API 5L spiral steel pipe
SSAW pipe Specification: Out Diameter: 219.1-3048mm Wall thickness: 5-30mm Length: 6m, 9m, 12m, special length Steel Grade: Q235, Q345, X42, X46, X52, X56, X65, X70, X80 Standards: GB, SY, ASTM, API, ther as consumer Certification: ISO9001-2000, API ...