China API 5L Grade B ERW Welded Pipe Manufacturer Supplies API 5L Grade B ERW Welded Pipe, Size 12 Inch, Pressure SCH 40, Black Painting, For Oil, Gas.
China SA 516 Gr.70N Hot Rolled Carbon Steel Plate Factory Offers SA 516 Gr.70N Hot Rolled Carbon Steel Plate,1 1/4IN THK 8 Feet x 20 Feet, Oil Coating.