304 Kowiri tira Pae Porohita

Ko te 304 he kowiri tira maeneene e pa ana ki te mata maeneene, ka tukatukahia ma te whakaoti i te hurihuri, te tihorea, te whakakorikori tuhi matao ranei; he maha nga wa e whakamahia ana i roto i nga momo matū, kai, pueru me etahi atu taputapu miihini me etahi kaupapa whakapaipai. Ko te mea e kiia nei ko te 304 he kowiri tira pango a tawhio noa, ko te 304 he kowiri tira (te rakau pango) e pa ana ki te maitai porotaka he pango, he taratara te mata, he wera-takataka, he mea hanga, he reera ranei me te kore e tukatuka i te paparanga waikura i runga i te mata.

304: 18-8 he kowiri tira, ko te tohutoro GB tohu ko 0Cr18Ni9; Paerewa whakatinana paerewa Amerika: ASTM A276.

GB: C≤0.07; Si≤1.0; Mn≤2.0; P≤0.045; S≤0.03; Ni: 8.0-11.0; Kr: 17.0-19.0

ASTM: C≤0.08; Si≤1.0; Mn≤2.0; P≤0.045; S≤0.03; Ni:8.0-11.0; Kr:18.0-20.0

Ko te 304 kowiri tira ko te chromium-nickel kowiri tira tino whakamahia, he pai te parenga waikura, te wera wera, te kaha iti o te pāmahana me nga taonga miihini. He ātete ki te pirau i te hau. Mena he waahi ahumahi, he waahi tino poke ranei, me horoi i te waa kia kore ai e pirau. [1]

E ai ki te tukanga whakaputa, 304 kowiri tira maitai a tawhio noa kua wehea ki toru momo: okeoke wera, whawhati me te tuhi matao. Ko te 5.5-130 mm te tohu o te wera-hurihia 304 kowiri tira porohita. I roto ia ratou: 5.5-25mm iti 304 kowiri tira a tawhio maitai te nuinga whakaratohia i roto i takai tika, he maha whakamahia rite tutaki maitai, tutaki me te maha o nga waahanga miihini; i roto ranei i te ahua porowhita, hei hua ahua-oti mo te tukatuka ano. Ko te 304 he kowiri tira kowiri tira he nui ake i te 25 mm te nuinga ka whakamahia ki te hanga i nga waahanga miihini, ki te tarai ranei i nga pire ngongo maitai. [2]

304 te kowiri tira a tawhio noa te taimaha taimaha tātai tātai ariā:

Taumaha mo ia mita (kg) = diameter * diameter * 0.00623