Every type of wok will work for your stir-frying, steaming, or frying needs, except teflon, which should not be used for frying. The different materials of woks are : [substeps] Cast iron.
[header] How to buy a wok [title] Choose a material. [step] Woks are made out of several different materials, though the traditional wok is made of cast iron. Each material has its own advantages and disadvantages.