ʻO ke kila kila 347 / 347H he ʻano austenitic o ke kila chromium, aia ka columbium ma ke ʻano he mea hoʻokūpaʻa. Hiki ke hoʻohui ʻia ʻo Tantalum no ka hoʻokō ʻana i ka stabilization. Hoʻopau kēia i ka ua carbide, a me ka corrosion intergranular i nā paipu kila. Hāʻawi nā ʻano paipu kila kila 347 / 347H ʻoi aku ka kiʻekiʻe o nā mea kolo a me ke kaumaha ma mua o ka papa 304 a me 304L. ʻO kēia ka mea kūpono iā lākou no ka hoʻolaha ʻana i ka sensitization a me ka corrosion intergranular. Eia kekahi, ʻo ka hoʻokomo ʻana o ka columbium e hiki ai i nā paipu 347 ke loaʻa i ke kūpaʻa corrosion maikaʻi loa, ʻoi aku ka maikaʻi ma mua o nā paipu 321 stainless steel. Eia nō naʻe, ʻo ka 347H kila ka mea kiʻekiʻe o ke kalapona hoʻohui i pani ʻia o ka paipu kila kila 347. No laila, hāʻawi ʻia nā paipu kila 347H i ʻoi aku ka maikaʻi o ka wela kiʻekiʻe a me nā waiwai kolo.
Ka manawa hoʻouna: Dec-10-2021