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Andy SimpsonI'm a long-term partner of this factory. I've been on a field trip.The factory is strong and the grating quality is very good. I cooperated with this grating supplier in 2017.What surprised me was that this factory was very strong,and it was also one of the top local grating factories.
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David ZhangMy client told me that it was very smooth.The delivery speed is also very fast,I will receive the goods on the 7th day of the order.And the goods is inexpensive and convenient.
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Ajay ParateI have placed an oeder at this factory about FRP grating.The service is good and the grating is perfact.I'll come again.
Plug steel grating by ISO manufacturer

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xProduct Details
Brand Name | TT | Product Name | Steel Grating |
---|---|---|---|
Type | Plain Bar Grating | Color | Silver |
Highlight | ISO certified steel grating,industrial steel grating manufacturer,steel grating with warranty |
Product Description
Plug Steel Grating by ISO Manufacturer
Plug-in steel grating is a high-load capacity steel grating product with a scientific structural design, ideal for applications requiring superior bearing capacity or enhanced aesthetics. Manufactured through slotting, inserting, welding, and finishing processes, this product is engineered for heavy-duty industrial platforms with exceptional safety factors. Available with galvanized, painted, or dipped surface treatments.

Specifications
Standard specifications include flat steel thickness of 3mm-6mm, flat steel height of 20-50mm, and standard aperture of 50×50mm. Custom dimensions available to meet specific requirements.

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 |
Applications
30mm Pitch Series: The most commonly used type with 30mm center distance between bearing bars, compliant with American standards. Features excellent surface impact resistance for refineries, power plants, wastewater treatment plants, chemical plants, airports, and marine platforms. Toothed versions are ideal for wet environments like offshore oil platforms.
40mm Pitch Series: Economical lightweight solution meeting British standards for fixed platforms, walkways, and stairs. Suitable for small-span applications including transport equipment aisles, warehouse shelving, pavilion panels, and protective fencing.
60mm Pitch Series: Specifically engineered for mining applications with 50×60mm apertures to minimize mineral accumulation. Ideal for crushing systems, conveyor walkways, ball mills, and processing plant workstations.

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