Stainless Steel Galvanized Drainage Gutter with Serrated Type Bar Grating for Industrial Use
Steel grating, also known as steel grid or bar grating, is a versatile and robust flooring solution designed for industrial, commercial, and architectural applications. Made from high-quality carbon or stainless steel, our steel grating features a lightweight yet durable design that ensures excellent load-bearing capacity and long-lasting performance.
- Plain Type: One of the most widely used gratings, available for flooring, sidewalk, drainage pit cover, stair tread, etc.
![Plain type steel grating showing standard grid pattern]()
- Serrated Type: Better non-skid property and safety compared with plain grating.
![Serrated type steel grating with textured surface for enhanced traction]()
- I Bar Type: Lighter, more economical, and practical compared with plain grating.
![I bar type steel grating with I-shaped bearing bars]()
| Load Bearing Flat Bar Size | Thickness ≥ 3mm, depth ≥ 19mm 19×3, 19×5, 20×3, 20×5, 25×3, 25×4, 25×4.5, 25×4.7, 25×5...40×6, 40×8, 40×10...90×6... |
|---|---|
| Pitch of Load Bearing 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, 99, 100, 101.6, 102... |
| Country | Steel Grating Standard | Steel Material Standard | Hot Galvanizing Standard |
|---|---|---|---|
| China | YB/T4001-1998 | GB 700-88 | GB/T13912-2002 |
| USA | ANSI/NAAMM (MBG531-88) | ASTM (A36) | ASTM (A123) |
| England | BS4592-1987 | BS4360 (43A) | BS729 |
| Australia | AS1657-1992 | AS3679 | AS1650 |
| No. | Item | Description |
|---|---|---|
| 1 | Bearing Bar | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10-100x10mm etc. I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc. US Standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x1/4", 1 1/4"x1/4", 1 1/2"x1/4", 1"x1/8", 1 1/4"x1/8", 1 1/2"x1/8", etc. |
| 2 | Bearing Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm, etc. US Standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
| 3 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2" & 4" etc. |
| 4 | Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400, Mild steel & Low carbon steel, etc. |
| 5 | Surface Treatment | Black, self-color, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain/Smooth, Serrated/Teeth, I bar, serrated I bar |
Yes, such as ASTM A36/A1011 for carbon steel and ASTM A123 for galvanizing.
Yes, steel grating is strong and durable, suitable for heavy industrial use.
Serrated grating has a textured surface for better traction and anti-slip performance.
Yes, with proper design and spacing, it is safe for walkways and stairs.
Yes, steel grating can withstand high temperatures, making it suitable for industrial plants.
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