| 강조하다: | Slip Resistant Steel Grating Treads,Customizable Sizes Bar Grating Treads,High Strength Galvanized Steel Treads |
||
|---|---|---|---|
| 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"x1/4", 1 1/4"x1/4", 1 1/2"x1/4" 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 |
| Load Bearing Bar Pitch | Recommended Width |
|---|---|
| 30 | 125 | 155 | 185 | 215 | 245 | 275 | 305 |
| 40 | 125 | 165 | * | 205 | 245 | 285 | 325 |
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