Uyikhetha njani i-coil yentsimbi engagqwaliyo eqhotsiweyo engu-316 316L ukuze ilungele iimeko ezingcolisayo?

• Ii-316 kunye ne-316L zikhethwa ukuze zisetyenziswe xa kukho ukuxhathisa kwe-chloride kunye nokuwelda.
• I-coil eqengqelekayo ebandayo iyathandwa xa umgangatho womphezulu, ukuthe tyaba, kunye nokunyamezela ukutyeba kuchaphazela ukwakheka okanye imbonakalo.
• Inkcazelo echanekileyo ixhomekeke kwindawo, ukugqitywa, ubulukhuni, kunye nendlela yokwenza, kungekuphela nje kudidi lwe-alloy.
• Izigqibo zokwenyani zokuthenga kufuneka ziqinisekise ikhemistri, ukuthobela i-ASTM okanye i-EN, kunye namaxwebhu okuhlola ngaphambi kokuba akhutshwe.

Kubathengi abathelekisayoIkhoyili yentsimbi engenasici eqengqelekayo engama-316L engama-316LUmbuzo ophambili kukuba ingaba imeko-bume yenkonzo ifunaikhoyili yentsimbi engagqwali enganyangekiyoenokumelana okungcono kwe-chloride kune-304. Kwiindawo ezishushu zamanzi olwandle kunye ne-chloride, i-pitting kunye ne-cravice corrosion ziba zezona zingozi ziphambili, kwaye i-molybdenum eyongeziweyo kwii-alloys zohlobo lwe-316 yimbangela yokuba iinjineli ezininzi zichaze olu sapho ngenxaikhoyili yentsimbi engagqwali yolwandleizicelo. NgokweI-ASTM A240, iinkcukacha zeshiti yentsimbi engagqwaliyo kunye nemigca zigubungela iindlela zokubonelela ngeekhoyili eziqhelekileyo ezisetyenziswa kwizicelo zoxinzelelo kunye nezingengoxinzelelo, ngelixaI-ISO 9444-1:2009ichaza ukunyamezelana kwe-stainless steel stainless strip egoqwe ngobushushu kunye ne-cold-rolled kunye neengcamango zolawulo olunemilinganiselo efanelekileyo xa ukuhambelana kobukhulu kubalulekile. Ngokwenyani, eyona coil ilungileyo yileyo ihambelana ne-corrosion medium, indlela yokwenza, kunye neemfuno zokuhlola, kungekuphela nje kwenani le-alloy.

Indlela yokukhetha ikhoyili yentsimbi engagqwaliyo eqengqelekayo engama-316 316L ukuze ilungele iimeko ezingcolisayo

Ikhoyili ekunene iqala ngophononongo lwendlela yokusilela, kuba ukugqwala akusoloko kuyingxaki eqhelekileyo.

Ngaphambi kokuba uthelekise ababoneleli, chonga ukuba ingaba le ndawo iza kujongana ne-chloride, i-acid condensate, iikhemikhali zokucoca, inkungu yetyuwa, amanzi atshizayo, okanye ukufuma okuphezulu. Kwiimeko ezininzi zoshishino naselwandle, ukuhlaselwa kwe-chloride kudala imingxuma kwindawo ethile ngaphambi kokuba kubonakale ukugqwala okufanayo. Yiyo loo nto i-chlorideikhoyili yentsimbi engagqwali enganyangekiyokufuneka kukhethwe ngokuchasene nokuvezwa kwayo, kungekhona ngokuchasene nelebheli yoshishino olubanzi.

Kwimveliso enzima yokuwelda, i-316L idla ngokukhethwa kune-316 kuba umda wekhabhoni ophantsi unciphisa umngcipheko wokuziva kwindawo echaphazelekileyo bubushushu. Kwiindawo eziza kutsalwa nzulu, zigotywe, okanye zifakwe isitampu, imeko yokuqengqeleka okubandayo idla ngokubaluleka njengokukhetha i-alloy kuba ukwenza iziphene, ukuqhekeka komphetho, kunye nokubuyela umva kunokubangelwa kukungagugi kakuhle okanye ubunzima obungaguqukiyo.

