SSAW Steel Pipe sa proseso sa produksiyon, kinahanglan naton hatagan pagtagad ang sunud-sunod nga mga butang. Except for the following test items, according to the API standard and other relevant standards and the special requirements of some users, but also the need for steel, steel pipe and other tests Destructive tests, including physical and chemical properties of the raw materials into the plant sampling, visual inspection of 100% steel .