Renewable Design for Metal Bar Grating Stair Treads - P14 Common Steel Grating Selection Guide – Chengsen

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Renewable Design for Metal Bar Grating Stair Treads - P14 Common Steel Grating Selection Guide – Chengsen Detail:

Grating Steel Plate Characteristics

1. Beautiful appearance: simple lines, silver appearance, modern trend;
2. Best drainage: Water leakage area of 83.3%, is more than twice that of cast iron;
3. Hot dip galvanizing: strong rust resistance, maintenance free and replacement;
4. Anti-theft design: cover and frame are connected with hinge, anti-theft, safe, easy to open;
5. Save investment: large span, heavy load, lower than the price of cast iron and save the cost of stolen or crushed replacement;
6. High strength: the strength and toughness are much higher than that of cast iron, which can be used in wharf, airport and other long-span and heavy load environment;
7. Specifications: to meet the needs of different environments, loads, spans, sizes and shapes.

Hot Dip Zinc Steel Plate Grating Usage

In metallurgy, mining, petroleum, electric power and industrial fields as well as some civil fields, the grid plate as a new building material is being increasingly widely used. The so-called new materials, in fact, have a history of more than decades abroad, but it is only in the last 10 years that they have been widely used in China. But RESEMBLE ALUMINUM-ALLOY DOOR WINDOW SAME, COMPARED WITH TRADITIONAL MATERIAL, PEOPLE STILL CALL ITS NEW MATERIAL HABITUALLY ON.

Bearing Bar Size	Maintenance Platform			Fewer Pedestrians Platform			Pedestrian Density Platform
	Uniform load=2.5KN/m2 EvenLoad=2.5KN/m2 deflection 5mm Deflection5mm			Uniform load=3KN/m² EvenLoad=3KN/m2 deflection 5mm Deflection5mm			Uniform load=4KN/m2 EvenLoad=4KN/m2 deflection 5mm Deflection5mm
	Bearing Bar Pitch			Bearing Bar Pitch			Bearing Bar Pitch
	30mm	40mm	60mm	30mm	40mm	60mm	30mm	40mm	60mm
32×3	1700	1580	1430	1620	1510	1360	1510	1400	1270
40×3	2010	1870	1690	1920	1780	1610	1780	1660	1500
25×5	1600	1490	1350	1530	1420	1290	1420	1320	1200
32×5	1930	1790	1620	1840	1710	1550	1710	1590	1440
40×5	2280	2120	1920	2180	2030	1830	2030	1890	1700

Bearing BarSize	Usually Factory Trolley Passage						Uniform load=7.5KN/m² EvenLoad=7.5KN/m2
	Uniform load=5KN/m² EvenLoad=5KN/m2						Uniform load=7.5KN/m² EvenLoad=7.5KN/m2
	deflection=5mm Deflection5mm			deflection=10mm Deflection10mm			deflection=5mm Deflection5mm			deflection=10mm Deflection10mm
	Bearing Bar Pitch			Bearing Bar Pitch			Bearing Bar Pitch			Bearing Bar Pitch
	30mm	40mm	60mm	30mm	40mm	60mm	30mm	40mm	60mm	30mm	40mm	60mm
25×5	1350	1250	1130	1600	1490	1530	1220	1130	1020	1450	1350	1220
32×5	1620	1510	1360	1930	1790	1620	1460	1360	1230	1740	1620	1460
40×5	1920	1780	1610	2280	2120	1920	1730	1610	1460	2060	1920	1730
45×5	2090	1950	1760	2490	2320	2090	1890	1760	1590	2250	2090	1890
50×5	2270	2110	1910	2700	2510	2270	2050	1910	1720	2440	2270	2050
55×5	2440	2270	2050	2900	2700	2440	2200	2050	1850	2620	2440	2200
65×5	2760	2570	2320	3290	3060	2760	2490	2320	2100	2970	2760	2490
75×5	3080	2860	2590	3660	3400	3080	2780	2590	2340	3300	3080	2780
75×6	3220	3000	2710	3830	3560	3220	2910	2710	2440	3460	3220	2910

1. The even load walkway plate for a single person should be over 3.0KN/m2
2. The even load walkway plate for a double-direction should be over 5.0KN/m2
3. The even load walkway plate for many people should be over 7.5KN/m2

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