1. Chii chinonzi Hot Rolled Steel Material Grades
Simbi isimbi ine kabhoni shoma. Zvigadzirwa zvesimbi zvinouya mumhando dzakasiyana zvichienderana nehuwandu hwekabhoni yazviri. Makirasi akasiyana esimbi anorongwa zvichienderana nehuwandu hwekabhoni yazvo. Makirasi esimbi anoputirwa anoiswa mumapoka ekabhoni anotevera:
Simbi isina kabhoni yakawanda kana kuti isina kabhoni yakawanda ine kabhoni inosvika 0.3% kana pasi payo.
Simbi yekabhoni iri pakati nepakati ine kabhoni iri pakati pe0.3% kusvika 0.6%.
Simbi dzine kabhoni yakawanda dzine kabhoni inopfuura 0.6%.
Zvimwe zvinhu zvidiki zvekubatanidza zvinhu zvakaita sechromium, manganese kana tungsten zvinowedzerwawo kuti zvigadzire mamwe magiredhi esimbi akawanda. Magiredhi akasiyana esimbi anopa hunhu hwakasiyana hwakadai sekusimba kwekusimba, ductility, kuchinjika, kugara kwenguva refu, uye kupisa uye kufambisa magetsi.
2. Kusiyana pakati peSimbi Inopisa Yakaputirwa neSimbi Yakaputirwa Yakatonhora
Zvizhinji zvezvigadzirwa zvesimbi zvinogadzirwa nenzira mbiri huru: kupisa kutenderedza kana kutenderedza kunotonhora. Simbi inotenderedzwa inopisa inzira yekugaya iyo simbi inodzvanywa patembiricha yakakwira. Kazhinji, tembiricha yesimbi inotenderedzwa inopisa inodarika 1700°F. Simbi inotenderedzwa inotonhora inzira iyo simbi inodzvanywa patembiricha yemumba.
Zvakakosha kuziva kuti simbi inoputirwa inopisa nesimbi inoputirwa inotonhora hazvisi zvemhando yesimbi. Ndidzo nzira dzekugadzira simbi dzakagadzirwa kare dzinoshandiswa kugadzira zvinhu zvakasiyana-siyana zvesimbi.
Maitiro Esimbi Yakaputirwa Inopisa
Simbi inopisa inomonereka inosanganisira kugadzira nekumonereka simbi kuita chidimbu chakareba ichipiswa pamusoro pekupisa kwayo kwakanyanya. Chidimbu chinopisa chinopihwa kuburikidza nema "roll mills" akatevedzana kuti chiumbwe uye chitambanudzwe kuita chidimbu chakatetepa. Mushure mekunge chagadzirwa, chidimbu chesimbi chinotonhodzwa nemvura uye chinomonereka kuita coil. Mwero yakasiyana yekutonhodza mvura inovandudza mamwe maitiro esimbi musimbi.
Kugadzirisa simbi inopisa yakamonerwa patembiricha yemumba kunoita kuti iwedzere simba uye ductility.
Simbi inopfurwa inopisa inowanzo shandiswa pakuvaka, njanji dzezvitima, simbi yesimbi, nezvimwe zvinhu zvisingade magadzirirwo anoyevedza kana maumbirwo chaiwo uye kushivirira.
Maitiro eSimbi Yakaputirwa Inotonhora
Simbi inoputirwa inotonhora inodziiswa uye inotonhodzwa sesimbi inoputirwa inopisa asi inozogadziriswazve uchishandisa annealing kana temper rolling kuti iwedzere simba rekudhonza uye simba rekupa. Basa rakawedzerwa nenguva yekugadzirisa zvinowedzera mutengo asi zvinobvumira kushivirirana kwakadzama uye zvinopa sarudzo dzakasiyana-siyana dzekupedzisa. Iyi mhando yesimbi ine kupedzisa kwakapfava uye inoshandiswa muzvishandiso zvinoda mamiriro chaiwo epamusoro uye kushivirirana kwakadzama.
Mashandisirwo akajairika esimbi inotonhorera inotonhora anosanganisira zvikamu zvechivakwa, fenicha yesimbi, midziyo yemumba, zvikamu zvemotokari uye mashandisirwo ehunyanzvi uko kwakakosha kunyatsoongorora kana kutaridzika zvakanaka.
3.Magiredhi eSimbi Anopisa Akakungurutswa
Simbi inopfurwa inopisa inowanikwa mumagiredhi akasiyana-siyana kuti ienderane nezvinodiwa neprojekiti yako. Sangano reAmerican Society for Testing and Materials (ASTM) kana kuti Society of Automotive Engineers (SAE) rinoisa mwero nemagiredhi zvichienderana nechimiro chesimbi yega yega uye kugona kwayo.
Magiredhi esimbi eASTM anotanga nebhii rekuti “A” iro rinomiririra simbi dzine ferrous. Sisitimu yekugadza yeSAE (inozivikanwawo seAmerican Iron and Steel Institute kana kuti AISI system) inoshandisa nhamba ine manhamba mana pakuronga. Magiredhi esimbi ine kabhoni musystem iyi anotanga nenhamba 10, ichiteverwa nenhamba mbiri dzinoratidza huwandu hwekabhoni.
Izvi zvinotevera ndiwo marudzi akajairika esimbi inoputirwa inopisa. Ndapota cherechedzai kuti zvimwe zvigadzirwa zvinowanikwa mumhando mbiri dzinoputirwa inopisa uye inotonhora.
