대구경 열간 압연 이음매 없는 강관 공정

다른 비디오
September 12, 2025
비디오 설명:
Discover the manufacturing process of large diameter hot rolled seamless pipes with ASTM A252 Gr 2 welded steel tubes. Ideal for structural applications, these pipes offer high strength and durability for piling, bridges, and marine structures.