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Galvanized Serrated Bar Grating With 6mm Twist Bar For Drilling Platform
Serrated Bar Grating Description:
what is steel grating ?( steel platform grating) -- Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
| No. | Item | Detailed Description |
| 1 | Bearing Bar | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc |
| US standard: 1' ' x3/16' ' , 1 1/4' ' x3/16' ' , 1 1/2' ' x3/16' ' , 1' ' x1/4' ' , 1 1/4' ' x1/4' ' , 1 1/2' ' x1/4' ' , 1' ' x1/8' ' , 1 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc | ||
| 2 | Bearing Pitch | 12.5, 15, 20, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc |
| US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc | ||
| 3 | Cross Bar Pitch | 38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc |
| 4 | Steel Grade | ASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
| 7 | Grating Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), |
| UK: BS4592-1987, Australia: AS1657-1985, Japan: JIS |
Serrated Bar Grating Quality Standards:
| Grating Standard | Material Standard | HDG Standard | Handrail Standard |
| YB/T4001-2007 | GB704-88 | GB/T13912-92 | 4053.3-93 |
| ANSI/NAAMM | ASTM (A36) | ASTM (A123) | |
| BS4592-1995 | BS4360 (43A) | BS729 | BS6399/BS6180 |
| AS1657-1992 | AS3679 | AS1650 | 1650-1985 |
Serrated Bar Grating Picture:
