Hōʻike huahana:
ʻO ka paipu pāhaʻi he ʻāpana ʻāhaʻi ʻaʻa ʻaʻa māmā i ka paipu kila lahilahi, ʻike ʻia hoʻi me ke kila refrigeration bending profile.He mea ʻōwili wela a i ʻole ʻōwili anu a i ʻole ʻōwili e like me ke kumu kumu e ka hoʻoheheʻe ʻana i ke anu anuanu a laila hana ʻia me ka nui o ka nui o ka nui o ka nui o ke kila.Koe wale no ka mānoanoa o ka paia a me ka mānoanoa, ka nui kihi a me ka smoothness o kaʻaoʻao a pau hiki a oi aku paha i ka pae o ke kū'ē welded anuanu hana huinaha paipu.ʻO nā waiwai mechanical piha, weldability, anu a me ka wela machining waiwai a me ka corrosion kūpaʻa maikaʻi, me ka maikaʻi haʻahaʻa wela toughness.
ʻO ka hoʻohana ʻana i ka paipu, ka hana mīkini, nā hana hana kila, ka hana moku, kākoʻo i ka mana o ka lā, ka ʻenekinia hale kila, ka ʻenekini uila, ka mana uila, ka mahiʻai a me nā mīkini kemika, ka paia pale aniani, chassis kaʻa, ke kahua mokulele, ke kūkulu ʻana i ka paila, nā alaloa, nā hale. ke kūkulu ʻana, nā moku kaomi, nā pahu mālama aila, nā alahaka, nā lako mana, nā mīkini hoʻokiʻekiʻe a me nā ukana kiʻekiʻe o ka hoʻolālā welding, etc.