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Ukuveliswa kwezintonga ezijikelezileyo zentsimbi engagqwaliyo ezinobukhulu obahlukeneyo, umgangatho olungileyo kunye nexabiso eliphantsi
Iingenelo zeentonga zentsimbi engagqwaliyo zibonakala kakhulu kwezi zinto zilandelayo: Okokuqala, inokumelana nokugqwala okuhle kakhulu, inokuhlala izinzile kwiindawo ezifumileyo nezine-asidi, kwaye ayilula ukuyigqwala. Okwesibini, iintonga zentsimbi engagqwaliyo zinamandla aphezulu kwaye ziqinile kwaye zifanelekile ukuthwala imithwalo emikhulu ukuqinisekisa ukhuseleko lwesakhiwo. Ukongeza, umphezulu wayo uthambile, kulula ukuwucoca, uhlangabezana nemigangatho yococeko, kwaye ufanelekile ngakumbi kumashishini okutya namayeza. Okokugqibela, ubuhle kunye nokuqina kweentonga zentsimbi engagqwaliyo kuzenza zisetyenziswe kakhulu ekwakheni nasekuhombiseni, nto leyo ephucula uyilo ngokubanzi.
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Umbhobho wentsimbi engenamthungo we-ASTM osemgangathweni ophezulu omelana nobushushu 431 631 Ityhubhu yentsimbi engagqwaliyo
Iipayipi zentsimbi engagqwali zenziwe ngentsimbi engagqwali enomxholo we-chromium ≥10.5% (ezifana neeklasi eziqhelekileyo ezingama-304 kunye nama-316L). Zinamandla aphezulu (amandla okutsalwa ≥515MPa), ukumelana nokugqwala okugqwesileyo (ifilimu yokuthambisa umphezulu ayimelani nokugqwala kwe-asidi/ityuwa) kunye nokhuseleko lococeko (ukugqitywa komphezulu womgangatho wokutya i-Ra≤0.8μm). Zenziwe ngeenkqubo zombhobho wokuqengqeleka obandayo ongenamthungo okanye welding oqhelekileyo kwaye zisetyenziswa kakhulu kwiipayipi zeekhemikhali (316L ezimelana ne-asidi), izakhiwo zezakhiwo (ii-304 curtain wall keels), izixhobo zonyango (iipayipi ezicocekileyo ezicocekileyo) kunye nezixhobo zamandla (iipayipi zokudlulisa ubushushu obuphantsi kakhulu be-LNG). Zezona zixhobo ziphambili kwicandelo lokuvelisa eliphezulu.
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Ukumelana noxinzelelo olumelana ne-asidi 316 304 Umbhobho wentsimbi engenasici ongama-201 ongenamthungo oWelded Cold Rolled Stainless Steel
Umbhobho wentsimbi engenasicisisixhobo sentsimbi esijikelezayo esinomngxuma, esisetyenziswa kakhulu kwiipayipi zoshishino ezifana nepetroleum, iikhemikhali, ezonyango, ukutya, imboni yokukhanya, izixhobo zoomatshini, kunye neendawo zokwakha zoomatshini. Ukongeza, xa amandla okugoba kunye nokujika kwesakhiwo afanayo, ubunzima bulula, ngoko ke sisetyenziswa kakhulu ekwenziweni kweendawo zoomatshini kunye nezakhiwo zobunjineli. Sikwasetyenziswa kakhulu kwifenitshala nakwizixhobo zasekhitshini.
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Ubungakanani obupheleleyo be-AISI 201/304/316 Ipleyiti yesinyithi i-SS304L 316L 430 Eshushu / Ebandayo Eqengqelekayo ye-2b Ba 8K Mirror No. 1 Iphepha/Ipleyiti yentsimbi engagqwaliyo ekhazimlisiweyo enemiqolo yeenwele
Ishidi lesinyithi esingenasiciyishiti yesinyithi esithe tyaba, esixande esisongiweyo esenziwe ngentsimbi engagqwaliyo (ngokuyintloko equlethe izinto ezidibanisayo ezifana ne-chromium kunye ne-nickel). Iimpawu zayo eziphambili ziquka ukumelana nokugqwala okugqwesileyo (ngenxa yefilimu yokukhusela i-chromium oxide eziphilisayo eyenziwe phezu komphezulu), ubuhle kunye nokuqina (umphezulu wayo okhanyayo ulungele unyango olwahlukeneyo), amandla aphezulu, kunye neempawu zococeko kunye nokulula ukuzicoca. Ezi mpawu ziyenza ibe yinto ebalulekileyo ebaluleke kakhulu kwiintlobo ngeentlobo zezicelo, kubandakanya iindonga zekhethini kunye nokuhombisa, izixhobo zasekhitshini kunye nezixhobo, izixhobo zonyango, ukucubungula ukutya, izikhongozeli zeekhemikhali, kunye nokuthutha. Ikwabonelela ngoomatshini ababalaseleyo (ukwenza kunye nokuwelda) kunye nenzuzo yokusingqongileyo yokuba inokuphinda isetyenziswe nge-100%.
