API 5L A333 Gr.6 Black Round Carbon Seamless Steel Tube Oil Pipeline Pipe The oil casing is a steel tube used to support the well wall of oil and gas ...
ASTM A179 Gr.B A192 Gr.A ST52 2 Inch SCH30 16FT Cold Drawn Seamless Steel Heat Exchanger Tubes Product Description: According to the production method...
Q345 Q245B DN200 Black Welding Spiral Large Diameter Thick Wall Carbon Steel Pipe For House Bridge Spiral welded pipe: is the low carbon structural .....
WT 1 - 16mm / 4130 Seamless Steel Tubes And Welded Aircraft Tubing Chrome - Molybdenum Seamless steel pipe is made of the whole round steel through .....