Hot Dipped Galvanized Serrated Outdoor Drain Cover High Strength for Building Steel Grating
Galvanized steel grating is an ideal product for wet, slippery situations where corrosion resistance is vital. The mild steel gratings undergo hot dip galvanizing in a galvanizing bath with a 7-tank surface cleaning process. The zinc used for hot dip galvanizing is 99.95% pure, and the galvanized coating complies with IS-3202/IS-4759/IS-2629/IS-2633/IS-6745, ASTM-A-123, or equivalent international standards.
Key Features
- Available in stock sizes or custom fabricated to meet project specifications
- Excellent load bearing capabilities
- Superior ventilation for air, light, and sound
- Does not collect liquid and debris
- Long service life with wide range of open areas
- Unmatched surface quality as permanent replacement for slippery serrated and plain grating
- Available in multiple styles and spacing options for various applications
- Anti-theft design with hinge joint between cover and frame for security and convenience
- High strength and toughness superior to cast iron, suitable for terminals, airports, and large-span heavy loading conditions
Technical Specifications
| Material |
Carbon Steel Q235 / Stainless Steel 304 / 316 |
| Type |
Press locked / Flat bar / Serrated bar / I Bar |
| Bearing Bar Size |
20 x 3 to 100 x 9; I-section specifications: 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc. |
| Bearing Bar Pitch |
12.5 to 100 mm (30, 40, 60mm recommended; America standard available) |
| Cross Bar Pitch |
18.5 to 101.6 mm (50, 100mm recommended; America standard available) |
| Specification |
Bearing flat steel: 25x3mm / Center space: 30mm, 40mm, 50mm, 100mm Horizontal pole: 10x2mm / Center space: 50mm, 100mm |
| Surface Treatment |
Untreated / Painting / Hot Dip Galvanizing |
| Steel Standard |
China GB700-88 / America ASTM (A36) / Britain ASTM (A36) |
| HDG Standard |
China GB/T13912-92 / America ASTM (A123) / Britain BS729 |
| Quality Standard |
China YB/T4001-1998 / America ANSI/NAAMM (MBG531-88) Britain BS4592-1987 / Australia AS1657-1992 |
Product Images