Modular Support Systems Technical Guide, Edition 2
5.0 Reference
5.1 General Information for Load Tables
Gauge Wall Thickness
The following tables are for information only.
For uncoated steel, reference ASTM A568 / A568M, for mill galvanized steel reference ASTM A924 / A924M.
Standard Gauge Number
Uncoated Steel
Equivalent Thickness( in)
Equivalent Thickness( mm)
20 0.0359 0.912
19 0.0418 1.062 18 0.0478 1.214 17 0.0538 1.367 16 0.0598 1.519 15 0.0673 1.709 14 0.0747 1.897 13 0.0897 2.278 12 0.1046 2.657 11 0.1196 3.038 10 0.1345 3.416
195