Isihluzo sesibini yindlela yokwenza, kuba i-alloy efanayo inokusebenza ngendlela eyahlukileyo emva kokuqhekeka, ukulinganisa, okanye ukuqengqeleka kobushushu. Ukuba ikhoyili iya kubaicutshungulwe njengesitokhwe sekhoyili ukuze kwenziwe ngakumbi, buza ukuba ngaba umthengisi ulawula imeko yomphetho, isithsaba, kunye neseti yekhoyili, kuba ezi zichaphazela uzinzo lokutya olusezantsi. Ukuba uthotho lwakho lokubonelela lufuna ububanzi obuguquliweyo bokunyathela okanye ukujija, iumgca wentsimbi engagqwaliyo ochanekileyoinokunciphisa ukungcola okubangelwa kukwahluka kobubanzi. Ukuba iprojekthi isebenzisa ukupakisha okuqinileyo okanye izixhobo zokuncamathisela,imitya yentsimbi engagqwaliyoZinokwabelana ngesiseko esifanayo sesinyithi kodwa zifuna iimfuno ezahlukeneyo zomphetho kunye nokuxinana.

Ikhoyili yentsimbi engenasici eqengqelekayo engama-316 xa ithelekiswa ne-316L: yintoni etshintsha ngokwenene

Umahluko phakathi kwe-316 kunye ne-316L mncinci ephepheni kodwa ubalulekile ekwenziweni nasekusebenzeni.

Zombini ezi ntlobo zezosapho lwe-austenitic stainless steel kwaye zisetyenziswa rhoqo xa ukumelana nokugqwala kufuneka kudlule injongo eqhelekileyo 304. Umahluko osebenzayo ngumxholo wekhabhoni: i-316L ine-carbon maximum ephantsi, nto leyo ephucula ukumelana nokuchacha kwe-carbide ngexesha lokuwelda. Yiyo loo nto abenzi bezinto bedla ngokuchaza i-316L kwiitanki eziweldayo, izixhobo zaselwandle, izixhobo zenkqubo, kunye neendawo ezingenakulungiswa emva kokuwelda.

Kubathengi, umthetho oyintloko ulula: khetha i-316 xa ukuwelda kunqongophele kwaye ukuhambelana koomatshini yeyona nto iphambili, uze ukhethe i-316L xa ukuthembeka kokuwelda kunye nokumelana nokugqwala emva kokwenziwa kubaluleke ngakumbi. Le ngqiqo yokukhetha ixhaswa ziimpawu zezinto ezikhoyoI-ASTM A240kunye nesikhokelo esibanzi sentsimbi engagqwaliyo epapashwe yiIZiko leNickel, nto leyo echaza isizathu sokuba amanqanaba athwala i-molybdenum athandwa kakhulu kwiindawo ezinobundlongondlongo.

Kutheni i-coil eqengqelekayo ebandayo ibalulekile kwi-coil yentsimbi engagqwali engamelaniyo nokugqwala

Ukuqengqeleka okubandayo kuphucula ukuchaneka kunye nomgangatho womphezulu, nto leyo ebaluleke kakhulu njengokukhetha i-alloy.

Xa kuthelekiswa nezinto ezigoqwe ngobushushu, i-coil egoqwe ngobushushu idla ngokusetyenziswa xa inxalenye ifuna ulawulo lobukhulu obuqinileyo, ukuba tyaba okungcono, kunye nomphezulu ogudileyo. Kwimigca yokwenziwa, ezo mpawu zinceda ekunyatheliseni, ekusikeni nge-laser, ekubumbeni, nakwiindawo zokuhombisa apho iziphene zomphezulu zibonakala khona.ikhoyili yentsimbi engagqwali yolwandle, umgangatho wokugqitywa kwawo unokuchaphazela indlela okulula ngayo ukuba iityuwa okanye izinto ezingcolisayo zicocwe kumphezulu.

