Cold Drawn Seamless Tubing

Cold drawn seamless tubing is a high-precision product widely used across various industries due to its superior mechanical properties, dimensional accuracy, and excellent surface finish. This type of tubing is manufactured through a cold drawing process, which involves pulling a seamless steel tube through a die to reduce its diameter and wall thickness while enhancing its strength and surface quality.

One of the key advantages of cold drawn seamless tubing is its ability to meet strict dimensional tolerances and deliver a smooth, uniform surface. This makes it ideal for applications requiring high precision and reliability, such as in hydraulic systems, automotive components, and precision machinery. The cold drawing process also improves the material's mechanical properties, including tensile strength and hardness, making it suitable for high-pressure environments.

Cold drawn seamless tubing complies with international standards such as ASTM A519, DIN 2391, and EN 10305, ensuring consistent quality and performance. Available in outer diameters ranging from 30mm to 325mm and thicknesses from 5mm to 30mm, it can be supplied in random lengths or custom-cut to specific requirements. Common materials include St52, C45, SS304, and other grades, offering flexibility for different operational conditions.

Surface treatments such as oiling, varnishing, or end bevelling are available to enhance corrosion resistance and facilitate installation. Additionally, protective packaging options-including waterproof wrapping, steel-strapped bundles, and wooden cases-ensure the tubing arrives in perfect condition.

With a minimum order quantity of 3 tons and support for various trade terms like FOB, CFR, and CIF, cold drawn seamless tubing is accessible for both large-scale industrial users and specialized applications. Whether used in gas springs, boiler systems, fluid transportation, or the electric industry, this tubing offers durability, precision, and exceptional performance.

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