ʻO ke kila kila kila ASTM A312 Tp321 kahi metala titanium i hoʻopaʻa ʻia. Ua hoʻolālā ʻia ka Paipu Welded SS 321 i hana ʻia ma lalo o ka kikoʻī ASTM A312 e kūʻē i ka corrosion intergranular, ʻoi aku hoʻi i nā hoʻonohonoho wela kiʻekiʻe. Ma kahi mahana ma waena o 800 a 1500°F, ʻo nā papa kila kila austenitic i hoʻohana maʻamau ʻia e maʻalahi i ka chromium carbide precipitation, ʻaʻole like me ka ASTM A312 Gr.Tp321 nona ka ikaika kolo kiʻekiʻe a me nā waiwai haki stress. Eia kekahi, he mau waiwai paʻa maikaʻi ka Paipu Kila Kila 321 ʻoiai ma nā mahana haʻahaʻa.
Papa Paipu:TP321, AISI 321, EN 1.4541, UNS S32100
ʻAno Paipu:ʻAʻohe pono
ʻAno o ka Tube:Pololei, U Bend, ʻoki ʻia i ka lōʻihi
Hoʻopau ʻili:Hoʻoheheʻe ʻia ka hopena a me ka pickled (AP), ʻĀlohilohi ʻia ka Annealed (BA), Polished