Ngoku kaI-ISO 9444-1:2009, ukunyamezelana kobukhulu be-stainless steel strip kuchazwa ngolawulo olucacileyo phezu kobukhulu nobubanzi. Ekuthengeni ngokwenene, oku kubalulekile kuba ikhoyili enganyamezelaniyo inokubangela utshintsho lokutya, ukungalingani, okanye ubunzima benxalenye engaguqukiyo. Ukuba umgca wakho ukhawuleza kakhulu, olo tshintsho luba yi-scrap, kungekhona nje inqaku lomgangatho.

Ukuba imbonakalo, ukuba tyaba, kunye nokwakheka okusezantsi komsinga, izinto ezigoqiweyo ezibandayo zihlala ziyindawo echanekileyo yokuqala. Ukuba umsebenzi wenziwe ngolwakhiwo kwaye ubukhulu bukhulu, isitokhwe esigoqiweyo esishushu sinokuba sesoqoqosho. Yiyo loo nto usapho lwemveliso kwiiikhoyili zentsimbi engatyiwayokufuneka ihluzwe ngokwesiphelo kunye nokunyamezelana, kungekuphela nje ngokwenqanaba.

Yeyiphi isiphelo somphezulu kunye nobunzima omele uchaze

Ukugqitywa komphezulu kunye nobunzima kuchaphazela ngokuthe ngqo ukuba ikhoyili iziphatha kakuhle na kwinkqubo yakho.

Kwiindawo ezirhabaxa, ukugqitywa akupheleli nje ekuhombiseni ubuhle. Ukugqitywa okuthambileyo nokufanayo kunokuphucula ukucoceka nokunciphisa ukugcinwa kokungcola kwindawo ethile, ngelixa umphezulu orhabaxa okanye ongaguqukiyo unokubamba iityuwa, umswakama, okanye iintsalela zenkqubo. Kumaxwebhu amaninzi okuthenga, i-2B yindlela yokugqiba eqhelekileyo yemizi-mveliso kuba inokuguquguquka, ngelixa i-BA okanye ukugqitywa ngokwezifiso kusetyenziswa xa imbonakalo okanye ulawulo lokubonakalisa lubaluleke ngakumbi.

Ukuqina nako kubalulekile kuba umgangatho ofanayo unokunikezelwa kwiimeko zobushushu obuthambileyo okanye obuqinileyo. Ubushushu obuthambileyo budla ngokunceda ukutsala nzulu kunye nokugoba i-radius eqinileyo, ngelixa ubunzima obuqinileyo buphucula ukugcinwa kwefom kunye namandla okugqibela. Ukuba inxalenye yakho kufuneka igximfizwe ngokuphindaphindiweyo, cela ifestile yobunzima endaweni yenkcazo engacacanga.

Xa isicelo siyindawo yokuvala iikhemikhali, ibracket yolwandle, okanye icandelo lenkqubo emanzi, ukufana komphezulu kunye nolawulo lobunzima kudla ngokugqiba ukuba ikhoyili ingangena kwimveliso ngaphandle kokuvavanya nokuphosisa. Ukuba imveliso iya kuqhekeka ibe bububanzi obuncinci, cela umgangatho ohambelanayo womphetho kunye neseti yekhoyili kuba izinto ezincinci zandisa naluphi na ungazinzi kwestrip. Indawo elungileyo yokuqala ngumthengisi.umcu wentsimbi engatyiwayoubuchule, kuba ububanzi be-slit budla ngokutyhila umgangatho wenkqubo ngcono kunolwimi lokuthengisa lwe-broad coil.