A36 Simbi Inopisa Yakamonerwa
Simbi yeA36 inopfurwa nekupisa ndeimwe yesimbi dzinopfurwa nekupisa dzinonyanya kufarirwa dziripo (inowanikwawo mumhando ye "cold rolled", iyo isinganyanyi kuwanda). Iyi simbi ine kabhoni shoma inochengetedza kabhoni iri pasi pe0.3% nehuremu, 1.03% manganese, 0.28% silicon, 0.2% copper, 0.04% phosphorus, uye 0.05% sarufa. Mashandisirwo akajairika esimbi yeA36 anosanganisira:
Mafuremu erori
Midziyo yekurima
Kuchengetera masherufu
Nzira dzekufamba nadzo, nzvimbo dzekufamba nadzo, uye nzira dzekudzivirira
Rutsigiro rwechivakwa
Matrayera
Kugadzirwa kwakajairika
1018 Bhawa reSimbi yeKabhoni Yakaputirwa Inopisa
Pedyo neA36, AISI/SAE 1018 ndeimwe yemhando dzesimbi dzinonyanya kushandiswa. Kazhinji, mhando iyi inoshandiswa kupfuura A36 yemhando dzebhara kana strip. Zvinhu zvesimbi zve1018 zvinouya mumhando dzese dzakaputirwa dzinopisa nedzinotonhora, kunyangwe dzakaputirwa dzinotonhora dzichinyanya kushandiswa. Mhando dzese dzine simba nekuomarara kuri nani pane A36 uye dzakakodzera zviri nani pakugadzira zvinhu zvinotonhora, zvakaita sekukombama kana kuputira. 1018 ine 0.18% kabhoni uye 0.6-0.9% manganese, iri pasi peA36. Inewo zvisaririra zvephosphorus nesarufa asi tsvina shoma pane A36.
Zvishandiso zvesimbi zve1018 zvinosanganisira:
Magiya
Mapini
Makonzo
Zvishandiso zvemafuta
Mapini
Mapini echeni
MaLiner
Mitsipa
Pini dzechibatiso
1011 Sheti reSimbi Rinopisa Rakaputirwa
1011 Sheti nendiro yesimbi inomonereka inopisa inopa nzvimbo yakaoma kupfuura simbi inomonereka inotonhora. Kana yakashongedzwa, inoshandiswawo mukushandiswa uko kunodiwa kuti isapinda ngura. Sheti nendiro yesimbi ine simba rakawanda uye inogona kugadzirwa zvakanaka zviri nyore kuboora, kugadzira uye kusanganisa. Sheti nendiro yesimbi inomonereka inopisa inowanikwa seP&O yakajairwa inomonereka inopisa kana kuti inopisa.
Zvimwe zvezvakanakira zvine chekuita ne 1011 hot rolled steel sheet and plate zvinosanganisira kuwedzera kuchinjika, mwero wepamusoro wekugadzirwa, uye kuderera kana zvichienzaniswa ne cold rolling. Mashandisirwo anosanganisira:
Kuvaka & kuvaka
Mota & kutakurwa
Matangi ekutumira
Kudenga
Midziyo yemagetsi
Midziyo inorema
Simbi Yakaputirwa neASTM A513 Inopisa
Zvinodiwa zveASTM A513 ndezvemachubhu esimbi yekabhoni inopfurwa inopisa. Machubhu esimbi inopfurwa inopisa anogadzirwa nekupfuudza simbi inodziya nepakati pemaroller kuti awane saizi chaiyo yemuviri. Chigadzirwa chapera chine magumo asina kunaka ane makona akatenderera uye chivakwa chakasungirirwa kana chisina musono. Nekuda kwezvinhu izvi, chubhu yesimbi inopfurwa inopisa inonyanya kukodzera kushandiswa kusingade maumbirwo chaiwo kana kushivirira kwakasimba.
Chubhu yesimbi inopfurwa inopisa iri nyore kucheka, kusundira, kugadzira, uye kushandisa muchina. Inoshandiswa mumaindasitiri akasiyana-siyana, anosanganisira:
Zvigadziko zveinjini
Zvigadziko zveBushing
Kuvakwa kwezvivakwa/kuvaka
Mota nemidziyo yakafanana nayo (matrailer, nezvimwewo)
Midziyo yeindasitiri
Mafuremu emagetsi ezuva
Midziyo yepamba
Ndege/nzvimbo yemuchadenga
Midziyo yekurima
Simbi Yakaputirwa neASTM A786 Inopisa
Simbi yeASTM A786 inopfurwa nekupisa ine simba guru. Inowanzogadzirwa kuti ishandiswe musimbi yesimbi inoshandiswa muzvinhu zvinotevera:
Mapasi
Nzira yekufamba
1020/1025 Simbi Inopisa Yakamoneredzwa
Yakanakira kuvaka nekushandisa mainjiniya, simbi ye1020/1025 inowanzoshandiswa pakushandisa zvinotevera:
Zvishandiso uye madhiri
Zvikamu zvemichina
Midziyo yemotokari
Midziyo yeindasitiri
Kana uri kufunga nezvekutenga hot rolled coil, hot rolled sheet, cold rolled coil, cold rolled plate, ona sarudzo dzaunadzo JINDALAI uye funga nezvekufonera timu yedu kuti uwane rumwe ruzivo. Tichakupa mhinduro yakanakisa yepurojekiti yako. Ndapota inzwa wakasununguka kutibata.
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Nguva yekutumira: Kurume-06-2023
