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Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

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Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

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Steel grating also named bar grating.
The grating is with a square grid in the middle, composed by flat bearing barand cross roun bar. mainly used as gutter cover, Steel structure platformwalkway, 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. lt can also be made ofstainless steel, aluminum steel
According to the welding method, it can be divided into: machine forgewelding type and handmade manual welding type
According to surface of the loaded flat steel, it can be divided into. flat typetooth type and "l" type.
According to its purpose, it can be divided into: trench cover, platformwalkway, stair treads.
According to its mateiral, it can be divided into: midl steel, aluminumstainless steel.

Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

Type	Width mm	Thick mm	KG/m	Clear Span mm
Type	Width mm	Thick mm	KG/m		200	400	600	800	1000	1200	1400
G505/30/50	50	5	80.9	U	2361	590	262	147	94	65	48
G505/30/50			80.9	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
G505/30/100			77.9	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
G455/30/50			73.4	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
G455/30/100			70.4	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
G355/30/50			58.4	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
G355/30/100			55.4	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
G255/30/50			43.4	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
G255/30/100			40.4	D	0.22	0.87	1.98	3.39	5.25	7.5	10.71

Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

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Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs

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Iron Square Grid Machine Forge Welding Galvanized Steel Stair Treads and Steel Grating Stairs Images