Product Description Mild steel grating is economic and strong with superior spanning capabilities. Mild steel grating is typically supplied with a plain surface and serrated surface. Our mild steel gratings are manufactured in accordance with YB/T4001-1998, ANSI/NAAMM, BS4592-1995, AS1657-1992 standard for fixed platforms, walkways, stair treads ,trench cover and well cover. Types Available Load Bar Direction (Span) It is important to check the load bar direction (span) when