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2b/Ba/No. 1/No. 4/Hl/8K Ss Coil Cold Rolled/Hot Rolled 201 304 316 309S 310S 321 430 904L Stainless Steel Coil
Ikhoyili yentsimbi engenasicisisixhobo sesinyithi esimelana nokugqwala, esomeleleyo nesihlala senziwa ngamashiti entsimbi engagqwaliyo ngokusebenzisa iinkqubo zokuqengqeleka ezishushu nezibandayo. I-coil yentsimbi engagqwaliyo yenziwe kakhulu ngentsimbi, i-chromium, i-nickel, kunye nezinye izinto zesinyithi. Inkqubo yayo yokuvelisa ibandakanya ukulungiswa kwezinto eziluhlaza, ukunyibilikisa, ukuqengqeleka okushushu nokubandayo, kunye nonyango lomphezulu. Ukunyibilikisa linyathelo elibalulekileyo kwimveliso ye-coil yentsimbi engagqwaliyo kwaye yenye yezona nkqubo zinzima kwimveliso yemveliso yentsimbi engagqwaliyo.
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I-ASTM A312 304L 316L 6mtr Imibhobho yentsimbi engenamthungo engwevu emhlophe efakwe i-pickled
Umbhobho wentsimbi engenasicisisiqwenga eside sentsimbi ye-alloy enganyangekiyo ngumhlwa. Icandelo layo eliphambili yintsimbi, equlethe ubuncinane i-10.5% ye-chromium (Cr). Izinto ezifana ne-nickel (Ni) kunye ne-molybdenum (Mo) zihlala zongezwa ukuphucula iipropati ezithile. Iimpawu zayo ezibalaseleyo kukumelana kwayo okugqwesileyo kokugqwala kunye ne-oxidation, ngenxa yefilimu exineneyo eyenziwe kumphezulu wayo, evumela ukusetyenziswa kwayo ngokubanzi kwiindawo ezifumileyo, ezibolayo ngamakhemikhali, okanye ezishushu kakhulu. Umbhobho wentsimbi engatyiwayo ukwanika amandla agqwesileyo, ukuqina, ucoceko (kulula ukuwucoca nokubulala iintsholongwane), kunye nokusebenza kakuhle komatshini kunye nokuwelda. Izinto eziqhelekileyo ziquka iintsimbi ezingatyiwayo ze-austenitic ezifana ne-304 (injongo eqhelekileyo) kunye ne-316 (enganyangekiyo ngakumbi kumhlwa, equlethe i-molybdenum). Ukusetyenziswa kwayo kwahlukahlukene kakhulu, kuquka ukuhombisa izakhiwo (ii-handrails, ii-guardrails), ukuthuthwa kolwelo (amanzi, igesi, i-chemical media), ukucutshungulwa kokutya neziselo, izixhobo zonyango, ukuveliswa kweemoto, amashishini amandla (ipetroli, amandla enyukliya), iimpahla zasekhaya, kunye nezixhobo ezichanekileyo. Sisixhobo esibalulekileyo esibalulekileyo kushishino nakubomi banamhlanje. Unyango lomphezulu olufana nokupholisha kunye nokugquma isanti lungasetyenziswa ukuhlangabezana neemfuno zobuhle kunye nokusebenza. Ngokubanzi, imibhobho yentsimbi engagqwaliyo zezona zinto zikhethwayo zemibhobho kwiindawo ezininzi ngenxa yokuqina kwayo, ucoceko, ubuhle bayo, kunye nokuguquguquka kwayo.






