Steel grating
Steel grating also named bar grating.
The grating is with a square grid in the middle, composed by flat bearing bar and cross roun bar. mainly used as gutter cover, Steel structure platform walkway, steps of steel ladder, etc.
The steel grating is generally made of carbon steel, and the surface is hot-dip galvanized, which can prevent oxidation. It can also be made of stainless steel, aluminum steel.
According to the welding method, it can be divided into: machine forge welding type and handmade manual welding type.
According to surface of the loaded flat steel, it can be divided into: flat type, tooth type and "I" type.
According to its purpose, it can be divided into: trench cover, platform walkway, stair treads.
According to its mateiral, it can be divided into: midl steel, aluminum, stainless steel.
Specification
| Type | Width mm | Thick mm | KG/m | Clear Span mm | |||||||
| 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 | |||||
| G505/30/50 | 50 | 5 | 80.9 | U | 2361 | 590 | 262 | 147 | 94 | 65 | 48 |
| D | 0.14 | 0.55 | 1.24 | 2.2 | 3.45 | 4.97 | 6.82 | ||||
| G505/30/100 | 77.9 | C | 236 | 118 | 78 | 59 | 47 | 39 | 33 | ||
| D | 0.11 | 0.44 | 0.99 | 1.77 | 2.77 | 3.99 | 5.39 | ||||
| G455/30/50 | 45 | 5 | 73.4 | U | 1912 | 478 | 212 | 119 | 76 | 53 | 39 |
| D | 0.15 | 0.61 | 1.38 | 2.45 | 3.83 | 5.56 | 7.62 | ||||
| G455/30/100 | 70.4 | C | 191 | 95 | 63 | 47 | 38 | 31 | 27 | ||
| D | 0.12 | 0.49 | 1.09 | 1.94 | 3.07 | 4.35 | 6.06 | ||||
| G355/30/50 | 35 | 5 | 58.4 | U | 1156 | 289 | 128 | 72 | 46 | 32 | 23 |
| D | 0.2 | 0.79 | 1.77 | 3.16 | 4.94 | 7.17 | 9.61 | ||||
| G355/30/100 | 55.4 | C | 115 | 57 | 38 | 28 | 23 | 19 | 16 | ||
| D | 0.16 | 0.62 | 1.4 | 2.46 | 3.97 | 5.7 | 7.69 | ||||
| G255/30/50 | 25 | 5 | 43.4 | U | 590 | 147 | 65 | 36 | 23 | 16 | 12 |
| D | 0.28 | 1.1 | 2.47 | 4.35 | 6.82 | 9.92 | 13.9 | ||||
| G255/30/100 | 40.4 | C | 59 | 29 | 19 | 14 | 11 | 9 | 8 | ||
| D | 0.22 | 0.87 | 1.98 | 3.39 | 5.25 | 7.5 | 10.71 | ||||
Grating Type
Grating Type: Plain steel grating.
Bearing bar space optional size: 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm.
Bearing bar thickness: 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm.
Cross bar size: ø5mm, ø6mm, ø7mm, ø8mm, ø12mm, ø10mm.
Cross bar space optional size: ø40mm, ø50mm, ø60mm, ø80mm, ø100mm.
Welding method: Machine forge welding or manual hand-made welding.
Grating Type: Serrated steel grating.
Bearing bar space optional size: 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm.
Bearing bar thickness: 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm.
Cross bar size: ø5mm, ø6mm, ø7mm, ø8mm, ø12mm, ø10mm.
Cross bar space optional size: ø40mm, ø50mm, ø60mm, ø80mm, ø100mm.
Welding method: Machine forge welding or manual hand-made welding.
Applications
1.Maximum Security Facilities: Perimeter fencing for prisons, and high-security zones.
2.Transportation Infrastructure: Fencing for airports, highways (anti-dazzle screens), and railways.
3.Industrial & Construction Sites: Workshop partitions, machinery guards, and elevator protection doors.
4.Commercial & Public Areas: Security fencing for warehouses, logistics centers, and public utility sites.
GNEE STEEL's qualifications
GNEE STEEL
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