Supply & Demand

20# / 20G Extra‑long Seamless Steel Pipe | Compliant with both GB/T9948‑2025 and GB/T5310‑2023 This product is extra‑long‑size seamless steel pipe, with a maximum single‑piece length up to 36 m, complying with two current national standards: GB/T 9948‑2025 Seamless Steel Pipes for Petrochemical and Chemical Installations GB/T 5310‑2023 Seamless Steel Tubes for High‑pressure Boilers

Cold Drawn Seamless Steel Pipe is a high-precision, high-strength steel pipe product, widely used in mechanical manufacturing, automotive industry, construction engineering, hydraulic equipment, oil and natural gas sectors. The cold drawing process significantly improves the dimensional accuracy and surface quality of the steel pipe, making it highly tensile, tough, and endowed with excellent mechanical properties. Compared to hot-rolled seamless steel pipes, cold drawn seamless steel pipes have the following advantages: High Precision: Small dimensional tolerances, capable of meeting high precision requirements. Good Surface Quality: High surface smoothness, no oxide layer, and easy for subsequent processing. Excellent Mechanical Properties: High tensile strength and toughness, meeting stringent mechanical performance standards. Material Saving: Due to precise dimensions, machining allowances are reduced, thus saving material costs.