Import Din 1629 Seamless Carbon Steel Pipe — Buy in Bulk from Supplier in China

The DIN 1629 seamless carbon steel pipe from Guangzhou Taida Steel Tube Co., Ltd. is manufactured to meet the German industrial standard for non-alloy seamless tubes, with outer diameters ranging from 13.7mm to 323.9mm and wall thicknesses calibrated to support pressure and structural loads. Available steel grades include st37.0, st44.0, st52.0, st55, and ck45, each offering distinct yield and tensile properties suited to mechanical and fluid transport applications. These pipes are produced via a seamless hot-extrusion or cold-drawing process, eliminating weld seams and enhancing structural integrity under cyclic stress.

The material composition aligns with standard DIN 1629 requirements for carbon manganese steel, with carbon content typically under 0.25% and manganese between 0.5% and 1.6%. Surface finish is mill-scale or pickled, and dimensional tolerances follow ISO 4200 for seamless tubes. These pipes are not coated or plated unless specified by the buyer; internal cleanliness is maintained to prevent contamination in hydraulic or pneumatic systems. Industry norms permit minor surface imperfections within DIN 1629 tolerances, provided they do not affect wall thickness uniformity.

These pipes are commonly purchased by manufacturers in oil and gas, heavy machinery, shipbuilding, and structural fabrication sectors for pressure vessels, hydraulic lines, and load-bearing frames. Buyers typically order in metric ton quantities, with packaging in bundles secured by steel straps and labeled with grade, heat number, and standard compliance. Trade terms are commonly FOB Guangzhou or CIF destination port, with lead times averaging 25 to 40 days after deposit confirmation. Mill test certificates are provided upon request for batch traceability.

Guangzhou Taida Steel Tube Co., Ltd. is a trading company based in Tianhe District, Guangzhou, with a registered address at Rm 421 Huicheng Commerce Building, Xiangpu Street. The company operates as an imported supplier with harbor-tier trust verification, indicating established export experience and documented compliance with Chinese export regulations. No factory ownership or production capacity is disclosed in the listing; the company sources products from certified mills and handles export logistics and documentation.

The supplier has no publicly listed production facilities, workforce size, or years in operation. Response metrics show no recorded communication activity, suggesting reliance on automated inquiry systems. Verification status confirms legal registration in China but does not attest to manufacturing capability. Buyers should request mill certificates and third-party inspection reports to validate material conformity, as the supplier acts as a distributor rather than a producer.