Abathengi bedatha yokumelana nokugqwala kufuneka bayicele ngokwenene

Ifayile yeenkcukacha ezilungileyo ibandakanya ubungqina obulinganisekayo, kungekhona amabango aqhelekileyo.

Kwi-316 kunye ne-316L, ikhemistri kufuneka ibhalwe phantsi kunye nesatifikethi sovavanyo lwe-mill esibonisa umxholo we-chromium, i-nickel, kunye ne-molybdenum, kunye ne-carbon ye-L grade. I-ASTM kunye ne-EN zilawula ukwakheka kunye neemfuno zovavanyo loomatshini, kodwa umyalelo wakho wokuthenga kufuneka ufune nezinto zokuhlola ezihambelana nenqanaba lakho lomngcipheko. Ukuba ikhoyili iya kusebenza xa kukho i-chloride exposure, buza ukuba umthengisi angabonelela ngeerekhodi ze-passivation, ukuqinisekiswa kokugqitywa komphezulu, kunye namanani obushushu alandelekayo.

Enye indlela eluncedo kukuba iintsimbi ezingenasici ze-316-family-stainless steels ziqulathe i-molybdenum, yiyo loo nto ziphumelela ngaphezu kwe-304 kwiindawo ezininzi ezityebileyo nge-chloride. Enye indlela eluncedo kukulawula ubukhulu: ekuthengeni iikhoyili, ukunyamezelana kobukhulu kunye nobubanzi akuchaphazeli nje kuphela ukulingana kodwa kunye nemveliso yenkqubo. Kwimveliso ephezulu, nokuba ukuphambuka okuncinci kunokuguqulela ekuhlengahlengisweni okuphindaphindiweyo kokuseta kunye nokulahla.

Ukuba usetyenziso lunobuthathaka kakhulu, njengezixhobo zokutya, izixhobo ezikufutshane nokukhupha ityuwa emanzini, okanye izinto zokuhlobisa zangaphandle, kufanelekile ukulungelelanisa ukuthengwa neendlela zovavanyo ezaziwayo.I-ASTM G48I-standard isetyenziswa kakhulu kuvavanyo lokugqwala kweentsimbi ezingenanto, kwaye inentsingiselo engaphezulu kunezimangalo zokuthengisa eziqhelekileyo kuba inika isiseko esichaziweyo selebhu sokuthelekisa ii-alloys.

Iimeko eziqhelekileyo zoshishino zekhoyili yentsimbi engagqwali yolwandle

Umxholo uqhuba isigqibo sebanga ngaphezu kwalo naluphi na uthelekiso lwekhathalogu.

Kwiiprojekthi zaselunxwemeni okanye zaselunxwemeni, i-316L idla ngokukhethwa kuba ityuwa etshizwayo kunye nokufuma okugciniweyo kukhawulezisa uhlaselo lwasekhaya. Kwizityalo ezicutshungulwayo, umceli mngeni unokuba kukucoca iikhemikhali endaweni yamanzi olwandle, kodwa izicoci ezinekloridi zinokubangela iingozi ezifanayo. Kwizinto zokwakha, ingxaki idla ngokuba kukugqwala kunye nenkangeleko, ngoko ke umgangatho wokugqiba ocoliweyo uba yingxaki yorhwebo kunye nowezobugcisa.

• Izixhobo zaselwandle:ii-handrails, iibrakethi, izibophelelo, kunye nokuhlobisa kwangaphandle okuvezwe emoyeni onetyuwa.
• Ukulungiswa kweekhemikhali:izigqubuthelo, izigqubuthelo, ii-liners, kunye nezinto ezisetyenziswa kwindawo yokutshiza.
• Izixhobo zokutya neziselo:iindawo ezihlanjwayo apho ucoceko kunye nokugqwala kubalulekile khona.
• Iziseko zophuhliso zangaphandle:iiphaneli kunye neengcingo ezijongene nokufuma, imvula, kunye neetyuwa eziphuma emoyeni.

