Complaint
Good Quality Factory Price Customized Stair Tread with Ce Approval
Ningbo Jiulong Machinery Manufacturing Co.,Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50,000tons. Jiulong grating and related steel products have exported to more than 30 countries. Choose Jiulong grating is your right decision!
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 |
Longta stair tread is made of steel grating,& widely uaed in all steel ladder.Featuring easy installation,strong structure & aesthetic appearance,& good water permeability. We can fabricate in accordance with customers' requirment.
There are 8 types of stair treads distinguished by different nosing & installation.
| TYPE OF TREAD | NOSING | INSTALLS WAY |
| JT1 | Without Nosing | Welding fixing |
| JT2 | Bolted fixing | |
| JT3 | Checkered Plate Nosing | Welding fixing |
| JT4 | Bolted fixing | |
| JT5 | Vertical Striped Plate Nosing | Welding fixing |
| JT6 | Bolted fixing | |
| JT7 | Perforated Plate Nosing | Welding fixing |
| JT8 | Bolted fixing |
