ʻO ka Tube Seamless Bright Annealed (BA)

ʻO ka annealing mālamalama kahi hana annealing i hana ʻia i loko o kahi vacuum a i ʻole kahi lewa i kāohi ʻia e loaʻa ana nā kinoea inert (e like me ka hydrogen). Hoʻemi kēia lewa i kāohi ʻia i ka oxidation o ka ʻili i ka liʻiliʻi loa e hopena ai i kahi ʻili mālamalama a me kahi papa oxide lahilahi loa. ʻAʻole pono ka pickling ma hope o ka annealing mālamalama no ka mea he liʻiliʻi ka oxidation. No ka mea ʻaʻohe pickling, ʻoi aku ka laumania o ka ʻili e hopena ai i ka pale ʻana i ka pitting corrosion.

Mālama ka mālama ʻālohilohi i ka laumania o ka ʻili i ʻōwili ʻia, a hiki ke loaʻa ka ʻili ʻālohilohi me ka ʻole o ka hana hope. Ma hope o ka annealing ʻālohilohi, mālama ka ʻili o ke paipu kila i ka luster metala mua, a ua loaʻa kahi ʻili ʻālohilohi kokoke i ka ʻili aniani. Ma lalo o nā koi laulā, hiki ke hoʻohana pololei ʻia ka ʻili me ka ʻole o ka hana ʻana.

I mea e pono ai ka annealing ʻālohilohi, hoʻomaʻemaʻe mākou i nā ʻili o ka paipu a ʻaʻohe mea ʻē ma mua o ka annealing. A mālama mākou i ka lewa annealing umu i ka ʻole o ka oxygen (inā makemake ʻia kahi hopena ʻālohilohi). Hoʻokō ʻia kēia ma ka wehe ʻana i nā kinoea āpau (hana ʻana i kahi vacuum) a i ʻole ma ka hoʻoneʻe ʻana o ka oxygen a me ka nitrogen me ka hydrogen maloʻo a i ʻole argon.

Hoʻopuka ka vacuum bright annealing i ka paipu maʻemaʻe loa. Hoʻokō kēia paipu i nā koi no nā laina hoʻolako kinoea maʻemaʻe loa e like me ka laumania o loko, ka maʻemaʻe, ka hoʻomaikaʻi ʻana i ke kūpaʻa ʻana i ka pala a me ka hoʻemi ʻana i ka hoʻokuʻu ʻana o ke kinoea a me nā ʻāpana mai ka metala.

Hoʻohana ʻia nā huahana i nā mea hana pololei, nā lako lapaʻau, ka pipeline maʻemaʻe kiʻekiʻe o ka ʻoihana semiconductor, ka pipeline kaʻa, ka pipeline kinoea hoʻokolohua, ka aerospace a me ke kaulahao ʻoihana hydrogen (kaomi haʻahaʻa, kaomi waena, ke kaomi kiʻekiʻe) Ultra high pressure (UHP) stainless steel paipu a me nā mahina ʻē aʻe.

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