Kwiinkqubo ze-OEM, abathengi badla ngokuthanda ukunikezelwa kweekhoyili rhoqo ezinobubanzi obuzinzileyo kunye nemeko yomphezulu ephinda-phindwayo kuba izixhobo ziqinisekiswa kube kanye emva koko kulindeleke ukuba zisebenze iinyanga. Kubasasazi, ukugubungela isitokhwe ngokubanzi kunokubaluleka ngaphezu kwenkcazo enye eqinileyo. Kuzo zombini iimeko, icebo lokufumana elisebenzayo kukuchaza imeko-bume kuqala, emva koko ukhethe ukwakhiwa kwekhoyili ngqo okwesibini.

Uluhlu lokuhlola umthengisi oluthelekisa ikhoyili yentsimbi engagqwaliyo eqhotsiweyo engama-316L

Uthelekiso oluhle lomthengisi lufanele lubeke phambili ubungqina ngaphezu kwezithembiso.

Cela umthengisi ngamnye iseti efanayo yamaxwebhu ukuze uthelekiso lube lolungakhethiyo. Olu luhlu kufuneka lubandakanye umgangatho we-alloy, uhlobo lwemveliso, umgangatho wokunyamezela, ukugqitywa, uluhlu lobunzima, indlela yokulandelela, indlela yokupakisha, kunye nexesha lokuqalisa. Ukuba umthengisi ukwanikezela ngokuguqulwa okungaphantsi komgca okufana nokusika okanye ukupakisha okukhuselekileyo, oko kunokunciphisa iindleko zakho zokucubungula ngaphakathi kwaye kunciphise umonakalo wokuphatha.

1. Qinisekisa ukuba indawo engqongileyo ityebile kwi-chloride, ine-asidi, inomswakama, okanye ixutyiwe.
2. Khetha i-316 okanye i-316L ngokusekelwe kumngcipheko wokuwelda kunye nokugqwala.
3. Cacisa i-cold rolled ukuba ukuba ithe tyaba, imbonakalo, okanye ukuchaneka kokwakheka kubalulekile.
4. Chaza ukugqitywa, ubulukhuni, ububanzi, kunye nokunyamezelana kobukhulu ngokubhaliweyo.
5. Cela i-MTC, ukulandeleka kobushushu, kunye neerekhodi zokuhlolwa ngaphambi kokuba zithunyelwe.

Ukuba iprojekthi yakho ifuna ububanzi obuguquliweyo bokunyathela okanye ukondla ngokuzenzekelayo, umboneleli onesixhobo esizinikeleyoukusika kunye nokubonelela ngemicuubuchule bunokunciphisa umngcipheko wemveliso. Ukuba ukusetyenziswa kokugqibela kukubopha okanye ukubopha kwinkonzo yokubola,imitya yentsimbi engagqwaliyoinokuba lusapho lwemveliso ekufutshane oluluncedo ukuyivavanya ngaxeshanye.

Xa i-316L ixabisa ixabiso elongezelelweyo

I-316L ixabisa ixabiso elongezelelweyo xa umgangatho wokuwelda kunye nokuqina komhlwa kuqhuba iindleko zokungaphumeleli.

Ukuba inxalenye idityanisiwe emva kokwenziwa, umxholo ophantsi wekhabhoni kwi-316L unceda ukunciphisa amathuba okuba nemvakalelo kufutshane nee-welds. Oko kubaluleke kakhulu kwiitanki, izixhobo zaselwandle, izigqubuthelo zenkqubo yolwelo, kunye neendibano ezingenakuvalwa ngokupheleleyo emva kokwenziwa. Xa inxalenye ingadityanisiwe kwaye okusingqongileyo kungangeni mandla, i-316 inokwanela kwaye ngamanye amaxesha ingabizi kakhulu.

