How much does a 55 gallon steel drum hold?

A 55 gallon steel drum holds 55 US gallons, about 208 liters. Leave some headspace when filling liquids to allow for expansion.

What is the difference between 1A1 and 1A2 steel drums?

1A1 is a tight head steel drum with a fixed top and bung fittings. 1A2 is an open head drum with a removable cover and ring. The rest of the UN code tells you the packing groups and limits the drum is approved for.

Are your steel drums food grade?

These steel drums are intended for industrial use, and several product pages state they are not FDA compliant. For food, beverages or drinking water, choose new food-grade plastic drums or new IBC totes instead.