Lower carbon steel is easy to mold and weld and is particularly an economical selection. It is often used in commercial or industrial settings. Proses penyambungan tersebut dilakukan dengan tehnik welding disetiap titik temu (joint) antara cross bar dengan bearing bar. Cross bar biasanya terbuat dari kawat baja ulir tebal. https://kylertuwvu.madmouseblog.com/10216711/fascination-about-grating-steel-galvanized