Datang 5L Psl1 Casing Seamless Line Steel Pipe 3PE for Petroleum/Natural Gas. Versatile Coating Options: Available with Black, Varnish, Oiling, FBE, 3PE, or Hot DIP Galvanized coatings. Wide Size Range: Outer diameter from 219.1mm to 1524mm, wall thickness 6mm-80mm. Multiple Steel Grades: Includes Gr. B, X42, X46, X52, X60, X65, A500, Q235, Q345, S355. Third-Party Inspection: Supported by SGS and BV for quality assurance and verification. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs. Competitive Pricing: Professional manufacturer providing competitive prices with good quality. Fast Delivery: Fast delivery time with peak and off-season lead times within 15 workdays. 100% Quality Inspection: 100% visual and function inspection for finished products with traceable raw materials.