What are the technical requirements for stainless steel pipes
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What are the technical requirements for stainless steel pipes
(1) Good corrosion resistance. The most basic requirements for stainless steel tube is corrosion resistance, that is, according to the use of different conditions, requiring steel pipe can withstand general corrosion, intergranular corrosion, point corrosion, stress corrosion. For the largest amount of austenitic stainless steel tube, resistance to intergranular corrosion is often the most basic requirements.
(2) Good processing performance differences. Stainless steel tube in the use of the process, most of the need for elbow, expansion and other processing, anti-corrosion steel pipe, so the steel pipe has a good flattening, flaring and other work performance.
(3) chemical properties. The chemical composition of steel and P, the maximum content of S and test methods.
(4) the physical and mechanical properties of the steel structure: the metallurgical structure, mechanical properties and technological properties of the steel.
(5) inspection standards. Requirements for inspection items, sampling locations, sample shapes and dimensions, test conditions and methods, etc.. In the production of stainless steel pipe in addition to conventional test items, and sometimes need to carry out some of the process performance test.
