Umbhobho wentsimbi yenye yezona zinto zixhaphakileyo kulwakhiwo, ukwenziwa koomatshini, nakwimimandla yobunjineli. Nangona kunjalo, kukho iintlobo ezininzi ezahlukeneyo zombhobho wensimbi osisiseko, kunye nokwahlukana okuphawulekayo kwizinto eziphathekayo, inkqubo yokuvelisa, ukusebenza kunye nokusetyenziswa. Ukuqonda lo mahluko kuya kukunceda ukhethe uhlobo olufanelekileyo lombhobho wensimbi kwisicelo sakho.
I. Umahluko ngokohlelo lweMathiriyeli
1. Umbhobho weCarbon Steel
Umbhobho wentsimbi yekhabhoni lolona hlobo luqhelekileyo lombhobho wensimbi osisiseko. Ngokuyinhloko iqulethwe yintsimbi kunye nekhabhoni, kunye nomxholo wekhabhoni ngokubanzi ukusuka kwi-0.02% ukuya kwi-2.11%. Ngokuxhomekeke kumxholo wekhabhoni, ingohlulwa ibe yintsimbi ephantsi{4}yekhabhoni, ephakathi{5}nentsimbi yekhabhoni, kunye{6}nekhabhoni ephezulu
Umbhobho wentsimbi yekhabhoni {{0}ephantsi (efana ne-Q235): Unika amandla aphakathi, ukuqina okuhle, kunye nokulula ukuwelda. Isetyenziswa ngokubanzi kwizakhiwo zokwakha, iinkqubo zemibhobho, kunye nezinye izicelo.
Phakathi -umbhobho wentsimbi wekhabhoni ophezulu: Unika amandla aphezulu kodwa ukuqina okuncitshisiweyo. Ilungele izicelo ezifuna ubulukhuni obuphezulu, njengeengxenye zoomatshini kunye nemithombo.
2. I-alloy Steel Pipe
Imibhobho yentsimbi yealloyi yenziwe ngentsimbi yekhabhoni kongezwe ezinye izinto zetsimbi, ezifana nechromium, nickel, kunye nemolybdenum, ukomeleza ukuxhathisa kokutya, ukomelela, okanye{0}}ubushushu obuphezulu bokusebenza.
Imibhobho yentsimbi engatyiwayo (efana ne-304 kunye ne-316): Iqulethe ichromium kunye ne-nickel, enika ukuxhathisa okugqwesileyo kokutya. Ngokuqhelekileyo zisetyenziswa kwimichiza, ukulungisa ukutya, kunye namashishini ezixhobo zonyango.
Phantsi -i-alloyi ephezulu{1}}imibhobho yentsimbi enamandla (efana ne-Q345): Ziqulathe izinto ezifana ne-manganese kunye nesilicon, ezikhokelela kumandla aphezulu kunentsimbi yekhabhoni eqhelekileyo. Zifanele izakhiwo ezifana neebhulorho kunye{4}}nemikhumbi yoxinzelelo oluphezulu.
3. Imibhobho yentsimbi engenamthungo kunye neWelded
Imibhobho yentsimbi engenamthungo: Yenziwe ngenkqubo yokugqobhoza okanye yokukhupha, ayinayo i-weld seams kwaye inika ukuxhathisa okukhulu koxinzelelo. Zifanele -uxinzelelo oluphezulu,{2}}imo engqongileyo yobushushu obuphezulu, njengezibiyitha kunye nemibhobho yeoli.
Imibhobho yentsimbi edityanisiweyo (efana ne-ERW kunye ne-LSAW): Yenziwe ngokujiya kunye neepleyiti zentsimbi ze-welding, zineendleko eziphezulu-zisebenzayo kwaye zifanele ukuthuthwa koxinzelelo oluphantsi{1}lokuhamba koxinzelelo, olufana neenkqubo zamanzi negesi.
II. Umahluko ngeNkqubo yeMveliso
1. Umbhobho wentsimbi oshushu{1}
Umbhobho wentsimbi oshushu - uqengqeleke kumaqondo obushushu aphezulu. Inokwakheka okufanayo kwangaphakathi, kodwa inokuba nomphezulu orhabaxa. Isetyenziswa ngokuqhelekileyo kwiindawo zesakhiwo kunye nomatshini.
1
Umbhobho wentsimbi obandayo-oqengqelekayo okanye obandayo{1}ozotyiweyo uye phantsi{2}}ukulungiswa kobushushu, okukhokelela ekuchanekeni okuphezulu komgangatho kunye nomphezulu ogudileyo. Ifanelekile kwizicelo ezineemfuno ezingqongqo ze-dimensional, ezifana noomatshini abachanekileyo kunye neendawo zemoto.
III. Umahluko ngokweSicelo
1. Umbhobho weStructural Steel
Isetyenziswa ikakhulu kulwakhiwo, iibhulorho, kunye nezixhaso zoomatshini, ezinje nge-Q235B yentsimbi yombhobho, igxininisa amandla kunye ne-weldability.
2. Umbhobho weNtsimbi wokuThutha ngolwelo
Isetyenziselwa ukuthutha amanzi, ioli, kunye negesi, njengepayipi yensimbi edibeneyo (API 5L), efuna udonga lwangaphakathi olugudileyo kunye nokumelana nokugqwala.
3. Phezulu{1}}Uxinzelelo/Phezulu{2}}Ubushushu boMbhobho wentsimbi
Kwizicelo ezinjengemibhobho yebhoyila kunye ne-oyile, umbhobho wentsimbi ongenamthungo usetyenziswa ngokuqhelekileyo ukumelana noxinzelelo olugqithisileyo kunye namaqondo obushushu.
IV. Ungawukhetha njani uMbhobho weNtsimbi oSiseko oLungileyo? Izakhiwo zokwakha: I-Carbon structural steel steel (njenge-Q235) ikhethwayo.
Amashishini amachiza / okutya: Ipayipi yensimbi engenasici (efana ne-304, i-316) ikhethwa.
Uthutho oluphezulu {{0}loxinzelelo loxinzelelo: Umbhobho wentsimbi ongenamthungo okanye ialloy uyasetyenziswa.
Oomatshini bokuchaneka: Umbhobho wentsimbi obandayo-obandayo okanye obandayo{1}}oqengqelekayo ukhethiwe ukuqinisekisa ukuchaneka komda.
Ukwahlula phakathi kwemibhobho yensimbi eyisiseko ayibonakali kuphela kwizinto eziphathekayo kunye nobugcisa, kodwa ichaphazela ngokuthe ngqo iimeko zabo zokusetyenziswa. Ukukhetha uhlobo oluchanekileyo lwepayipi yensimbi aluphuculi nje ukhuseleko lweprojekthi, kodwa lunciphisa iindleko kunye nokwandisa ubomi benkonzo.
