Plain black steel grating
>Best quality and price
>This size was designed for US customer.
>Production capacity:100ton/day
>Best quality and price
>This size was designed for US customer.
>Production capacity:100ton/day
Plain black steel grating is one of the most widely used steel gratings.
The bearing bar comes in the form of a plain surface flat bar, commonly used for platforms, trench
gratings, and stair treads.
The bearing bar comes in the form of a plain surface flat bar, commonly used for platforms, trench
gratings, and stair treads.
This size is US standard.
Standard descriptions:
| 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 |
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