Qindelin - Steel Grating- Basic Steel Grating Materials

Steel Standard:

• China GB700-88 / ASTM (A36) / BS4306 (43A)
• Qindelin mild steel grating meets the following standards:
• China YB/T4001-1998
• America ANSI/NAAMM (MBG531-88)
• Britain BS4592-1987
• Australia AS1657-1992

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.

Grating Dimension:

• Load Bearing Flat Bar size
• Thickness≥3mm, depth ≥19mm
• 19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5, 40X6, 40X8, 40X10, 90X6
• Pitch of Load bearding flat bars(mm): 12.5,15, 20, 30, 30.6,? 32.5, 34,? 34.8, 35.3, 40, 60, 80
• Pitch of cross bars(mm): 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102
• Custom sizes available. The sizes and dimension is not limited to above.

• Walkway Grating
• Material Grade: Mild Steel or Carbon Steel
• Cross Bar / Twist Rod Size: Dia. 6.0mm
• Cross Bar Pitch: 100.0mm
• Width of Bearing & Banding Bar: 25.0mm
• Thickness of Bearing Bar :3.0mm
• Bearing Bar Pitch: 40.0mm (Bearing Bar Center to Center )
• Size: Width - 1600mm X Length - 4000mm