What is the maximum span for steel grating?
There is no universal maximum span. The permitted clear span depends on material, bearing-bar section, pitch, support, restraint, load type and the project's deflection criterion. Use a table or calculation that matches all of those inputs.
For walkways, serviceability can control before strength. The governing project specification should state the acceptable deflection or performance criterion; an additional support or different bar may be considered by the responsible engineer.
Provide the clear span, support condition, load cases and governing criterion so candidate products can be compared. Final selection remains subject to project engineering approval.
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