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Carbon ,alloy,stainless Steel
as per request
as per request
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Size Range:
Outer Diameter: 8mm-80mm
Wall Thickness: 0.5mm-1.6mm
+C Hard. No final treatment after final cold rolling.
+LC Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.
EN 10305-3 is a European standard within the EN 10305 series that defines the technical delivery conditions for cold-sized welded steel tubes intended for precision applications. This standard specifically addresses cold-rolled welded steel tubes, emphasizing the following key aspects:
Purpose and Scope: EN 10305-3 applies to precision applications requiring high dimensional accuracy, superior surface finish, and strict tolerances. It governs the manufacturing and quality of cold-rolled welded steel tubes.
Manufacturing Process: The tubes specified in this standard are manufactured by a cold-rolling process, which is performed at room temperature. This process enhances dimensional precision and improves the surface quality of the tubes.
Construction Type: The standard covers welded tubes, with the welding process carried out in accordance with stipulated requirements to guarantee structural integrity.
Dimensional Tolerances: EN 10305-3 establishes stringent tolerances for critical dimensions, including outer diameter and wall thickness, to ensure consistency and precision.
Material Requirements: It specifies the steel grades and their chemical compositions to ensure the necessary metallurgical and mechanical properties are achieved.
Surface Quality: Requirements for surface finish are typically included, which is vital for applications demanding smooth surfaces, such as in hydraulic cylinders or automotive parts.
Mechanical Properties: The standard defines essential mechanical properties—such as tensile strength, yield strength, and elongation—that the tubes must meet to perform reliably under service conditions.
Typical Applications: Tubes conforming to EN 10305-3 are commonly used in sectors where precision and reliability are critical, including automotive engineering, hydraulic and pneumatic systems, and other high-precision mechanical applications.
Compliance and Certification: Manufacturers must ensure their products comply with all requirements of the standard. Certification is often provided to attest that the tubes meet the specified criteria of EN 10305-3.
Size Range:
Outer Diameter: 8mm-80mm
Wall Thickness: 0.5mm-1.6mm
+C Hard. No final treatment after final cold rolling.
+LC Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.
EN 10305-3 is a European standard within the EN 10305 series that defines the technical delivery conditions for cold-sized welded steel tubes intended for precision applications. This standard specifically addresses cold-rolled welded steel tubes, emphasizing the following key aspects:
Purpose and Scope: EN 10305-3 applies to precision applications requiring high dimensional accuracy, superior surface finish, and strict tolerances. It governs the manufacturing and quality of cold-rolled welded steel tubes.
Manufacturing Process: The tubes specified in this standard are manufactured by a cold-rolling process, which is performed at room temperature. This process enhances dimensional precision and improves the surface quality of the tubes.
Construction Type: The standard covers welded tubes, with the welding process carried out in accordance with stipulated requirements to guarantee structural integrity.
Dimensional Tolerances: EN 10305-3 establishes stringent tolerances for critical dimensions, including outer diameter and wall thickness, to ensure consistency and precision.
Material Requirements: It specifies the steel grades and their chemical compositions to ensure the necessary metallurgical and mechanical properties are achieved.
Surface Quality: Requirements for surface finish are typically included, which is vital for applications demanding smooth surfaces, such as in hydraulic cylinders or automotive parts.
Mechanical Properties: The standard defines essential mechanical properties—such as tensile strength, yield strength, and elongation—that the tubes must meet to perform reliably under service conditions.
Typical Applications: Tubes conforming to EN 10305-3 are commonly used in sectors where precision and reliability are critical, including automotive engineering, hydraulic and pneumatic systems, and other high-precision mechanical applications.
Compliance and Certification: Manufacturers must ensure their products comply with all requirements of the standard. Certification is often provided to attest that the tubes meet the specified criteria of EN 10305-3.