Ngokwembono yokuthenga, ixabiso lezinto ezongezelelweyo ze-316L lidla ngokuthetheleleka xa ixabiso lokutshintshwa kwenxalenye egqityiweyo liphezulu. Kwinkonzo yokubola, ixabiso lomjikelo wobomi lidla ngokuba lolona liphezulu kwixabiso lokuqala lekhoyili. Leyo yimbangela ephambili yokuba iinjineli ezininzi zichaze i-316L kwizinto ezibalulekileyo nokuba umgangatho ophantsi uya kuba nexabiso eliphantsi ngosuku lokuqala.

Imibuzo ebuzwa rhoqo malunga ne-316 316L coil yentsimbi engagqwaliyo eqengqelekayo ebandayo

Ngaba i-316L isoloko ingcono kune-316 kwiindawo ezingcolisayo?

Hayi. I-316L idla ngokuba ngcono kwiindawo ezidityanisiweyo, kodwa i-316 ingasebenza xa ukudityaniswa kunqongophele kwaye imeko-bume ingekho nzima kangako.

Kutheni ukhetha i-cold rolled endaweni ye-hot rolled coil?

I-coil eqengqelekayo ebandayo ingcono xa ufuna ulawulo oluqinileyo lobukhulu, umgangatho womphezulu ogudileyo, kunye nokusebenza okuzinzileyo kokwakheka.

Yeyiphi indlela yokugquma umphezulu eqheleke kakhulu kwinkonzo yokugqwala kwemizi-mveliso?

I-2B isetyenziswa rhoqo kuba ilungelelanisa inkangeleko, ukusebenziseka kwayo, kunye nokufumaneka kwayo, ngelixa i-BA okanye ukugqitywa kwayo ngokwezifiso kukhethwa ngokweemfuno ezizodwa zokuhombisa.

Ndingazi njani ukuba ndiyayifuna ngokwenene i-coil yentsimbi engagqwaliyo yohlobo lwe-marine grade?

Ukuba le nxalenye iza kujongana netyuwa, umoya ophuma elunxwemeni, amanzi olwandle atshizayo, okanye izinto zokucoca i-chloride, izinto ze-316-family zihlala zilukhetho olukhuselekileyo kune-304.

Ngawaphi amaxwebhu ekufuneka ndiwacele phambi kokuba ndiwathenge?

Cela isatifikethi sovavanyo lomatshini, ingxelo yobukhulu, iinkcukacha zemeko yomphezulu, kunye nesalathiso esifanelekileyo se-ASTM okanye se-ISO.

Ngaba ububanzi besithuba bubalulekile ekusebenzeni kokugqwala?

Ewe, ngokungathanga ngqo. Umgangatho ophantsi womphetho kunye nokungangqinelani kobubanzi kunokubangela iingxaki zokutya, umonakalo, kunye neziphumo zokwenziwa okungalinganiyo.

Yeyiphi impazamo eqhelekileyo ekukhetheni iikhoyili?

Eyona mpazamo ixhaphakileyo kukukhetha igama leklasi kuphela uze ungayinaki imeko-bume yokwenyani, ukugqitywa, ubulukhuni, kunye nendlela yokwenziwa.

Ngamafutshane, eyona ilungileyoIkhoyili yentsimbi engenasici eqengqelekayo engama-316L engama-316Lyileyo ihambelana neemfuno zokuvezwa, indlela yokwenza, kunye neemfuno zokuqinisekisa zenxalenye yokugqibela. Ukuba imeko-bume iqulethe iikloride okanye ukumanzisa okuphindaphindiweyo,ikhoyili yentsimbi engagqwali enganyangekiyoKwintsapho ye-316, i-316L idla ngokuba yindawo yokuqala efanelekileyo. Ukuba iprojekthi ikwindawo yolwandle, itshixiwe, okanye ichaphazeleka kucoceko, i-316L kunye nokugqitywa okucociweyo okubandayo kudla ngokubonelela ngokulinganisela okuthembekileyo kokuxhathisa ukugqwala, ukwenziwa, kunye nobomi benkonzo.