1.ISO9001:2008 quality systems.
2. 4 running lines
3.Full range of steel gratings
Wanjie stair tread can be made by steel gratings of any specialization and the sizes are customized.In terms of the style and way of installation , our "Wanjie" stair tread can be divided into four kinds:
WT1: welding fixing stair tread without front plate nosing.
WT2: bolt fastening stair tread without front plate nosing(adopting 65*5mm plate as end bar).
WT3: welding fixing stair tread with front chequered plate nosing.
WT4: bolt fastening stair tread with front chequered plate nosing(adopting 65*5mm plate as end bar).
1. CERTIFICATE OF STEEL GRATING: ISO 9001:2008
2. Details:
Type | W-- welded steel grating L-- pressure-locked C-- socket-welding |
Bearing bar centers | 15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended. |
Cross bar centers | any greater than 30mm is ok. with 50, 100mm recommended. |
Surface treatment | G-hot-dip galvanization(G is usually omitted) P-painting U- untreated |
Bearing bar shape | F- plain surface (F is usually can be omitted) S-serrated surface I-the section is of ‘I’ type |
3. Specification & Marks
4. Maximum length of stair treads:
5. Recommended width of stair treads:
Remarks: bearing bar width is 5mm. As to 3mm in width, all the values in the form should subtract 2mm.
Advanced CAD system can provide perfect design information and drawing converting and 4 running lines can provide at least 20,000 tons per year.
6. End plate of stair tread
7.Tolerance of steel grating
Notes for ordering:
1. Please clearly state specifications, types, quantity and required surface treatment.
2. Please provide complete design-related layout plan, structural drawing, sectional view and joint drawing.
3. In the case of stair treads, please specify its type, length, width, quantity and surface treatment.
4. If any enquiries, please contact us.
