GB 9948 seamless steel pipes are vital for China's petroleum cracking, offering a range of grades from carbon (10#, 20#) to alloy (12ล้อ, 15ล้อ) and stainless (07crooky10, 022Cr17Ni12Mo2), ensuring high-temperature, แรงกดดันสูง, และความต้านทานการกัดกร่อน. Their features, like efficient fluid delivery and material utilization, enhance refinery efficiency, with applications in furnaces and weapons. Compared to ASTM A53/A106 and API 5L, GB 9948 ท่อมีความเชี่ยวชาญมากขึ้น, driving China's leadership in oil refining, with future advancements in coatings and monitoring promising extended service life.