Customization: | Available |
---|---|
Transport Package: | Regular Exporting by Steel Belt |
Specification: | YB/T4001 or NAAMM or BS4592 or JJS |
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Jiulong Hot dipped Galvanized Grating Stair Treads Staircase with Slip Resistant Nosing
Load Bearing Bar Pitch | Recommended Width | ||||||
30 | 125 | 155 | 185 | 215 | 245 | 275 | 305 |
40 | 125 | 165 | * | 205 | 245 | 285 | 325 |
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 |