Product Name | Galvanized steel stair treads |
Material | Low carbon steel |
Grade | CN: Q235, US: A36, UK: 43A |
Standard | CN: YB/T4001-1998, US: ANSI/NAAMM, UK: BS4592-1987, AS1657-1988, JJS |
Certification | CE, GOST, ISO9001, ISO14001, HSE |
Bearing bar size
| 20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4... 75X8mm, etc |
Bearing bar pitch
| 20,25,30,32.5,34.3,40,50,60,62,65mm |
Bearing bar type | Plain, Serrated (tooth-like), I bar (I section), Serrated-I |
Cross bar size | 5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar) |
Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc. |
Surface treatment | Hot Dip Galvanized |
Galvanization Standard | CN: GB/T13912, US: ASTM (A123), UK: BS729 |
Color | Silver |
Application | power plants, shipbuilding, large equipment, industrial constructions |