Region: AU  CN Asia

Manufacturing & Tolerances

Manufacturing Tolerances

Webforge's global manufacturing sites work to exacting quality standards. The following information provides guidance on the acceptable manufacturing tolerances for grating.
tolerances

Mild / Stainless Steel

tolerance_table_steel








Aluminium

tolerance_table_aluminium

Tolerances FRP

FRP


tolerance_table_frp
tolerances_Expanded

Expanded



tolerance_table_expanded

Transverse Bow

Mild/Stainless Steel

transverse_bow_steel











Aluminium

transverse_bow_aluminium

Longitudinal Bow

Mild /Stainless Steel

longitudinal_bow_steel









Aluminium

longitudinal_bow_aluminium



Fabrication Welding

Banding bars and attachments are welded with minimum 3mm fillet welds to one side of:
  • every 5th load bar on A & B Pattern grating
  • every 4th load bar on C & D Pattern grating
  • every 3rd load bar on F Pattern grating

Other welding is applied to cut-outs, splays or circles as appropriate or as requested.

Cross Rod Location Load Bar Lean

Cross Rod Alignment and Spacing

Stair Tread Tolerance

cross_rod_location_and_load_bar_lean
cross_rod_alignment_and_spacing
stair_tread_tolerance

MonowillsTM Stanchion Tolerance

Pipe Sizes

The tolerances for pipes will depend on the pipe specification that is used.
  1. Variations in cross section
    Specified OD up to 50mm +/- 0.2mm
    Over 50mm OD to 75mm +/- 0.25mm
  2. Variations in thickness +/- 10%

Base Plates

All dimensions +/- 1mm
Thickness +/- 0.2mm

Sphere Drilling

Drilled diameters 2 to 4mm oversize
Hole Angle +/- 1º in any direction (any 2 axis)
All stanchiones (except AM) +/- 0.5º in the slope direction only



Webforge_Monowills tolerance

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Webforge Asia operates throughout the Asia Pacific region in locations such as  India, New ZealandSingapore, Philippines, Indonesia, Thailand, Vietnam, Malaysia, China, and Australia.