Tsis ntev los no, tus qauv hauv tebchaws GB / T20878-2024 "Cov Qib Hlau Tsis Muaj Hlau thiab Cov Khoom Siv Tshuaj", kho los ntawm Lub Tsev Kawm Ntawv Tshawb Fawb Txog Kev Lag Luam Metallurgical thiab koom nrog los ntawm Fujian Qingtuo Special Steel Technology Research Co., Ltd. thiab lwm chav tsev, tau tso tawm thiab yuav siv rau lub Ob Hlis 1, 2025. Tom qab yuav luag rau xyoo ntawm kev siv zog tsis tu ncua, Qingtuo Group tau tsim cov hlau tsis xeb austenitic uas muaj cov pa nitrogen uas muaj zog heev, suav nrog S35250 (QN1701), S25230 (QN1801), S35657 (QN1803), S35656 (QN1804), S35388 (Cov khoom uas muaj ntau qib kev tiv thaiv xeb xws li QF1804), S35706 (QN2008), S35886 (QN1906) thiab S35887 (QN2109) tau suav nrog hauv tus qauv no, ua kom cov qauv hlau tsis xeb nplua nuj thiab muab lub zog siab, lub teeb yuag, thiab kev tiv thaiv xeb siab rau thaj chaw ntawm cov qauv thauj khoom. Txoj kev npaj ua tiav ntawm cov hlau tsis xeb nrog kev nyab xeeb siab thiab kev siv nyiaj tsawg.
S35656 (QN1804) vam khom nws qhov kev tiv thaiv corrosion zoo heev, weldability thiab cov khoom siv kho tshuab qis-kub kom suav nrog hauv GB / T150.2-2024 "Pressure Vessels Part 2: Cov Khoom Siv" thiab GB / T713.7-2023 "Hlau Phaj thiab Hlau rau Cov Khoom Siv Siab" Nrog Ntu 7: Stainless Hlau thiab Kub-Resistant Steel "thiab lwm ob lub teb chaws tus qauv cuam tshuam nrog cov hlab ntsha siab. Tau ob peb xyoos dhau los, QN series stainless hlau tau tsim ib txoj saw hlau kev lag luam ruaj khov thiab tau siv ua pawg hauv ntau qhov chaw ua lag luam xws li kev tsim kho tsheb ciav hlau ceev ceev, tsev prefabricated, kev tsim kho hauv av, lub zog, kev tsim kho dej hiav txwv thiab cov hlab ntsha siab.
Kev siv hluav taws xobyog ib qho txheej txheem electrochemical finishing uas tshem tawm ib txheej nyias nyias ntawm cov khoom siv los ntawm ib qho hlau, feem ntau yog stainless hlau lossis cov alloys zoo sib xws. Cov txheej txheem no tawm hauv qhov ci ntsa iab, du, thiab huv si heev.
Kuj tseem hu uaKev siv tshuaj lom neeg polishing, anodizing polishinglos yogkev sib tsoo electrolytic, electropolishing yog qhov tshwj xeeb tshaj yog rau kev txhuam thiab tshem tawm cov khoom uas tsis yooj yim tawg lossis muaj cov qauv nyuaj. Electropolishing txhim kho qhov chaw tiav los ntawm kev txo qhov roughness ntawm qhov chaw txog li 50%.
Electropolishing tuaj yeem xav txog lirov qab electroplating. Tsis txhob ntxiv ib txheej nyias nyias ntawm cov hlau ions uas muaj nqi zoo, electropolishing siv hluav taws xob los yaj ib txheej nyias nyias ntawm cov hlau ions rau hauv cov kua electrolyte.
Kev siv electropolishing ntawm cov hlau tsis xeb yog qhov siv ntau tshaj plaws ntawm electropolishing. Cov hlau tsis xeb electropolished muaj qhov du, ci ntsa iab, thiab huv si uas tiv taus xeb. Txawm hais tias yuav luag txhua yam hlau yuav ua haujlwm tau, cov hlau electropolished feem ntau yog 300- thiab 400-series stainless hlau.
Kev ua tiav ntawm electroplating muaj cov qauv sib txawv rau kev siv hauv ntau daim ntawv thov. Cov ntawv thov no xav tau qhov nruab nrab ntawm kev ua tiav. Electropolishing yog ib qho txheej txheem los ntawm kev txo qhov roughness ntawm Electropolished Stainless Steel Pipe. Qhov no ua rau cov kav dej raug dua hauv qhov ntev thiab EP Pipe tuaj yeem ntsia tau nrog qhov tseeb hauv cov kab ke rhiab heev xws likev siv tshuaj kho mob.
Peb muaj peb cov khoom siv polishing thiab tsim cov raj electrolytic polishing uas ua tau raws li qhov xav tau ntawm ntau qhov chaw nyob rau hauv kev taw qhia ntawm pab pawg neeg Korean.
Peb lub raj EP hauv ISO14644-1 Chav Kawm 5 chav huv si, txhua lub raj raug ntxuav nrogKev huv siab heev (UHP)nitrogen thiab tom qab ntawd kaw thiab muab ob lub hnab ntim. Daim ntawv pov thawj tsim nyog rau cov qauv tsim khoom ntawm cov raj, cov tshuaj lom neeg sib xyaw, kev taug qab cov khoom siv, thiab qhov roughness siab tshaj plaws tau muab rau txhua yam khoom siv.
Lub sijhawm tshaj tawm: Lub Kaum Hli-14-2024