It is thicker than 1/8th inch thick steel.
STANDARD STEEL .9119 MM. GALV.STEEL 1.0058
.0781 inches1.98 mm
26 GA. steel is 0.0179 inches thick.
No. The larger the number, the thinner the steel. 16 gauge is the thicker of the two.
26-gauge steel is 0.0179" thick.
.020"
Depends on what kind of steel: 18 Gauge Standard Steel is .0478 Inches. 18 Gauge Galvanized Steel is: 0.0516 inches thick. FYI 18 Gauge Aluminum is 0.0403 18 gage steel is 0.0478 inches thick 18 gage steel is 0.0478 inches thick
0.0938 inch or 2.38 mm.
A 21 Gage Steel plate is about 1/32 inch thick. Various charts put it at .032" to .033". That is for plain steel. Galvanized, aluminum and stainless have different measurements for the same gage.
No. A 12 gage shotgun shoots a larger charge than a 16 gage. Shotgun sizes were designated according to the number of steel balls that could be dropped into the barrel that would weigh a pound. 12 steel balls weighing one pound would be dropped into a 12 gage shotgun. Thus it is a larger size than a 16 gage. (Do not waste your money on a 16 gage shotgun, at least in the United States. You will have difficulty finding shells. You should get a 12 gage or a 20 gage.)
waterjet cutting (for up to 12" thick)... or machining.
12 gage
It depends on how thick of steel you're aiming to cut. But most job shops process steel with either laser cutting (for thin steel) or waterjet cutting (for up to 12" thick)... or machining.
10 Gage
No way to tell without more information.
10-1000 USD depending on specifics