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Advantages of steel grid plank: light weight, strong intensity, big load capacity, transmission and aeration, anti-skid
Steel product standard: China YB/700-88Features: manufactured according to customers' requirementsFor example:1) Bearing bar pitches may be 12.5, 15 to 30, 40, 60, 80 and 90mm; of which 30and 40mm are recommended2) Cross bar pitch may be 30, 38, 50, 76 and 100mm; of which 50 and 100mm arerecommended3) Advantages of steel grid planks: light weight, strong intensity, big load capacity,transmission and aeration, anti-skid and secure, wears well, non-sagging,non-dirt, and easy to install 4) Hot galvanizing standard: China GB/T13912-925) Wrapping: wrapping is as requested by customers, or depends on the wrappingmethods used before.
No | Item | 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 Bar Pitch | 12.5, 15, 20, 23.85, 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 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
4 | Material Grade | ASTM A36, A1011, A569, Q235, 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 | Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Germany: DIN24537-1-2006, Japan:JIS |
bar steel grating grid drain trench covers (factory)