ʻO ka 200 Series of Stem Steels

Ua hānauʻia kēiaʻohana o nā kumulāʻau mai ka pono e mālama i ka nickel

Hoʻohana pinepineʻia nā kinikini inoino he 200 stainless steel. ʻOihana c / o ka Nickel Institute

ʻO ka 200 series he papa o nā mea'ūlū austetitic (kino kiʻekiʻe) a me nā'āpana'ōpū e hōʻikeʻia ana e ka lihi o ka nickel haʻahaʻa. Ua kapaʻia kēia mau mea heʻano'āpana chrome-manganese (CrMn).

ʻO nā'okena Austenitic,ʻo ia hoʻi ka pūnaewele he 200 a 300 paha, ua ho'ākākaʻia ma ko lākou kikoʻoki pūpū i kauʻia. ʻO ia keʻano, he hoʻokahi anana ka pa aniani i kēlā kihi a me kēia kihi o ka pahu a hoʻokahi i waena o kēlā me kēia maka.

Ke kū'ē nei kēia i nā'ekene ferritic, iʻikeʻia e kahi hanana pūpū i hoʻohuiʻia.

Ka hoʻokumuʻana i 200 mau huiwai kōpana

ʻO Nickel ka mea i hoʻohana nuiʻia e hana i kēia keleponaʻeleʻele, akā naʻe i ka hapa o ka nickel o ka Honua II o ka Honua i ka hoʻololiʻia o ka hauʻoli no ka nickel i ka hanaʻana i kekahi mau'ūpili'ūpili kūʻokoʻa austenitic. Ua hānauʻia nā 200 hua hananā hao.

ʻOiai ka hoʻolimalimaʻia o ka haupiʻi i ke kila, e hanaʻia hoʻi kahi'ōpili pūpū i ke kikowaena, e hopena i nā kime nitride kino a hoʻonuiʻia ka poli kahe. ʻO ka hoʻohuiʻana o ka manganese hiki ke hāʻawiʻia aku ka nui o kaʻaila i ka laulima, akāʻaʻole hiki ke hoʻopau loaʻia ka nickel mai ke kinikini. ʻO nā huaʻeleʻele 200 he nui, no laila, uaʻikeʻia ko lākouʻano hauʻoli a me ka manganese.

ʻO ka hana a me ke koiʻana i nā koʻiʻonika nickel i hōʻea i nā makahiki 1980, e like me ka hoʻolālāʻana o ke kumukūnikini a me ka hoʻoikaikaʻana i ka hoʻohanaʻana i ke kinona.

ʻO ke kumu o ka uluʻana i ka ulu nui ma India. ʻO'Asiaia kahi kumu nui no, a me ka mea kūʻai o kēiaʻohana o nā pū.

Nāʻano o ka 200 Series of Stainless Steels

ʻOiai ke kūpikipikiʻinoʻino, he 200 ka nui o ka papahana no ka palekanaʻana i kaʻinoʻino, kahi e ulu ai i nā'ōpuni ka nui o ka wai a me ke kinona, a me keʻano o ka corrosion, e hopena ai i nāʻanoʻeleʻele wai a me ka nui.

ʻO ke kumu kēia, no ka mea, i emi iho ai kaʻenehana nickel, pono e hoʻemiʻia ka hoʻolālā chromium, no laila e hoʻohaʻahaʻa i ke kūpuniʻino.

He 200 mau aniani'onila ka nui o ka hopena a me ka paʻakikī maikaʻi,ʻo ka haʻahaʻa haʻahaʻa (even cryogenic). Heʻoi aku ka paʻakikī a me kaʻoi aku o ka ikaika ma mua o 300 mau kolamu paepae, ma muli o ka nui o ka meaolaola o ka meaola, e hana nei i mea hoʻoikaika. Ma muli o ko lākouʻano austenitic,ʻo kaʻelua 200 a 300 o nā huʻano hao he nuiʻole.

ʻOi aku kaʻoi aku o nā kumukūʻai austetitic ma mua o kā lākou mau kāpana ferritic, uaʻoi aku ka maikaʻi o ka 200 palani no ka hanaʻana ma mua o 300 mau kolamu ma muli o ko lākou nickel haʻahaʻa.

ʻO ka 200 series, akā, ua loaʻa i ka lactility kaʻoihana haʻahaʻa ma mua o 300 mau kānana kime, akā hiki ke hoʻomaikaʻiʻia kēia me ka hoʻohuiʻia o ke keleawe .

Nā noi no nā Hui Kūikawā 200

Ma muli o kona kūpilikiʻi hōʻinoʻia haʻahaʻa,ʻoi aku ka lōʻihi o nā noi no 200 mau kolaʻokoʻa ma mua o 300 mau kola hui. ʻAʻole ia e'ōleloʻia no ka hoʻohanaʻana i nā'ōmiko i loko o nā meaʻokoʻa.

ʻO kekahi o nā noi komo he 200 stainless steel including:

Papa Nā Hui Hana Hua
AISI UNS Pa Ni Mn N
304 S30400 18.0-20.0 8.0-10.5 2.0 max. 0.10 kekona. -
201 S20100 16.0- 18.0 3.5-5.5 5.5-7.5 0.25 kekona. -
202 S20200 17.0- 19.0 4.0-6.0 7.5-10.0 0.25 kekona. -
204 Kū S20430 15.5-17.5 1.5-3.5 6.5-9.0 0.05-0.25 2.0-4.0
205 S20500 16.5-18.0 1.0-1.75 14.0-15.5 0.32-0.40 -