Sered tulad ng para sa fumace tubes, heat exchange tubes at pipelines sa petrolyo at refinery plant
Ginagamit sa paggawa ng water-cooled wall pipe, boiling water pipe, superheated steam pipe, superheated steam pipe para sa mga locomotive boiler, malaki at maliit na smoke pipe at arch brick pipe, atbp.
De-kalidad na Carbon Ctructure Steel; Structural Alloy Steel; Kinakalawang na Bakal na Lumalaban sa init
