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Hot Dip Galvanized Steel Grating Serrated Heavy Duty Industry Platform Catwalk
Products Description
Steel gratings are made by the load bearing bar and crossing bar (twisted square steel, square steel, round steel, flat steel, etc.) arranged in a certain distance between warp and weft.They are made to the original plate on the high-voltage resistance welding machine welding.After cutting, incision, hole opening, cover edge and other process, they become the products which meet customer’s requirements.
Hot-dip galvanizing is the most effective, economical and durable process to protect steel from atmospheric corrosion. The process is based on immersing the steel in a 450º molten zinc bath. The zinc covers the steel and protects it from atmospheric oxidation processes.
Welded Steel Bar Grating Specification
| No. | Item | Detailed Description |
| 1 | Bearing Bar | 25x3, 25x4.5, 25x5, 30x3, 30x4, 30x5, 30x5.5, 32x5, 40x5, 50x5,60x5,70x6, 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 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc | ||
| 2 | Bearing Pitch | 12.5, 15, 20, 25, 30, 30.3, 32.5, 35, 38.1, 40, 41.25, 60, 80mm etc |
| US standard: 19-w-4, 15-w-4, 16-w-4, 11-w-4, 19-w-2, 15-w-2 etc | ||
| 3 | Cross Bar Pitch | 38, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc |
| 4 | Steel Grade | ASTM A36, A1011, A569, Q235, S235JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self coloures, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
| 7 | Grating Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), |
| UK: BS4592-1987, Australia: AS1657-1985, Japan: JIS |
Packing and Delivery
Mostly, it will be packaged by steel belt or wood carton and deliver to our customers.
Metal Grating Picture
Product Certification
FAQ
1. How can I get a catalogue?
Please call us or send us email. We will reply within 24 hours.
2. Is customized product available ?
Besides common size, we accept customized fabrication. Just let us know your requirements.
3. How long after I place an order can I expect delivery?
This depends on the product chosen. We will always try to fit in deliveries to meet customer requirements, so if you have a specific deadline please talk to us. Some of our products are custom made, so will have a longer delivery time, but we can give you an estimated delivery date at the time of placing your order. We aim to complete the majority of deliveries within 15 days.