Mutsero wokugadzirwa kweSpiral Welded Pipe unoomerera kumipimo ye API nzvimbo inokosha munzvimbo yokugadzira, kunyanya mukati memazindaiti anoda mhinduro dzepamipi dzakakwirira. Uyu muitiro wokugadzira unoshandisa unyanzvi hwechienzi hunogovera betsero dzinoverengeka kupfuura mitoo yegamuchidzanwa. Munyaya ino, tichaongorora zvinhu zvinokosha zveunyanzvi, betsero dzokushanda,