ERW High Frequency Welding steel tube pipe API 5L GrB A106B A53B Specifications: Standard: 5L API - American Petroleum Institute standards (PSL1, PSL2) GB/T9711 - China National Standard (GB/T9711.1, B/T9711.2) ... Leer más
3LPE / Raw / Painting / Galvanized Carbon Steel ERW Pipe Welded Steel Tube Specifications: Standard: 5L API - American Petroleum Institute standards (PSL1, PSL2) GB/T9711 - China National Standard (GB/T9711.1... Leer más
Large Diamete 30" Carbon Steel ERW Welded Pipe For Transporting Oil And Industrial Specifications: ERW express resistance welding, resistance welding with high production efficiency, low cost, saving materials, ... Leer más
ASTM A53 Grade B Carbon ERW Black Steel Pipe For Petrolum and Natural Gas Specifications: ERW express resistance welding, resistance welding with high production efficiency, low cost, saving materials, easy ... Leer más
Q195 Q235 Black Erw Steel Pipe Welded Steel Gas Pipe Large Diameter Specifications: Standard: 5L API - American Petroleum Institute standards (PSL1, PSL2) GB/T9711 - China National Standard (GB/T9711.1, B/T9711... Leer más