Steel grating
Plain Style Steel Grating, Serrated Style Steel Grating and I Type Steel Grating are 3 basic kinds of gratings.
YaQi Wire Mesh Co, . Ltd. Is the largest steel grating manufacturer of China, with 11 sets of press welding production lines and 100, 000 metric tons' output every year. Varieties of products including untreated/galvanized steel grating, Stair treads, Trench cover, Suspended ceiling. Etc. The Xinxing grating is your professional and reliable partner.
Bearing bar size(mm X mm): 20 X 3, 25X3, 30X3, 25X5, 30X5...40X 8...100 X 10.
Bearing bar pitch(mm): 12.5, 15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80...Can also be as per clients' requirements, 20, 30, 40 is recommended.
Cross bar( transverse bar) pitch(mm): 38.1, 50, 50.8, 70, 75, 80, 99, 100, 101.6, 102...Can also be as per clients' requirements. 50, 100 is recommended.
Material: Mild steel.
Surface treatment: Untreated, Painting or Hot DIP Galvanized.
| Specifications of steel gratings |
| No |
Item |
Description |
| 1 |
Bearing bar |
20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50^ 75x8mm, etc. |
| 2 |
Bearing bar pitch |
25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
| 3 |
Cross bar |
5x5, 6x6, 8x8mm (twisted bar or round bar) |
| 4 |
Cross bar pitch |
40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement. |
| 5 |
Surface treatment |
Untreated, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers' requirement. |
| 6 |
Flat bar type |
Plain, Serrated (tooth-like), I bar (I section) |
| 7 |
Material standard |
Low carbon steel (CN: Q235, US: A36, UK: 43A) |
| 8 |
Galvanization standard |
CN: GB/T13912, US: ASTM (A123), UK: BS729 |
| 9 |
Steel grating standards |
A. China: YB/T4001-1998 |
| B. USA: ANSI/NAAMM (MBG 531-88) |
| C. UK: BS4592-1987 |
| D. Australia: AS1657-1988 |
| E: Japan: JJS |
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