Load Bearing Flat Bar size | Thickness≥3mm, depth ≥19mm |
19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5…..40X6, 40X8, 40X10,….90X6…. | |
Pitch of Load bearding flat bars(mm) | 12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80…… |
Pitch of cross bars(mm) | 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102…… |
The sizes and dimension is not limited to above.
1.4 Grating type: flat bar: plain type, plain I type, serrated type, serrated I type; cross bar: round type and square twisted
Steel flat size | 20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5……45×5mm |
Beraing bar pitch | 12.5,15,20,25,30,35,40,50mm |
Cross bar pitch | 38,50,80,100mm |
material | Low carbon steel, stainless steel, aluminum |
Surface treatment | Untreated, hot galvanized, painted |
Standards | China: YB/T 4001.1-2007 USA: ANSI/NAAMM(MBG531-88) UK: BS4592-1987 Australia: AS 1657-1985 |
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