5# to19# electro galvanized steel grating
1.Bearing bar: 40x4, PLAIN
2.Pitch: 38/38 center to center
3.Cross wire: 6mm twiste
5# to19# electro galvanized steel grating
specifications:
Bearing bar: 40x4, PLAIN
Pitch: 38/38 center to center
Dimension: 1x6 meter long
Grade: DIN 17100-ST52-3U
Finished: Black Color,galvanized,enameled
Cross wire: 6mm twisted.
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…… |
| No | Item | Description |
| 1 | Bearing bar | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
| 2 | Bear bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc. |
| 3 | Cross bar pitch | 38,50,76,100,101.6mm |
| 4 | Material | Q235,A36,SS304 |
| 5 | Surface treatment | Black, hot dipped galvanising, paint |
| 6 | Standard | China: YB/T 4001.1-2007 |
| USA: ANSI/NAAMM(MBG531-88) | ||
| UK: BS4592-1987 | ||
| Australia: AS1657-1985 |
Platform,trench cover,tair tread ,fence ,pavement grating | |
Type: | W--welded steel grating L-- pressure-locked C-- socket-welding |
Bearing bar centers: | 15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended. |
Cross bar centers: | any greater than 30mm is ok. with 50, 100mm recommended. |
Surface treatment: | G - galvanized P - painted U - untreated |
Grating standard: | China: YB/T4001.1-2007(YB/T4001.1-1998) Britain: BS4592-1:1995 US: ANSI/NAAMM(MBG531-93) Austrilia: AS1657-1992 |
Marks: | Example: JA 325/30/100 WFG |
