1.ISO9001:2008 quality systems 2.4 running lines. 3. Delivery:7-30days 4.Availability:20,000tons/year
Wanjie Compound steel grating is a product made of the grating with the span bearing capacity and checked plate with the sealed surface . Widely used in large-span and inclosed platform, walkway, equipment installation and manhole closed.
It can be made of any specification of steel grating and checked plate of any thickness.
The most commonly used compound steel grating is made of steel grating of G323/40/100 and checked plate of 3mmor 4mm.
Our company has improved manufacturing and galvanization process to ensure the shape unchanged after the galvanization.
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 |
Bearing bar centers at 20mm:
This kind of fine mesh steel gratings have strong load ability and also can prevent the access of sundries of 18mm in diameter. This kind of gratings fit for pedestrian deck, walkway and ditch covers which require high security.
Notes: common welding standard: single-side full welding every 6 bearing bars.
Bearing bar centers at 30mm:
This kind of steel grating is the most commonly used in projects with American, Australian, Japan standards are available. This kind of gratings are featured well by heavy-duty, well resistance of strong impact on surface. Gratings with cross bar centers at 50mm can bear lateral impact well. This kind of steel grating fit for all kind of industrial platforms.
Notes: common welding standard: single-side full welding every 5 bearing bars.
Bearing bar centers at 40mm:
light grating and very economical. This kind of gratings fit for fixed platforms, walkway, and stair treads and British, German,French and Japanese standards are available. The products most commonly used for Belt corridor, storage shelf,Attic panel, trestle, guardrail, sunshade gate, etc.
Notes: common welding standard: single-side full welding every 4 bearing bars.
Bearing bar centers at 60mm:
This kind of steel gratings are especially used for mining industries. It can solve the problem that mineral splashing down and stacks on the walkway. This product usually used for mineral miningand processing and it is the best choice for workshop, meeting room and suspended ceiling of stadium in terms of it's light weight.
Notes: common welding standard: single-side full welding every 3 bearing bars.
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.
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