Machining Tungsten Blocks

Our tungten blocks include tungsten, tungsten-lanthanum, tungsten-aluminum, tungsten-rhenium and other metals of which all the raw materials are high-purity powder, featuring less impurity content in bar blanks, high sintering density and large deformation of the forged finished products. We lay emphasis on the control over forging technologies in the machining process, which is supplemented by an HIP process as necessary, to ensure the characteristics of high density, fine crystal grains and easy deep processing of products. Tungsten-molybdenum alloy forged products with high-density fine crystal grains have become a big feature of products.

According to different machining processes, tungsten bars have the conventional process density of 18.5 and the process density of more than 19.0 after HIP.

Density: 19.25 g/cm³ (second only to precious metals such as gold and platinum).

Melting point: 3422°C (the highest among all metals).

Hardness: Mohs hardness 7.5 (pure tungsten is brittle, and tungsten carbide can reach a hardness of 9~9.5).

Appearance: dark gray metallic luster, dense surface without pores.

High temperature field: rocket nozzles, welding electrodes, furnace parts.

Radiation protection: medical/nuclear industry shielding materials (lead replacement, non-toxic and more efficient).

Counterweight application: aircraft servos, racing balance blocks, high-end watch rotors.

Scientific research equipment: X-ray targets, particle accelerator components.

1. What is the density and weight of a tungsten Blocks?
Density: The density of pure tungsten is 19.25 g/cm³ (close to the density of gold).

Weight example:

A tungsten cube with a side length of 1 cm ≈ 19.25 grams

A tungsten cube with a side length of 1 inch (2.54 cm) ≈ 316 grams

2. What are tungsten blocks used for?
Industry: counterweights (aerospace, racing), radiation shielding, electrode materials.

Scientific research: high-temperature experiments, nuclear fusion device components.

Consumer products: high-end watch rotors, fishing sinkers (environmentally friendly alternatives to lead).

Collection: Due to its high density and metallic texture, some people collect tungsten cubes of different sizes.

3. What is the difference between a tungsten blocks and a tungsten alloy blocks?
Pure tungsten: high melting point, high density, but brittle and difficult to process.

Tungsten alloy (such as tungsten nickel iron):

Adding other metals to improve toughness and easy machining.

The density is slightly lower (17~18.5 g/cm³), but the overall performance is better, and it is often used in military or medical applications (such as radiation shielding).

4. Will tungsten cubes be attracted by magnets?
Pure tungsten is weakly magnetic (close to non-magnetic), but some tungsten alloys may have slight magnetism due to the addition of iron/nickel.

5. Are you a factory ?
Yes, we are factory but we generally use our trading company to handle the business abroad. It will be convenient to receive the remittance and arrange the shipment.

6. What is the MOQ of tungsten cube
A: Depends on quantity, generally, no MOQ limit.

7. How to pay for it?
A: A bank transfer (T/T) will be acceptable.

8. What is the delivery time?
A: around 7-20 days which depends on the quantity and production.

9. What is kind of the package?
A: generally, we use carton case or plywood case and with protective material inside to make sure the save of cargo

10. What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.

11. What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.

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