High density allows a single ring to provide precise counterweighting, reducing drill string vibration.
High hardness, wear resistance, and erosion resistance ensure long-term dimensional stability in sandy mud.
Made from a single piece with no welds, coaxiality ≤ 0.02 mm, and high-speed rotation without runout.
Outer diameters, inner diameters, thicknesses, and chamfers can be customized to your needs, eliminating the need for on-site secondary processing.
100% recyclable and remeltable, with tungsten loss less than 3%, enabling cost-saving and environmentally friendly recycling.
Applications of Customized Size Tungsten Heavy Alloy Ring
Counterweights for downhole drill collars, screws, and instruments while drilling for onshore and offshore oil and gas drilling; weight-on-bit balance and vibration suppression for directional and horizontal wells; precision counterweight rings for high-pressure and high-temperature wellhead devices and blowout preventer groups.
Specifications of Customized Size Tungsten Heavy Alloy Ring
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Material: |
Tungsten alloy |
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Purity: |
80%~99.99% |
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Density: |
17-18.5g/cc |
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MOQ: |
No restrictions |
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Surface: |
Sinter state/Machined state |
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Size: |
Customized |
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Origin: |
China |
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Transport Package: |
Wooden case |
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OEM: |
Avaliable |
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Standard: |
ISO, ASTM, AISI |
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Sample: |
Avaliable |
Testing and quality control of Customized Size Tungsten Heavy Alloy Ring

FAQ for Customized Size Tungsten Heavy Alloy Ring
Are you a Customized Size Tungsten Heavy Alloy Ring factory or Customized Size Tungsten Heavy Alloy Ring manufacturer?
A: Yes, we are a Customized Size Tungsten Heavy Alloy Ring factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method of the Customized Size Tungsten Heavy Alloy Ring?
A: Generally, we send a Customized Size Tungsten Heavy Alloy Ring by UPS, DHL or FedEx. Also, we can send by sea to a seaport or by air to the closest airport.
Why is your Customized Size Tungsten Heavy Alloy Ring so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection of Customized Size Tungsten Heavy Alloy Ring or full inspection of Customized Size Tungsten Heavy Alloy Ring?
A: 100% full inspection for sure. All unqualified Customized Size Tungsten Heavy Alloy Rings are discarded.
How do you ensure your lead time for a Customized Size Tungsten Heavy Alloy Ring?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of the Customized Size Tungsten Heavy Alloy Ring?
A: Depends on the quantity of Customized Size Tungsten Heavy Alloy Ring; generally, no MOQ limit.
How to pay for Customized Size Tungsten Heavy Alloy Ring?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time of a Customized Size Tungsten Heavy Alloy Ring?
A: Around 7-20 days, which depends on the quantity and production of the Customized Size Tungsten Heavy Alloy Ring.
What kind of package of Customized Size Tungsten Heavy Alloy Ring is it?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the safety of the Customized Size Tungsten Heavy Alloy Ring.
What is the lead time of a Customized Size Tungsten Heavy Alloy Ring?
A: From the order placed to cargo receiving will take around 10-25 days.

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