New Step by Step Map For harga steel grating
Rectangular steel bar stair treads supply a superior energy and stiffness-to-excess weight ratio and can be found which has a serrated area when additional security is necessary.Metode penyambungan itu dilakukan dengan tehnik welding disetiap titik temu (joint) antara cross bar dengan bearing bar. Cross bar umumnya dibuat dari kawat baja ulir tebal