Gratings are assembled grids of parallel bearing bars with crossbars used to space and hold the bearing bar erect. The assembled grid is used to cover of floor any of various openings. Gratings provide a surface but allow air, light, heat, sound and water to pass through. It is strong and durable and maintenance-free.
Electro Forged Gratings are manufactured using Electro Forged machine with the flexibility and capacity of welding an extensive range of bearing bar of size from 25*3 mm up to 50*5 mm and crossbar size from 6 mm to 8 mm.
25x3, 25x5, 25x6, 30x5, 30x6 32x5, 40x5, 50x5mm Bearing Bars/Load Bearing Bars/Main Bars
The bars carry the load of the gratings and are usually:
30x3 mm 25 x 3 – light duty grates
25x5, 30x5 – medium duty grates
40x5, 50x5 – heavy duty grates
This is determined according to the client’s use and load distribution demand
50mm and 75mm
Flat bars are welded to bearing bars to keep the bearing bars spaced at a fixed distance.
Cross bars are usually :
6mm and 8mm – Sq Twisted Bar (Across the Diagonal)
25mm, 30mm, 35mm, 40mm, 41mm and 50mm
Comparison of Electro forged Gratings over Handmade Gratings:
Handmade Gratings | Electro Forged Gratings |
---|---|
Manual labour is required | Automatic welding process |
Cross-bar/bearing bar are welded manually and therefore, the welding is non-homogeneous | Bearing bars are welded by electro-fusion process and the welding is homogeneous |
Production time is more | Production time is less |
High labour cost | Labour cost is less |
Work gets held up as there is no control over time because of breakage of dies or machines breaking or shortage of labour, which are inevitable in a makeshift arrangement | Total control over project schedule because of stock availability of gratings |
Weight compared to Electro Forged Gratings more | Weight is less compared with Manual Gratings |
Since bearing bars are punched to fit cross bars, strength gets reduced | Since bearing bars are not punched, strength is more |
Walkways
Security Screens
Working Platform
Decks
Stairways
Drain Covers
Mezzanine floor
Oil & Gas Rig Platform
Ramps
Porch
Stair Tread
Gully Covers
Refineries
Power Plants
Steel Plants
Cement Plants
Petroleum Industries
Automobile Industries
Chemical Industries
Fertilizer Industries
Poultry Industries
Ship Building
Construction Sites
Sugar Mills
Oil Mills
Port Trusts
Coal Mines
Railways
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