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EN10305-3 is a European standard that specifies the technical delivery conditions for welded and cold-sized steel tubes for precision applications. The standard is part of the EN 10305 series, which covers various aspects of steel tubes for precision applications. Here's a description of EN10305-3 cold-rolled welded steel pipes:
Purpose and Scope: EN10305-3 is specifically designed for precision applications where dimensional accuracy, smooth surface finish, and tight tolerances are critical. The standard covers cold-rolled, welded steel tubes.
Cold-Rolled Process: The steel tubes covered by this standard undergo a cold-rolling process. Cold rolling involves reducing the thickness of the steel at room temperature, resulting in improved dimensional accuracy and surface finish.
Welded Construction: EN10305-3 pertains to welded steel tubes. The welding process used conforms to the standard's requirements to ensure the integrity of the tube's structure.
Dimensional Tolerances: The standard defines strict dimensional tolerances to meet precision requirements. This includes specifications for the outer diameter, wall thickness, and other relevant dimensions.
Material Specification: EN10305-3 specifies the material requirements, including the type of steel and its chemical composition. This ensures that the steel used in the tubes meets the necessary mechanical and metallurgical properties.
Surface Finish: The standard may include requirements for the surface finish of the cold-rolled welded steel tubes. This is important for applications where a smooth surface is essential, such as in hydraulic or automotive systems.
Mechanical Properties: EN10305-3 outlines the mechanical properties that the steel tubes must possess, including parameters like tensile strength, yield strength, and elongation. These properties ensure that the tubes can withstand the intended application conditions.
Application Areas: Precision steel tubes produced according to EN10305-3 are commonly used in applications where accuracy, reliability, and a high-quality surface finish are crucial. This can include automotive components, hydraulic systems, and other precision engineering applications.
Compliance and Certification: Manufacturers producing cold-rolled welded steel pipes according to EN10305-3 are expected to comply with the standard's requirements. Certification may be provided to indicate that the tubes meet the specified criteria.
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.
EN10305-3 is a European standard that specifies the technical delivery conditions for welded and cold-sized steel tubes for precision applications. The standard is part of the EN 10305 series, which covers various aspects of steel tubes for precision applications. Here's a description of EN10305-3 cold-rolled welded steel pipes:
Purpose and Scope: EN10305-3 is specifically designed for precision applications where dimensional accuracy, smooth surface finish, and tight tolerances are critical. The standard covers cold-rolled, welded steel tubes.
Cold-Rolled Process: The steel tubes covered by this standard undergo a cold-rolling process. Cold rolling involves reducing the thickness of the steel at room temperature, resulting in improved dimensional accuracy and surface finish.
Welded Construction: EN10305-3 pertains to welded steel tubes. The welding process used conforms to the standard's requirements to ensure the integrity of the tube's structure.
Dimensional Tolerances: The standard defines strict dimensional tolerances to meet precision requirements. This includes specifications for the outer diameter, wall thickness, and other relevant dimensions.
Material Specification: EN10305-3 specifies the material requirements, including the type of steel and its chemical composition. This ensures that the steel used in the tubes meets the necessary mechanical and metallurgical properties.
Surface Finish: The standard may include requirements for the surface finish of the cold-rolled welded steel tubes. This is important for applications where a smooth surface is essential, such as in hydraulic or automotive systems.
Mechanical Properties: EN10305-3 outlines the mechanical properties that the steel tubes must possess, including parameters like tensile strength, yield strength, and elongation. These properties ensure that the tubes can withstand the intended application conditions.
Application Areas: Precision steel tubes produced according to EN10305-3 are commonly used in applications where accuracy, reliability, and a high-quality surface finish are crucial. This can include automotive components, hydraulic systems, and other precision engineering applications.
Compliance and Certification: Manufacturers producing cold-rolled welded steel pipes according to EN10305-3 are expected to comply with the standard's requirements. Certification may be provided to indicate that the tubes meet the specified criteria.
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.
