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I kēia au o ka ʻimi mau ʻana i nā mea hou a me nā mea hana kiʻekiʻe, austenitic stainless steel ua lilo ia i hōkū hoʻohiwahiwa i ka ʻoihana hou ma muli o kona mau waiwai kino kū hoʻokahi, ka laulā o nā noi, a me nā mea maikaʻi ʻole. Ma kēia ʻatikala, e wehe mākou i ka mea pohihihi o ka austenitic stainless steel a e ʻimi austenitic stainless steel māka, nā hiʻohiʻona, a me nā pono.
He aha ka Austenitic Stainless Steel?
ʻO ke kila kila Austenitic he kila kila me ka chromium a me ka nickel e like me kāna mau mea hoʻohui nui, a ʻo kona haku ʻana he austenitic piha loa. ʻO kāna haku mele Cr18Ni8 (18-8), hiki ke hoʻololi hou ʻia i nā papa like ʻole. Hoʻomaikaʻi nui ka ʻike chromium kiʻekiʻe i ka pale ʻana i ka corrosion o ke kila, no ka mea, ua maʻalahi ka hoʻokumu ʻana o kahi papa pale chromium oxide ikaika loa ma ka ʻili.
No ka hoʻemi ʻana i ka paʻakikī o ke kila chromium, a hoʻomaikaʻi i kona plasticity a me ka paʻakikī, pono e hoʻohui ʻia ma ka liʻiliʻi he 8% nickel e hana i ke kila austenitic piha me ke ʻano o ke alo, hiki ke hoʻohana ʻia, hiki ke hoʻohana maʻalahi, a maikaʻi loa. nā mea wela kiʻekiʻe a me nā haʻahaʻa haʻahaʻa, no laila e loaʻa i kahi ākea o nā noi.
He aha nā ʻano o Austenitic Stainless Steel?
Hōʻike ʻia ʻo Austenitic stainless steel e ka chromium kiʻekiʻe a me ka nickel content. ʻO ka hana maʻamau o ka austenitic stainless steel he 18% chromium a me 8% nickel. Hāʻawi kēia mea hoʻohui i ke kila i kahi microstructure austenitic, e hāʻawi iā ia me ke kūpaʻa corrosion maikaʻi loa i hoʻohālikelike ʻia me nā mea kila kila ferritic a me martensitic. ʻO ka maʻiʻo kiʻekiʻe o ka chromium e hāʻawi pū i ka austenitic stainless steel i kahi kiʻekiʻe o ka pale wela. unuhi i ka ʻōlelo Pelekania.
Austenitic Stainless Steel Māka:
Hoʻokaʻawale ʻia ʻo Austenitic stainless steel i 200 a me 300 series, loaʻa iā 16% a 30% chromium a me 2% a 20% nickel e hoʻomaikaʻi i ka maikaʻi o ka ʻili, formability, corrosion resistance, a me ke kūpaʻa ʻaʻahu. ʻO nā ʻāpana austenitic maʻamau ka helu 304 a me 316.
Kaulana ʻē aʻe austenitic stainless steel māka komo pū 304L, 316L, 309S, 310S, 317L, 321, 347H.
Loaʻa i ka Austenitic Stainless Steel Grades: 301, 304, 304L, 304LN, 321, 347, S30430, 316, 316L, 316LN, S31653, 316Ti, 317L.
He aha nā mea maikaʻi o Austenitic Stainless Steel?
ʻO ke kila kila Austenitic he kila kuhiliʻole i loaʻa ka austenite. ʻO Austenite kekahi ʻano hao i kūpaʻa i nā wela kiʻekiʻe. ʻO kēia ka mea i kūpono i ka austenitic stainless steel no nā noi kahi e maʻa mau ai nā mahana kiʻekiʻe, e like me nā wahi ʻoihana.
Austenitic kuhiliʻole kila no hoi kiʻekiʻe corrosion kū'ē. He mea kūpono kēia no nā noi kahi e hopohopo ai ka corrosion, e like me ka hoʻoponopono ʻana i ka meaʻai a i ʻole nā mea lapaʻau. Austenitic kuhiliʻole kila no hoi non-magnetic. He mea kūpono kēia no nā noi ʻaʻole koi i nā mea magnetic, e like me nā mea uila.
Nā mea hou aku e pili ana i Austenitic Stainless Steel
Hiki i ke kila kila Austenitic ke kūpilikiʻi i ka ʻinoʻino intergranular. ʻO ka hoʻohana ʻana i nā ʻāpana kalapona haʻahaʻa haʻahaʻa, ka hoʻohui ʻana i nā mea e hana maʻalahi i ka carbide (titanium), a me ka hoʻohana ʻana i ka lāʻau hoʻonā paʻa, ʻo ia nā hana kūpono a pau e pale ai i ka corrosion intergranular.
He mea ʻino loa nā ion Chloride i ke kila kuhili ʻole austenitic a e hoʻomāhaʻi ʻia ke koʻikoʻi. No laila, ʻo nā ʻāpana e hoʻopaʻa i ke koʻikoʻi tensile a hui pū me nā ion chloride (e like me nā moku kaomi) pono e hoʻemi nui i nā ion chloride i loko o ke kikowaena, a i ʻole e hoʻohana i ke ʻano annealing e hoʻopau i ke koʻikoʻi koena.
Panina
Mahalo iā ʻoe no ka heluhelu ʻana i kā mākou ʻatikala a manaʻolana mākou e hiki ke kōkua iā ʻoe e ʻike i ka austenitic stainless steel māka, nā hiʻohiʻona, a me nā pono ʻoi aku ka maikaʻi. Inā makemake ʻoe e ʻike hou aku e pili ana austenitic stainless steel māka, makemake mākou iā ʻoe e kipa Kinohi Pilikino Sino.
Ma ke ʻano he mea hoʻolako kiʻekiʻe o nā huahana stainless steel, Kinohi Pilikino Sino hāʻawi i nā mea kūʻai aku me nā huahana kila kuhili kiʻekiʻe e like me nā wili kila kila, paipu kila kalapona, nā ʻili kila kuhili ʻole, nā ʻili ʻili kila, uea kuhiliʻole, a nā pahu kila kila ma ke kumu kūʻai hoʻokūkū loa.