ʻO ka ʻokoʻa ma waena o nā paipu seamless a me nā paipu kila i hoʻopaʻa ʻia

1. Nā mea like ʻole:
*Paipu kila i hoʻoheheʻe ʻia: ʻO ka paipu kila i hoʻoheheʻe ʻia e pili ana i kahi paipu kila me nā ʻili i hana ʻia ma ke kulou ʻana a me ka hoʻololi ʻana i nā ʻāpana kila a i ʻole nā ​​​​papa kila i nā ʻano poepoe, huinahā, a i ʻole nā ​​​​ʻano ʻē aʻe, a laila hoʻoheheʻe. ʻO ka billet i hoʻohana ʻia no ka paipu kila i hoʻoheheʻe ʻia he papa kila a i ʻole kila ʻāpana.
*Paipu kila humuhumu ʻole: He paipu kila i hana ʻia me kahi ʻāpana metala hoʻokahi me ka ʻole o nā hono ma ka ʻili, i kapa ʻia he paipu kila humuhumu ʻole.

2. Nā hoʻohana like ʻole:
*Nā paipu kila i hoʻoheheʻe ʻia: hiki ke hoʻohana ʻia e like me nā paipu wai a me ke kinoea, a hoʻohana ʻia nā paipu i hoʻoheheʻe ʻia me ke kaula pololei nui no ka halihali ʻaila a me ke kinoea kiʻekiʻe, a pēlā aku; Hoʻohana ʻia nā paipu i hoʻoheheʻe ʻia me ka wili no ka halihali ʻaila a me ke kinoea, nā paila paipu, nā pou alahaka, a pēlā aku.
* Paipu kila humuhumu ʻole: hoʻohana ʻia no nā paipu ʻeli honua petroleum, nā paipu haki no nā petrochemicals, nā paipu paila, nā paipu hali, a me nā paipu kila kūkulu kiʻekiʻe no nā kaʻa, nā tractors, a me nā mokulele.

3. Nā hoʻokaʻawale like ʻole:
*Nā paipu kila i hoʻopaʻa ʻia: Wahi a nā ʻano hana hoʻopaʻa like ʻole, hiki ke hoʻokaʻawale ʻia i nā paipu i hoʻopaʻa ʻia i ke arc, nā paipu i hoʻopaʻa ʻia i ke alapine kiʻekiʻe a i ʻole ke alapine haʻahaʻa, nā paipu i hoʻopaʻa ʻia i ke kinoea, nā paipu i hoʻopaʻa ʻia i ka umu, nā paipu Bondi, a pēlā aku. Wahi a kā lākou hoʻohana ʻana, ua hoʻokaʻawale hou ʻia lākou i nā paipu i hoʻopaʻa ʻia maʻamau, nā paipu i hoʻopaʻa ʻia i ke galvanized, nā paipu i hoʻopaʻa ʻia i ka oxygen, nā lima uea, nā paipu i hoʻopaʻa ʻia i ka metric, nā paipu wili, nā paipu pamu hohonu, nā paipu kaʻa, nā paipu hoʻololi, nā paipu paia lahilahi i hoʻopaʻa ʻia, nā paipu ʻano kūikawā i hoʻopaʻa ʻia, a me nā paipu i hoʻopaʻa ʻia i ka wili.
*Nā paipu kila humuhumu ʻole: Ua māhele ʻia nā paipu humuhumu ʻole i nā paipu ʻōwili wela, nā paipu ʻōwili anu, nā paipu huki anu, nā paipu extruded, nā paipu luna, a pēlā aku. Wahi a ke ʻano ʻokiʻoki, ua māhele ʻia nā paipu kila humuhumu ʻole i ʻelua ʻano: poepoe a me ke ʻano ʻē. Loaʻa i nā paipu ʻē nā ʻano paʻakikī e like me ke ʻano huinaha, elliptical, triangular, hexagonal, melon seed, star, a me nā paipu finned. ʻO ke anawaena kiʻekiʻe loa, a ʻo ke anawaena haʻahaʻa loa he 0.3mm. Wahi a nā kumu like ʻole, aia nā paipu pā mānoanoa a me nā paipu pā lahilahi.