SUS304 (SUS 'o ia ho'i ke kila kila no ke kila) kapa 'ia 'o austenite kuhili 'ole SS304 a i 'ole AISI 304 ma ka 'ōlelo Kepanī. ʻO ka ʻokoʻa nui ma waena o nā mea ʻelua, ʻaʻole ia he waiwai kino a i ʻole nā hiʻohiʻona, akā ke ala i ʻōlelo ʻia ai lākou ma United States a me Iapana.
Eia naʻe, aia nā ʻokoʻa mechanical ma waena o nā kila ʻelua. I kekahi laʻana, ua hoʻouna ʻia nā laʻana SS304 i loaʻa mai nā kumu US a me nā laʻana SUS304 i loaʻa mai nā kumu Iapana i hoʻouna ʻia i ka hale hana no ka hoʻāʻo ʻana.
ʻO SUS304 (JIS maʻamau) kekahi o nā mana i hoʻohana nui ʻia o ke kila kila. Aia ka 18% Cr (chromium) a me 8% Ni (nickel). Hiki iā ia ke hoʻomau i kona ikaika a me ke kūpaʻa wela ma nā wela kiʻekiʻe a haʻahaʻa. Loaʻa iā ia ka weldability maikaʻi, nā waiwai mechanical, ka hana anuanu a me ke kūpaʻa corrosion ma ka lumi wela. ʻO SS304 (ANSI 304) ʻo ia ka mea maʻamau i hoʻohana ʻia i ka wā e hana ana i nā mea kila kila ʻē aʻe, a kūʻai maʻamau ʻia ma lalo o ke anuanu a i ʻole nā mea annealing. E like me SUS304, SS304 kekahi 18% Cr a me 8% Ni, no laila ua kapa ʻia ʻo 18/8. Loaʻa i ka SS304 ka weldability maikaʻi, ka pale wela, ka pale ʻana i ka corrosion, ka ikaika haʻahaʻa haʻahaʻa, ka hana ʻana, nā waiwai mechanical, ʻaʻole paʻakikī ka mālama ʻana i ka wela, ke kulou ʻana, ka maikaʻi o ka hana isothermal. Hoʻohana nui ʻia ka SS304 i nā ʻoihana he nui, me ka meaʻai, ka lāʻau lapaʻau a me ka hana hoʻonaninani. Hoʻohui kemika o SUS304 a me SS 304
| SUS304 | SS304 | |
| (C) | ≤0.08 | ≤0.07 |
| (Si) | ≤1.00 | ≤0.75 |
| (Mn) | ≤2.00 | ≤2.00 |
| (P) | ≤0.045 | ≤0.045 |
| (S) | ≤0.03 | ≤0.03 |
| (Cr) | 18.00-20.00 | 17.50-19.50 |
| (Ni) | 8.00-10.50 | 8.00-10.50 |
ʻO ke kūpale ʻino o 304 kila kila E like me kā mākou i ʻike ai, hana maikaʻi ʻo 304 stainless steel ma nā ʻano lewa like ʻole a me nā media corrosive. Eia nō naʻe, i loko o kahi kaiapuni chloride mahana, ke ʻoi aku ka mahana ma mua o 60 ° C, hiki iā ia ke pitting corrosion, crevice corrosion a me ka corrosion stress. Ma ka mahana wela, ua manaʻo ʻia e hiki ke kū i ka wai inu i loaʻa a hiki i ka 200 mg/l chloride.Nā hiʻohiʻona kino o SUS304 a me SS304
Ua pili loa nā mea ʻelua i nā waiwai kino a me nā kemika, no laila maʻalahi ke ʻōlelo ʻana he mau mea like lākou. Pēlā nō, ʻo ka ʻokoʻa nui ma waena o nā ʻāina ʻelua ʻo ia ka hoʻohālikelike ma waena o ʻAmelika Hui Pū ʻIa a me Iapana. ʻO ia ke ʻano inā ʻaʻole i kuhikuhi ʻia nā lula kikoʻī a i ʻole nā koi e ka ʻāina a i ʻole ka mea kūʻai aku, hiki ke hoʻohana ʻia kēlā me kēia mea.
Ka manawa hoʻouna: Feb-09-2023
