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Kowiri tira – Koeke 304LN (UNS S30453) ngongo ngongo / ngongo kapi

Kupu Whakataki

Kowiri tira kōeke 304 Ko te tino whakamahia nuitia kowiri tira.Ko te karaehe kowiri tira 304LN he putanga whakakaha hauota o te karaehe kowiri tira 304.

304LN ngongo ngongo ngongo kapi

Korekore he kowiri tira 304 te tino kowiri tira i whakamahia i roto i nga momo ahumahi.Ko ona ahuatanga motuhake, tae atu ki te aukati nui o te waikura, te mauroa pai, me te ngawari o te tito ka waiho hei whiringa pai mo te maha o nga tono.Heoi, mena kei te rapu koe mo te kaha ake me te uaua, katahi pea ko te karaehe kowiri tira 304LN te mea e hiahia ana koe.Ko tenei putanga hauota-whakakaha o te karaehe 304 he pai ake nga taonga miihini me te whakakaha ake i te aukati ki te waikura poka me te kapiti.Ahakoa kei te mahi koe i tetahi kaupapa e hiahia ana kia pai ake te mahi, kei te pirangi noa ranei koe ki te whakarite kia mau tonu te kounga o o hua, ko nga tohu e rua he tino painga he uaua ki te patu.Na he aha te whakatau mo tetahi mea iti iho i te pai?Whiriwhiria nga tohu kowiri tira 304, 304LN ranei i tenei ra!

304LN ngongo ngongo ngongo kapi

Ko te papanga raraunga e whai ake nei he tirohanga whanui mo te karaehe 304LN kowiri tira.

Hangahanga matū

304LN ngongo ngongo ngongo kapi

Ko te hanganga matū o te karaehe 304LN kowiri tira kei te raarangi e whai ake nei.

Huānga Ihirangi (%)
Chromium, Cr 18-20
Nickel, Ni 8-12
Manganese, Mn 2 max
Silicon, Si 1 mōrahi
hauota, N 0.1-0.16
Phosphorous, P 0.045 mōrahi
waro, C 0.03 te teitei
Sulfur, S 0.03 te teitei
Rino, Fe Te toenga

Nga Taonga Miihini

Ko nga ahuatanga miihini o te karaehe 304LN kowiri tira e whakaatuhia ana i te ripanga e whai ake nei.

Āhuatanga Inenga Imperial
Te kaha tensile 515 MPa 74694 psi
Te kaha tuku 205 MPa 29732 psi
Te whakaroa i te wehenga (i roto i te 50 mm) 40% 40%
Te pakeke, Brinell 217 217
Te pakeke, Rockwell B 95 95

Ētahi atu Tohunga

Ko nga rauemi rite ki te karaehe 304LN kowiri tira kei raro iho nei.

ASTM A182 ASTM A213 ASTM A269 ASTM A312 ASTM A376
ASTM A240 ASTM A249 ASTM A276 ASTM A336 ASTM A403
ASTM A193 (B8LN, B8LNA) ASTM A194 (8LN, 8LNA) ASTM A320 (B8LN, B8LNA) ASTM A479 ASTM A666
ASTM A688


ASTM A813


ASTM A814


DIN 1.4311



Nga tono

Ko te karaehe 304LN he kowiri tira e whakamahia ana i roto i nga tono e whai ake nei:

  • Nga whakawhiti wera
  • Te ahumahi matū
  • Te ahumahi kai
  • Te ahumahi hinu
  • Ahumahi hanga
  • Ahumahi karihi

Wā tuku: Apr-07-2023