Wholesale Dealers of Serrated Grating Stair Treads - P10 40mm Heavy Duty Galvanized Steel Grating – Chengsen

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Wholesale Dealers of Serrated Grating Stair Treads - P10 40mm Heavy Duty Galvanized Steel Grating – Chengsen Detail:

Description

Heavy duty steel grating supplies far greater strength-to-weight ratio than other flooring materials to bear the heavy load such as forklift or truck traffic.
Because these gratings are typically in more severe service, it is highly recommended that all open ends be trim or load banded. The welded band bar helps distribute these loads and minimizes potential panel distortion.

The Characteristics Of Heavy Type Steel Plate Grating

The biggest characteristic of heavy steel plate is that it has a large load capacity and the strongest impact resistance. It is recommended to use toothed steel lattice plate, which can provide better friction. It is the preferred product for places with large loads and many vehicles. Pressing lock is the best manufacturing method, which can effectively prevent the tilt instability of bearing flat steel. Avoid load flat steel deformation.

Heavy Type Steel Lattice Plate Grating Requirements

The production technology of heavy steel plate has special requirements. Generally, high quality carbon structural steel or stainless steel is required to have high strength and good corrosion resistance. Its chemical composition and mechanical properties shall comply with the requirements of Q235A of GB70088 or 0Crl8Ni9 of GBl22092, respectively. Each bearing flat steel and rimmed flat steel are double breaded fillet welding and the weld is not less than 3MM; The joint of each bearing flat steel and twist rod is fully welded; After the production of semi-finished black parts, the spatter, welding slag and burr must be removed, the corners without sharp edges must be polished, and the whole plate must be flat. The heavy steel plate is also very strict for galvanizing. When the thickness of bearing flat steel is not less than 5MM, the average weight of zinc layer after galvanizing shall not be less than 610g/㎡; When the thickness of the bearing flat steel is less than 5mm, the average weight of zinc layer after galvanizing shall not be less than 460g/㎡. The quality and requirements after galvanizing should conform to the latest “hot dip Galvanizing” GB/T13912-2008 standard.

Heavy Type Steel Grating

Type	bearing bar Width	bearing bar thickness	Cross barsize	Theory weight	Loadand deflection	Clear span
Type	bearing bar Width	bearing bar thickness	Cross barsize	Theory weight	Loadand deflection	200	400	600	800	1000	1200	1400	1600	1800	2000	2200	2400	2600	2800	3000
G1508/40/100	150	8	8×8	284.9	U	25500	6375	2833	1593	1020	708	520	398	314	255	210	177	150	130	113
G1508/40/100	150	8	8×8	284.9	D	0.05	0.18	0.41	0.73	1.15	1.66	2.26	2.95	3.74	4.63	5.6	6.7	7.85	9.17	10.54
G1308/40/100	130	8	8×8	247.6	U	19153	4788	2128	1197	766	532	390	299	236	191	158	133	113	97	85
G1308/40/100	130	8	8×8	247.6	D	0.05	0.21	0.48	0.85	1.33	1.91	2.6	3.14	4.32	5.34	6.49	7.76	9.11	10.55	12.22
G1208/40/100	120	8	8×8	229.0	U	16320	4080	1813	1020	653	453	333	255	201	163	134	113	96	83	72
G1208/40/100	120	8	8×8	229.0	D	0.06	0.23	0.52	0.92	1.44	2.07	2.83	3.7	4.68	5.8	7	8.39	9.85	11.5	13.2
G1008/40/100	100	8	8×8	191.7	U	11333	2833	1259	708	453	314	231	177	139	113	93	78	67	57	50
G1008/40/100	100	8	8×8	191.7	D	0.07	0.28	0.62	1.1	1.73	2.48	3.39	4.45	5.61	6.97	8.43	10.05	11.94	13.73	15.94
G908/40/100	90	8	8×8	173.1	U	9180	2295	1020	573	367	255	187	143	113	91	75	63	54	46	40
G908/40/100	90	8	8×8	173.1	D	0.08	0.31	0.69	1.22	1.92	2.77	3.77	4.93	6.26	7.72	9.35	11.17	13.24	15.25	17.57
G808/40/100	80	8	8×8	154.4	U	7253	1813	805	453	290	201	148	113	89	72	59	50	42	37	32
G808/40/100	80	8	8×8	154.4	D	0.09	0.34	0.77	1.38	2.16	3.11	4.25	5.56	7.04	8.71	10.5	12.66	14.73	17.53	20.11
G758/40/100	75	8	8×8	145.1	U	6375	1593	708	398	255	177	130	99	78	63	52	44	37	32	28
G758/40/100	75	8	8×8	145.1	D	0.09	0.37	0.83	1.47	2.31	3.33	4.54	5.92	7.5	9.27	11.25	13.55	15.78	18.47	21.42
G756/30/100	75	6	8×8	140.1	U	6375	1593	708	398	255	177	130	99	78	63	52	44	37	32	28
G756/30/100	75	6	8×8	140.1	D	0.09	0.37	0.83	1.47	2.3	3.33	4.54	5.91	7.49	9.26	11.24	13.53	15.76	18.44	21.39
G756/40/100	75	6	8×8	110.1	U	4781	1195	531	298	191	132	97	74	59	47	39	33	28	24	21
G756/40/100	75	6	8×8	110.1	D	0.09	0.37	0.83	1.47	2.3	3.31	4.52	5.9	7.56	9.22	11.25	13.55	15.93	18.48	21.44
G706/30/100	70	6	8×8	131.1	U	5553	1388	617	347	222	154	113	86	68	55	45	38	32	28	24
G706/30/100	70	6	8×8	131.1	D	0.1	0.39	0.89	1.58	2.47	3.56	4.85	6.32	8.04	9.96	11.99	14.41	16.82	19.9	22.65
G706/40/100	70	6	8×8	103.2	U	4165	1041	462	260	166	115	85	65	51	41	34	28	24	21	18
G706/40/100	70	6	8×8	103.2	D	0.1	0.39	0.88	1.58	2.46	3.55	4.87	6.38	8.05	9.91	12.09	14.19	16.85	19.95	22.7

Notes:
1. U: safe and uniformly distributed load, KN/m2.
2. D: the maximum deflection corresponding to the listed safe load.
3. Theoretical weight is the weight of 1m length of hot dipped galvanized grating.

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