Steel Stair Tread- GI Grating Stair

Specifications of Stair Tread:
1. Size: tread length by width, the length direction of tread refers to the width direction of ladder
2. Material: Q235 in line with GB/T700 steel, steel or stainless steel
3. Surface treatment: Hot-dip galvanizing, paint or other anti-corrosive coatings are available, of which hot-dip galvanizing is generally recommended
4. Standards: YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657 5. Bearing bar pitches can be 12.5, 15, 20, 30, 30.16, 32.5, 34.3, 40, 60mm, of which 30mm & 40mmare recommended

6. Cross bar pitches can be 38, 50, 60,100mm, of which 50mm & 100mm are recommended

 Features of Stair Tread:
– Easy installation
– Strong structure
– Aesthetic appearance
– Good water permeability
– Quality assurance