Nerūsējošā tērauda caurule ir sava veida dobs garais apaļais tērauds, ko plaši izmanto rūpniecības transmisijas cauruļvados un
mechanical structural components such as petroleum, chemical industry, medical treatment, food, light industry, machinery and instruments, etc. In addition, when the bending and torsional strength are the same, the weight is light, so it is “also widely used in the manufacture of mechanical parts and engineering structures. It is also commonly used as furniture, kitchenware, etc. In the standard of stainless steel pipe, Brinell hardness is the most widely used. The hardness of the material bieži tiek izteikts ar ievilkuma diametru, kas ir intuitīvs un ērts.