44 lbs
The shape of a curling bar makes hold the bar much easier. You get a more secure grip than a straight bar when dealing with free weights.
42 lbs.
An Olympic bar weighs 45lbs.
125
An ingot is the same thing as a gold bar. A gold bar is a bar, that is made out of solid god. They typically weigh 438.9 ounces.
1 kilo
32 grams.
The weight varies--a couple pounds or so. if you have a bar, the weight of the bar will be printed right on the bar.
20kg
2 ounces
A standard bar weights 20 pounds.