Loaʻa i ka paipu hao a me ka paipu humuhumu ʻole ka pilina a me ka ʻokoʻa, ʻaʻole hiki ke huikau. ʻO ka paipu hao ka paipu kila e like me ka mea hana (ʻo ia hoʻi, ka mea) e wehewehe ai, e like me ka inoa e hōʻike nei ua hana ʻia me ka paipu hao; Ua wehewehe ʻia ka paipu humuhumu ʻole e like me ke kaʻina hana (humuhumu ʻole) o ka paipu kila, kahi ʻokoʻa mai ka paipu humuhumu ʻole, me ka paipu humuhumu pololei a me ka paipu wili.

ʻO ka paipu kila kila A335P5 no ka paipu kila kila i hoʻohana nui ʻia nopaila kaomi haʻahaʻa a me waena(ʻaʻole ʻoi aku ke kaomi hana ma mua o 5.88Mpa, ma lalo o 450 ℃ ka mahana hana) paipu hoʻomehana ʻilikai; Hoʻohana ʻia nopaila kaomi kiʻekiʻe(ʻoi aku ka nui o ke kaomi hana ma mua o 9.8Mpa, a ma waena o 450℃ ~ 650℃ ka mahana hana) no ka paipu hoʻomehana ʻili, ka economizer, ka superheater, ka reheater, ka paipu ʻoihana petrochemical, a pēlā aku.

ʻO nā mea hana ʻē aʻe: 16-50Mn, 27SiMn, 40Cr, Cr5Mo, 12Cr1MoV, 12Cr1MovG, 15CrMo, 15CrMoG, 15CrMoV, 13CrMo44, T91, 27SiMn, 25CrMo, 30CrMo, 35CrMo, 35CrMoV, 40CrMo, 45CrMo, Cr9Mo, 10CrMo910, 15Mo3,A335P11P22, P91, a me T91.