AISI 316L igwe anaghị agba nchara Gearbox Housing site na itinye ego

Okwu Mmalite na Uru

Dị ka crystallization nke oge a ulo oru nkenke n'ichepụta technology, na AISI 316Ligwe anaghị agba nchara itinye ego nkedoỤlọ gearbox abụghị naanị na-egosi amara pụrụ iche nke AISI 316L igwe anaghị agba nchara, ma na-enwetakwa ngbanwe dị elu nke ihe mgbagwoju anya site na usoro ochie na nke ọma.itinye ego nkedo. AISI 316L igwe anaghị agba nchara, dị ka onye òtù nkeaustenitic igwe anaghị agba ncharausoro, pụtara n'etiti ọtụtụ igwe anaghị agba nchara ihe n'ihi na ya magburu onwe corrosion eguzogide, elu okpomọkụ iguzogide na ezi n'ibu Njirimara. Karịsịa mgbe mgbakwunye nke molybdenum, ikike ya iguzogide pitting, crevice corrosion na stress corrosion crack na-eme ka ọ dịkwuo mma, na-eme ka ihe a bụrụ ihe kachasị amasị n'ọtụtụ mpaghara dị ka ụlọ ọrụ kemịkal, nhazi nri, na injinia mmiri.

Ngwakọta kemịkalụ na microstructure

Ngwakọta kemịkalụ nke AISI 316L igwe anaghị agba nchara na-edozi nke ọma iji hụ na njirimara anụ ahụ na kemịkalụ mara mma. Ọdịnaya carbon dị ala (≤0.03%) na-ezere nke ọma nsogbu nke corrosion intergranular n'oge ịgbado ọkụ ma na-emeziwanye nguzogide corrosion nke ihe. Ọdịnaya dị elu nke chromium (16.5% -18.5%) na nickel (12% -15%) na-enye ihe ahụ ezigbo nguzogide oxidation na ike siri ike, ebe 2% -3% molybdenum ọdịnaya na-eme ka nguzogide corrosion ya na gburugburu chloride. Tụkwasị na nke ahụ, ọnụọgụ nitrogen kwesịrị ekwesị (≤0.10%) na-eme ka ike na ike nke ihe ahụ dịkwuo elu na-enweghị ịchụpụ ihe siri ike ya. Ngwakọta ihe mejupụtara kemịkalụ a kachasị mma, jikọtara ya na ọmarịcha microstructure dị mma na nke edobere n'oge usoro ntinye ego, na-enyere ụlọ 316L gearbox aka idobe nkwụsi ike na ịdịte aka dị mma n'okpuru ọnọdụ nrụgide siri ike.

Ngwa igwe na arụ ọrụ ike

Ụlọ AISI 316L igwe anaghị agba nchara na-arụkwa ọrụ nke ọma n'ihe gbasara akụrụngwa. Ike ike ya na-adịkarị n'etiti 485-620 MPa, na ike mkpụrụ ya dị na 170-300 MPa, nke pụtara na ọbụna n'okpuru ọnọdụ ibu dị oke arọ, ụlọ ahụ nwere ike ịnọgide na-eguzosi ike n'ezi ihe na ọ dịghị enwe ike imebi plastik ma ọ bụ mgbaji. N'otu oge ahụ, elongation nke ruo 40% na mmetụta siri ike dị mma na-eme ka nchekwa na ntụkwasị obi nke ụlọ ahụ dị mgbe a na-enwe mmetụta dị ukwuu. Na mgbakwunye, AISI 316L igwe anaghị agba nchara nwekwara ike dị oke ala na-ekpo ọkụ ma nwee ike ịnọgide na-arụ ọrụ igwe kwụsiri ike na gburugburu ebe dị oke oyi, nke dị mkpa maka akụrụngwa chọrọ ịrụ ọrụ na mpaghara pola ma ọ bụ miri emi.

Steel 316L (AISI, ASTM, UNS) na European dakọtara X2CrNiMo17-12-2 (1.4404) (EN)