Custom Tungsten Alloy Counterweight Cylinders from China Suppliers and Factory for Automotive and Military Applications
Applications for Tungsten Alloy Cylinders
Tungsten alloy cylinders serve as excellent counterweight balancing blocks. For instance, when used in automotive applications, tungsten exhibits a density 3.2 times that of non-toxic materials commonly employed for automotive counterweights, thereby offering significant flexibility in vehicle design. The product set includes five 1/2-ounce cylinders, one 1/4-ounce cylinder, and two 1/8-ounce cylinders. These cylinders allow weight adjustments in 1/8-ounce increments, enabling precise control of total weight within the range of 0 to 3 ounces.
Compared to tungsten bars, tungsten alloy cylinders enjoy greater acceptance in practical applications due to their simpler manufacturing process. After pressing treatment, they exhibit excellent formability and machinability, whereas pure tungsten materials suffer from high brittleness, making them difficult to shape and prone to significant damage during processing. Moreover, the material properties of tungsten alloy cylinders make them well-suited for a wide range of subsequent machining requirements.
The cylindrical components fabricated from this material exhibit superior dimensional accuracy and surface finish, and can be processed through cutting, drilling, or grinding to produce counterweight parts that meet specific application requirements, thereby fulfilling the stringent specification demands of various precision devices. Additionally, tungsten alloy cylinders retain the inherent high density and specific gravity characteristics of tungsten alloys; under identical weight requirements, they occupy less space, making them ideal for counterweight applications aligned with lightweight design principles.
Specification of Tungsten Alloy Cylinder
| Parameter | Specification Range |
|---|---|
| Diameter | 2.0 - 100.0 mm |
| Length | 50 - 1000 mm |
| Density | 16.5 - 18.75 g/cm³ |
| Composition | W content: 85-99%, W-Ni-Fe, W-Ni-Cu |
| Surface | Sintered surface, Forged surface, Ground surface |
Tungsten Alloy Cylinder Data Sheet
| Grades | Density (g/cm³) | Hardness (HRC) | Tensile Strength (MPa) | Elongation (%) | Impact Toughness (MJ/m²) |
|---|---|---|---|---|---|
| W273 | 17.10 ± 0.15 | ≥ 23 | ≥ 900 | ≥ 24 | ≥ 1.30 |
| W263 | 17.25 ± 0.15 | ≥ 23 | ≥ 900 | ≥ 23 | ≥ 1.20 |
| W253 | 17.40 ± 0.15 | ≥ 24 | ≥ 900 | ≥ 22 | ≥ 1.10 |
| W243 | 17.60 ± 0.15 | ≥ 24 | ≥ 920 | ≥ 20 | ≥ 0.90 |
| W232 | 18.10 ± 0.15 | ≥ 25 | ≥ 920 | ≥ 14 | ≥ 0.45 |
| W231 | 18.30 ± 0.15 | ≥ 26 | ≥ 920 | ≥ 12 | ≥ 0.30 |
| W221 | 18.50 ± 0.15 | ≥ 27 | ≥ 920 | ≥ 10 | ≥ 0.22 |
| WNiCu | 16.00 - 18.50 | ≥ 22 | ≥ 450 | 2 - 8 | — |
Frequently Asked Questions (FAQ)
Pure tungsten is highly brittle and difficult to machine. Tungsten alloy cylinders offer significantly superior formability, ductility, and machinability after pressing, making them easier to process without cracking or breaking.
The cylinder sets allow fine weight adjustments in 1/8-ounce increments using combinations of 1/2-ounce, 1/4-ounce, and 1/8-ounce cylinders, delivering precise overall weight tuning from 0 to 3 ounces.
Due to their high density (up to 18.75 g/cm³—roughly 3.2 times denser than standard non-toxic counterweight alternatives), they deliver the target weight within a much smaller physical volume, optimizing compact assemblies.
Depending on dimensional tolerance and application requirements, cylinders can be supplied with sintered, forged, or precision ground surfaces.
Yes, these cylinders provide excellent dimensional stability and can undergo secondary machining processes such as drilling, cutting, tapping, and precision grinding.
W-Ni-Fe is the most commonly used magnetic-capable composition offering superior tensile strength and elongation, while W-Ni-Cu is preferred for applications requiring non-magnetic properties.