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 Wells to ensure the normal ...
The black 1045 hot rolled carbon steel bar accepts a variety of bar sizes customized and processed bright bar finishes *, *::before, *::after {box-sizing: border-box;}* {margin: 0;...
Hot Rolled St37 Carbon Seamless Steel Pipe Round Black Seamless Carbon Steel Pipe And Tube Due to our adoption of hot rolling process, the original casting structure of the steel ...