Plain steel grating is one of the most widely used steel gratings. The bearing bar comes in the form of a plain surface flat bar, commonly used for platforms, trench gratings, and stair treads, etc.
Ningbo Jiulong Machinery Manufacturing Co., Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50, 000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision!
Features:
1) Bearing bar specification: 20 x 3 to 100 x 6
2) Bearing bar pitch: 12.5, 15, 30, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended
3) Cross bar pitch: 38, 50, 76, 100mm, also be according to client's requirement and 50, 100mm are recommended
4) Material: Mild steel or stainless steel
5) Surface treatment: Untreated, painting or hot DIP galvanizing
6) Steel Grating Standards:
A) China: YB/T4001-1998
B) USA: ANSI / NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
| 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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