10 gauge: 3.57 mm11 gauge: 3.18 mm
19 gauge steel is 1.11 mm thick and 20 gauge is .953 mm thick.
0.1406 inches or 3.57 mm (USG).
1.27 mm
12 gauge is thicker than 14 gauge.
STANDARD STEEL .9119 MM. GALV.STEEL 1.0058
1.27 mm (USG)
.318 http://www.offroaders.com/tech/steel-gauge-thickness.htm
what is 9gauge in mm thickness
In Imperial standard (swg), 16 g is 0.064" (1.63mm) thick.
.953 mm (USG)
The thickness of 16 gauge steel in US standards is .0625 inches or 1.59 mm and according to UK standards is .065 inches or 1.651 mm.