ʻO ke kaʻina hana nui o ka paipu paʻa kiʻekiʻe: ka hoʻomehana billet, ka paipu perforated, ka hoʻonui ʻana o ka paipu.

Hiki ke ʻōlelo ʻia ke ʻano o ka hana ʻana Billet heating perforation heat tie pickling cold drawn carbon kuni ʻoki poʻo spray subscript hoʻopau i hoʻopaʻa ʻia i hoʻokahi ʻano o ka paipu kila seamless i hōʻike ʻia i kēlā: plurality o ka olokaa ku ana i olokaa i ka olokaa kuhikuhi o kekahi okoa hoʻonohonoho o ka lehulehu mau mandrel wili, i loko o ia he seamless kila paipu manufacturing laina no ka olokaa ana ma hope o ana paipu circumferential kuhikuhi ma hope o ka olokaa ana ma luna o ka multi-point, e like me ke ana hopena, ma li'ili'i loa e ho'omalu i nā kūlana o nā wēlau o ka lā'au wili mandrel ke kumu o ka wili wili hope, no laila, 'a'ole i like ka mānoanoa o ka pā. ʻO ka maʻamau o ka paipu huila> ka paipu huila> ka paipu huila> kiʻekiʻe ka hoʻopili ʻana i ka paipu kila ʻole i ʻōlelo ʻia e ke kila kalapona maʻamau, ke kila kalapona kiʻekiʻe, ke kila kila a me ke kila haʻahaʻa haʻahaʻa haʻahaʻa maʻamau no ka hana ʻana i ka pipeline lawe wai a i ʻole ka hana hana, hoʻohana ʻia nā ʻāpana. ʻO ke anawaena paipu kiʻekiʻe a me ka mānoanoa o ka paia i loaʻa, aia nā ʻano ʻano o ka mānoanoa o ka pā i ka like o waho anawaena, ʻo ka nui o ka nui o ka paipu kiʻekiʻe. ʻO ka maʻamau ka lōʻihi o ke kila, ʻo ka paipu wela 3-12.5m, ʻo ka paipu huki anu ('ōwili) he 1.5-9m.