ʻO ka paipu kila kuhili ʻole ma ka pā maoli
ʻO 304 nui ke anawaena o ka paipu kila kila he ʻano kila kila kiʻekiʻe e hiki ke pale aku i ka ʻinoʻino i ka ea a i ʻole ke kinikini corrosion medium. 304 kuhiliʻole kila paipu i nani ili a maikaʻi corrosion kū'ē. ʻAʻole pono ia e hoʻomaʻamaʻa i ka ʻili e like me ke kala kala, akā hāʻawi i ka pāʻani piha i ka hana ʻili o ke kila kila a hoʻohana ʻia i nā ʻano he nui o ke kila.
9% nickel, 19% chromium, kila kuhiliʻole, kila pale wela
Kāhea pinepine ʻia ke kila kila. Loaʻa nā waiwai o ka ʻelele he 13 chromium steel, 18-8 chromium nickel steel a me nā kila kila kiʻekiʻe. Mai ka hiʻohiʻona o ka metallography, no ka mea he chromium ke kila kila, ua hoʻokumu ʻia kahi kiʻi ʻoniʻoni chromium lahilahi ma luna o ka ʻili, kahi i hoʻokaʻawale ʻia mai ka oxygen i komo i loko o ke kila a pāʻani i ke ʻano o ka pale ʻana i ka corrosion. No ka mālama ʻana i ke kūpaʻa ʻino o ke kila kila, pono ke kila ma mua o 12% chromium. ʻO 304 kahi kila kuhili honua, i hoʻohana nui ʻia no ka hana ʻana i nā mea hana a me nā ʻāpana e koi ana i ka hana holoʻokoʻa maikaʻi (ke kūpaʻa corrosion a me ka formability). ʻO ka 304 stainless steel kahi hōʻailona o ke kila kila i hana ʻia e like me nā kūlana ASTM ʻAmelika. Ua like ka 304 me 0Cr19Ni9 (0Cr18Ni9) kila kila ma Kina. Aia ka 304 i ka 19% chromium a me 9% nickel. ʻO 304 ka mea hoʻohana nui ʻia ke kila kila a me ke kila wela. No ka meaʻai hana lako, Xitong kemika lako, nukelea ikehu, etc. kemikala haku mele kiko'ī o 304 kuhiliʻole kila C Si Mn ps Cr Ni (nickel) Mo SUS304 ≤ 0.08 ≤ 1.00 ≤ 2.00 ≤ 0.05 ≤ 0.03-20.05 ≤ 0.03-20.5
