Talu ai nei, o le tulaga faaleatunuu GB / T20878-2024 "Stainless Steel Grades and Chemical Compositions", faʻasaʻo e le Metallurgical Industry Information Standards Research Institute ma auai e Fujian Qingtuo Special Steel Technology Research Co., Ltd. ma isi iunite, na faʻasaʻolotoina ma o le a faʻatinoina i le aso 1 o Fepuari, 2025. . Ina ua mavae le toeitiiti atoa le ono tausaga o taumafaiga le faatuaoia, Qingtuo Group tutoatasi atiina ae le nitrogen-o loo i ai sili ona faamalosia austenitic stainless steel QN faasologa, e aofia ai S35250 (QN1701), S25230 (QN1801), S35657 (QN1803), S35656 (QN5308 tulaga eseese), S35656 (QN5308 Corro) QF1804), S35706 (QN2008), S35886 (QN1906) ma le S35887 (QN2109) ua aofia ai i lenei tulaga, faʻatamaoaigaina le fausaga uʻamea uʻamea ma tuʻuina atu le malosi maualuga, mama, ma le maualuga o le faʻafefeteina mo le fanua o fausaga faʻapipiʻi uta. Le fuafuaga faʻataunuʻuina o ituaiga uʻamea uʻamea ma le maualuga o le saogalemu ma le tau-lelei.
S35656 (QN1804) faʻalagolago i le sili ona lelei o le corrosion resistance, weldability ma le maualalo o le vevela o mea faʻainisinia e aofia ai i le GB / T150.2-2024 "Pressure Vessels Part 2: Materials" ma le GB / T713.7-2023 "Steel Plate and Steel for Pressure Hemequipment" Faatasi ai ma le uʻamea uʻamea a le atunuʻu. tulaga fa'atatau i va'a mamafa I nai tausaga ua tuana'i, QN fa'asologa u'amea u'amea ua fausia se filifili alamanuia mautu ma ua fa'aaogaina i vaega i le tele o uta-tauave fausaga maketi fanua e pei o le televave ala afi inisinia, fale prefabricated, subway inisinia, malosi, inisinia sami ma va'a mamafa.
Electropolishingose faiga fa'amae'a eletise e aveese ai se mea manifinifi o mea mai se vaega u'amea, e masani lava o u'amea u'amea po'o fa'amea tutusa. O le fa'agasologa e tu'u ai se i'ila, lamolemole, sili ona mama i luga.
Ua ta'ua foi ofa'alelei fa'aeletise, fa'apolopolo anodicpeeletise eletise, electropolishing e sili ona aoga mo le faʻamalo ma le deburring vaega e maʻaleʻale pe i ai geometries lavelave. O le fa'a'ele'ele'ele e fa'aleleia atili ai le mae'a o luga e ala i le fa'aitiitia o le talatala o luga e o'o atu i le 50%.
Electropolishing e mafai ona manatu e pei ofa'aliliuina eletise. Nai lo le fa'aopoopoina o se pa'u manifinifi o ion u'amea lelei, e fa'aogaina e le fa'aeletise le eletise eletise e fa'amavae ai se vaega manifinifi o ion uamea i se vaifofo eletise.
Electropolishing o u'amea uʻamea o le faʻaaogaina masani ole electropolishing. Electropolished u'amea u'amea o lo'o i ai se lamolemole, iila, ultra-mama fa'ai'uga e tetee a'a. E ui lava e toetoe lava o soʻo se uʻamea o le a aoga, o uʻamea sili ona faʻapipiʻiina o le 300- ma le 400-series stainless steel.
O le faʻamaeʻaina o le eletise e iai tulaga eseese mo le faʻaaogaina i faʻaoga eseese. O nei talosaga e mana'omia le vaeluaga o le fa'ai'uga. Electropolishing o se faagasologa e ala i le matua roughness o le Electropolished Stainless Steel Pipe ua faaitiitia. O le mea lea e sili atu ai le saʻo o paipa i fua ma e mafai ona faʻapipiʻi le EP Pipe ma le saʻo i faiga maʻaleʻale e pei o letalosaga tau alamanuia tau vailaau.
E i ai a matou lava mea faʻapipiʻi ma faʻapipiʻiina paipa eletise eletise e fetaui ma manaʻoga o matāʻupu eseese i lalo o le taʻitaʻiga a le au faʻapitoa a Korea.
O la matou EP Tube i ISO14644-1 Vasega 5 tulaga potu mama, faʻamamā taʻitasi mamaualuga maualuga mama (UHP)nitrogen ona tapuni lea ma ato fa'alua. Fa'ailoga e agava'a ai tulaga o le gaosiga o paipa, vaila'au tu'ufa'atasiga, su'esu'eina o meafaitino, ma le maualuga o le talatala o luga e tu'uina atu mo mea uma.
Taimi meli: Oke-14-2024