| Material | Mild steel / carbon steel / stainless steel+abrasive plate: Q235B, ASTM A36, S275JR etc. |
|---|---|
| Specification |
All stair treads can be customized Bearing bar: 20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4... 75X8, 100X8mm, etc Bearing bar pitch: 12.5, 22, 25.4, 30, 34, 40, 41, 60mm etc. Cross bar: 5mm,6mm,8mm, round or twisted bar Cross bar pitch: 33mm, 38mm 50mm, 76mm, 100mm |
| Surface Treatment | Untreated, hot DIP galvanized, cold DIP galvanized, painted, powder coated, pickling, electrolytic polishing, or as customers' requirement. |
| Galvanized Standard | ISO 1461; ASTM A123; GB/T13912:2002 |
| Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
| Package | Seaworthy package |