There are many types of stainless steel, and the price difference is also relatively large. From the point of view of production methods, there are plate types, casting types, and forging types. In general, the types of plates are cheaper, because most of the stainless steel plates are It is mass-produced, and the cost is lower. The cost of castings varies according to the complexity of the structure. Forgings are processed on the basis of stainless steel ingots, so the price is higher than that of ordinary cast stainless steels.

Stainless steel Thimbles is commonly used in building basements to protect pipes or iron rings that facilitate pipe installation.

Classification of casing: Rigid casing, flexible waterproof casing, steel tube casing, and metal casing.