Plain Mild Steel Grating

Mild steel grating is very strong and safe for the support of floors, platform stair treads and elevated walkway. It is a low cost flooring metal with no galvanizing or hot dipped coating protection, suitable for common industrial uses.Steel Standard: China GB700-88 / ASTM (A36) / BS4306 (43A)Qindelin mild steel grating meets the following standards:China YB/T4001-1998America ANSI/NAAMM (MBG531-88)Britain BS4592-1987Australia AS1657-1992Standard Specifications:Grating Dimension:Load Bearing Flat Bar sizeThickness≥3mm, depth ≥19mm19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5, 40X6, 40X8, 40X10, 90X6Pitch of Load bearding flat bars(mm): 12.5,15, 20, 30, 30.6,? 32.5, 34,? 34.8, 35.3, 40, 60, 80Pitch of cross bars(mm): 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102Custom sizes available. The sizes and dimension is not limited to above.Grating types: Flat bar: plain type, plain I type; serrated type, serrated I type; cross bar: round type and square twisted type.Finishing treatment:a. Galvanized: Steel grating with zinc protection coating;b. Untreated steel: Carbon steel or mild steel grating, black natural steel color, non galvanized;c. Painted: Steel grating painted into colors.

Processing:Mild or carbon steel grating is made of carbon steel plates of certain sizes through the processing of grooving, lock-pressure, welding, finishing and other treatment.Uses:Mild steel grating is used for the support of floors and elevated walkway, platform aisle,ventilation windows,wells, advertising plaque and other construction.