Nukae nye nuɖuɖu ƒe hatsotso si me womexɔa ga le o?
Nuɖuɖu ƒe dzeside gakpo si mexɔ dzo o sɔ kple 'amewo ƒe Republic of China Dukɔa ƒe Dzidzenu GB9684' gakpo si mexɔ dzo o nu. Lead chromium ƒe agbɔsɔsɔ le sue ŋutɔ wu Stainles s gakpo dzrowo tɔ.
Dzesiwo gblɔ be: Ga si mexɔ dzo o ƒe grade fia akpa si do ka kple nuɖuɖu ƒe nuɖuɖumɔ̃wo, eye ele be nuɖuɖua naɖo dedienɔnɔ ƒe nudidi aɖewo gbɔ. Be be woazã geɖe nuɖuɖu acid wɔwɔ dɔwɔwɔ , chromium stainless steel , unqualified stainless steel , atutu chromium ƒe asi vovovowo , aɖi;kple nudidiwo be woaɖo seɖoƒe na nusiwo le lead, cadmium kple alloy makɔmakɔnu bubuwo.
Vovototo si le nuɖuɖu ƒe dzeside si nye stainless steel kple 304 stainless steel dome : gakpo zazã si mexɔ dzo o kpekpeme ga ʋuʋu ƒe agbɔsɔsɔme wu dzidzenu, ate ŋu agblẽ nu le amegbetɔ ƒe lãmesẽ ŋu. Eyata ele be nuɖanu siwo wotsɔ gakpo si mexɔ dzo o wɔ la nada asɔ le xɔxlɔ̃ kple dedienɔnɔ dome. Ne nickel kple chromium ƒe agbɔsɔsɔ le kɔkɔm la, wodoa ŋusẽ nutete ƒe tsitretsitsi, gake nickel kple chromium ƒe ʋeʋẽ siwo wowɔ ƒe agbɔsɔsɔ hã adzi ɖe edzi, si dzia dedienɔnɔ ƒe afɔku ɖe edzi.Le esia ta la, 'stainless steel products ' (GB9684-2011) si nye nuɖalawo, si nye nuɖalawo.
Nukatae dukɔa ƒe dzidzenua megblɔ manganese ƒe ʋuʋu ƒe seɖoƒe o?
Susuawo dometɔ ɖekae nye be esi manganese ƒe agbɔsɔsɔ le gakpo si mexɔ dzo o me dzi ɖe edzi ta la, eƒe xɔxlɔ̃ kple gbeɖuɖɔ ƒe tsitretsitsi hã dzina ɖe edzi. Ne manganese si le eme nya ɖo dzidzenu aɖe ko la, womate ŋu azã nusi wowɔ la abe nuɖanu alo nuɖanu si me wodea dzoe o ene o. Gake le manganese ƒe agbɔsɔsɔ si sɔ gbɔ alea gɔ̃ hã me la, zi geɖe la, womegblẽa nu le lãmesẽ ŋu o. Eyata togbɔ be dukɔa ƒe nuɖuɖu ƒe dedienɔnɔ ƒe dzidzenuwo mewɔa ɖoɖo ɖe manganese ƒe agbɔsɔsɔ ŋu o hã la, wogblɔe kɔte be ele be woatsɔ gakpo si mexɔ dzo o awɔ nuɖuɖudzraɖoƒe ƒe nugoewo ƒe akpa vevitɔ le dukɔa ƒe dzidzenuwo nu.
dzidzenu tɔxɛ aɖe .
Ele be nuɖuɖudzraɖoƒe ƒomevi ɖesiaɖe kple nuɖuɖu ŋuti dɔwɔwɔ ƒe mɔ̃wo natia austenitic alo ferritic gakpo si mexɔ dzo o (1CR18NI9TI,0CR19NI9, 1CR18NI9, 1CR17NI2). Le dɔwɔnu si wotsɔ kua nu le nutunu me ƒe akpa si wɔa dɔ la, ate ŋu atia Martensianite gakpo si mexɔ dzo o hã (0CR13, 1CR13, 2CR13, 3CR13).
Dzɔdzɔmeŋusẽ kple atike ƒe dzesi tɔxɛwoe nye esiawo:
Nu austenitic gakpo si mexɔ dzo o ferritic martensitic gakpo si mexɔ dzo o .
Lead (le PB me), Mg/L 4% acetic acid nyɔnyrɔ̃ ≤ 1.0 1.0.
chromium (le CR me), Mg/L 4% acetic acid nyɔnyrɔ̃ ≤ . 0.5
Nickel (le NI), Mg/L 4% acetic acid ƒe tsinyenye ≤ 3.0 1.0.
Cadmium (le CD me), mg/L 4% acetic acid solution ≤ 0.02 0.02.
Arsenic (AS), mg/L 4% acetic acid solution ≤ 0.04 0.04.
De dzesii: Woɖaa tsilele ƒe nɔnɔmewo katã hena 30min eye emegbe woxɔa xɔme ƒe dzoxɔxɔ hena 24h.
Nuɖuɖu ƒe dzeside si nye gakpo si mexɔ dzo o . Welded Pipe ƒe dɔ vovovowo le esi, le nudidi la me kple egodo siaa. Stainless steel welded pipe welding treatment nye nu vevi aɖe ŋutɔ, 0.5mm ate ŋu akpɔ ŋusẽ si le ememe casting hã gbɔ.
Ne nuɖuɖu si wotsɔ gakpo si mexɔ dzo o si wotsɔ ga wɔe si wotsɔ ga wɔe le nɔnɔme siwo sɔ me la aƒu gbe ɖe eme kple egodo la, ke le ɣeyiɣi ma ke me . ehiã be woatsɔ weld grinding kple . Annealing si le keklẽm . Hiahiã si le ememe kple egodo ƒe atsyɔ̃ɖoɖo ŋu meku ɖe gli ƒe titrime ŋu o, ɖeko wòle be woawɔ dɔa ƒe nɔnɔmea. Gli la ƒe titrime le sue akpa na ememe ƒuƒu menye kuxi gã aɖeke o, elabena gotagome ƒuƒu ate ŋu anye pass rate si le bɔbɔe.
Ne wotsɔ welded pipe , mehiã le eme kple egodo o. Kpɔ wò tube ƒe didime hã ɖa. Seamless tube mate ŋu aƒu gbe ɖe eme o. Màte ŋu agblɔ be 0.5 ƒe gli ƒe titrime le sue akpa o. Elabena ne glia ƒe titrime nye 0.5 si ƒe didime nye meta ɖeka la, womakpɔe o, ke menye be woazi edzi gbadzaa o. Eyata enɔ te ɖe wò mɔ̃a ƒe didime dzi.
Ðewohĩ wò pɔmpia didi akpa, gli ƒe titrime le sue akpa, elabena ememe kple egodo ƒe ʋuʋudedi nye be nàkpɔ ƒuƒoƒoa zazã, nudidi kɔkɔwo mele asiwò alea o, mehiã be nàdzi gazazã siwo mehiã o ɖe edzi o.
