Stainless steel goods are always very popular in life of us. We can see them in many places. We also can use them to make many types of products. Stainless steel materials are used in our life with many functions.

When producing pipe, if outer diameter is above 20mm, and wall thickness is under 4.5mm, it it better to make welded pipe but not seamless pipe since welded pipe is cheaper and more easily to be made than seamless pipe. So, we know that 4.0 mm thickness small diameter stainless steel pipe Is usually produced as welded pipe.

Stainless steel pipe can be divided into different kinds and types according to the application. Usually, 200 series, such as 202 stainless steel, 201 stainless steel are very famous and normal.

4.0 mm thickness small diameter stainless steel pipe is a kind of type in stainless steel pipe. It has good corrosion, strength and mechanical propoties, heat resistance at low temperature.