line pipe

Seamless steel pipe is a steel pipe made by perforating steel billets and is widely used in various industrial fields. Carbon steel: Commonly used ones are ASTM A53, A106, API 5L, A335, etc. ASTM A53: Seamless and welded steel pipes for general use and mechanical

API 5L generally refers to the implementation standard of pipeline steel pipes. Pipeline steel pipes are used to transport oil, gas, water, etc. extracted from the ground to oil and gas industrial enterprises. Pipeline steel pipes include seamless steel pipes and welded steel pipes. At