Intsimbi yahlulwe ngokwemigangatho yaza yahlulwahlulwa yangamaqela amane: Iintsimbi zekhabhoni, Iintsimbi ze-alloy, Iintsimbi ezingenasici Iintsimbi zezixhobo
Uhlobo 1-Iintsimbi zekhabhoni
Ngaphandle kwekhabhoni nesinyithi, iintsimbi zekhabhoni ziqulathe kuphela ubuninzi bezinye izinto. Iintsimbi zekhabhoni zezona zixhaphakileyo kwiindidi ezine zesinyithi, zibanga i-90% yemveliso iyonke yentsimbi! Intsimbi yekhabhoni yahlulwe yangamaqela amathathu ngokusekelwe kubungakanani bekhabhoni kwisinyithi:
l Iintsimbi zekhabhoni ephantsi/iintsimbi ezithambileyo (ukuya kuthi ga kwi-0.3% yekhabhoni)
l Iintsimbi zekhabhoni eziphakathi (0.3–0.6% yekhabhoni)
l Iintsimbi zekhabhoni eziphezulu (ngaphezulu kwe-0.6% yekhabhoni)
Iinkampani zihlala zivelisa ezi ntsimbi ngobuninzi bazo kuba azibizi kakhulu kwaye zomelele ngokwaneleyo ukuba zisetyenziswe ekwakheni okukhulu.
Uhlobo 2-Iintsimbi ze-alloy
Iintsimbi ze-alloy zenziwa ngokuhlanganisa intsimbi nezinye izinto ze-alloying ezifana ne-nickel, i-copper, i-chromium kunye/okanye i-aluminium. Ukudibanisa ezi zinto kuphucula amandla, ukuguquguquka, ukumelana nokugqwala kunye nokusebenza kakuhle kwentsimbi.
Uhlobo 3-Iintsimbi ezingenasici
Iiklasi zentsimbi engagqwaliyo zixutywe ne-10–20% ye-chromium kunye ne-nickel, i-silicon, i-manganese, kunye ne-carbon. Ngenxa yokwanda kwamandla azo okumelana nemozulu embi, ezi ntsimbi zinokumelana nokugqwala okuphezulu kakhulu kwaye zikhuselekile ukusetyenziswa kulwakhiwo lwangaphandle. Iiklasi zentsimbi engagqwaliyo zikwasetyenziswa kakhulu kwizixhobo zombane.
Umzekelo, i-304 stainless steel ifunwa kakhulu ngenxa yokukwazi kwayo ukumelana nokusingqongileyo ngelixa igcina izixhobo zombane zikhuselekile.
Nangona iintlobo ezahlukeneyo zentsimbi engagqwaliyo, kuquka intsimbi engagqwaliyo engama-304, zinendawo kwizakhiwo, intsimbi engagqwaliyo ithandwa kakhulu ngenxa yeempawu zayo zococeko. Ezi ntsimbi zifumaneka kakhulu kwizixhobo zonyango, kwiipayipi, kwiinqanawa zoxinzelelo, kwizixhobo zokusika nakwimishini yokulungisa ukutya.
Uhlobo 4-Izixhobo zentsimbi
Iintsimbi zezixhobo, njengoko igama lisitsho, zibalasele kwizixhobo zokusika nezokomba. Ubukho be-tungsten, i-molybdenum, i-cobalt kunye ne-vanadium kunceda ukuphucula ukumelana nobushushu kunye nokuqina ngokubanzi. Kwaye ngenxa yokuba zigcina imilo yazo nokuba zisetyenziswa kakhulu, zezona zinto zikhethwayo kwizixhobo ezininzi zesandla.
Ukwahlulwahlulwa kwentsimbi
Ngaphandle kwamaqela amane, intsimbi inokwahlulwa ngokweenguqu ezahlukeneyo eziquka:
Ulwakhiwo: uluhlu lwekhabhoni, i-alloy, i-stainless, njl.
Indlela yokugqiba: i-hot rolled, i-cold rolled, i-cold finished, njl.
Indlela yokuvelisa: isithando sombane, i-cast eqhubekayo, njl.
Ulwakhiwo lweMicro: i-ferritic, i-pearlitic, i-martensitic, njl.
Amandla omzimba: ngokwemigangatho ye-ASTM
Inkqubo yokususa i-oxidation: ibulewe okanye ibulewe kancinci
Unyango lobushushu: olufakwe i-annealed, oluthambileyo, njl.
Umgangatho wokusetyenziswa kwamagama: umgangatho wezorhwebo, umgangatho wesitya soxinzelelo, umgangatho wokuzoba, njl.
Yeyiphi intsimbi engcono kakhulu?
Akukho mgangatho wentsimbi "obalaseleyo" oqhelekileyo, njengoko umgangatho wentsimbi ofanelekileyo kwisicelo uxhomekeke kwizinto ezininzi, njengokusetyenziswa okucetywayo, iimfuno zoomatshini nezomzimba, kunye nemida yemali.
Amanqanaba ensimbi asetyenziswa rhoqo kwaye athathwa njengoluhlu oluphezulu kuhlobo ngalunye aquka:
Iintsimbi zekhabhoni: A36, A529, A572, 1020, 1045, kunye ne-4130
Iintsimbi ze-alloy: 4140, 4150, 4340, 9310, kunye ne-52100
Iintsimbi ezingenasici: 304, 316, 410, kunye ne-420
Izixhobo zentsimbi: D2, H13, kunye ne-M2
I-JINDALAI liqela lentsimbi eliphambili elinokubonelela ngazo zonke iintlobo zentsimbi kwi-coil, sheet, pipe, tube, rod, bar, flanges, elbows, tees, njl. Nika iJindalai imvakalelo yokuthembana, kwaye uya kwaneliseka yimveliso.
Ixesha lokuthumela: Agasti-08-2023
