With advantages in perfect thickness tolerance control, good flatness and excellent performance, pipeline steel products are mainly used in oil pipelines, gas pipelines, heat pipelines, water pipelines, steel pipe piles, oil casing and other pipeline industries. In the process of using pipeline steel, not only high corrosion resistance, but also high cryogenic impact toughness and excellent welding performance are required. Rizhao Steel could supply pipeline grades such as L245(B) / L290(X42) / L320(X46) / L360(X52) / L390(X56) / L415(X60) / L450(X65) / L485(X70) and so on, and size range (4-20) *(1010-2000), which could meet customer's individual requirement for engineering steel.