Ukubuka Konke Komkhiqizo - Iyini Imbiza Enkulu Yezinsalela?
A imbiza enkulu ye-slag(ngokuvamile ibizwa ngokuthiiladle ye-slag enzima, ibhakede le-slag elinomthamo omkhulunomaImbiza yokuguqula i-BOF slag) iyisitsha esikhulu sensimbi esenzelwe ukuqoqa, ukuthutha, nokukhipha i-slag encibilikisiwe ezitsheni zokwenza insimbi ezinamandla aphezulu. Ngokungafani nezimbiza ezijwayelekile ezisetshenziswa ezigayweni eziphakathi nendawo, izimbiza ezinkulu ze-slag ziyasebenzaizitshalo zensimbi ezihlanganisiwelapho ama-converter ekhiqiza amathani angu-200-350 ensimbi ngokushisa ngakunye, ekhiqiza amavolumu amakhulu ngokulinganayo e-slag anesisindo samathani angu-60 kuya kwangu-100 ngebhodwe ngalinye.
Lezi zimbiza zisebenza ku-1,600°C – 1,700°Cfuthi babhekane nokushaqeka okukhulu kokushisa (kusukela ku-slag ebomvu-eshisayo kuya emoyeni ozungezile ngesikhathi sokulahla imfucuza), umthelela womshini ovela ekuphathweni kwe-crane, kanye nokugqwala kwamakhemikhali okuvela ezingxenyeni eziyisisekelo ze-slag. Umklamo wabo kumele futhi uvumelaneimithwalo enamandlangesikhathi sokuthambekela kanye nokumelana nokukhukhuleka isikhathi eside ngaphansi kwemijikelezo enzima ephindaphindwayo.
Izimbiza ezinkulu ze-slag ze-Womic Steel zikhiqizwa kuphela kusetshenziswaukuphonswa okuhlanganisiwe okukodwa, ukususa noma yikuphi ukushisela okungaba yindawo yokuqalisa ukuqhekeka. Yonke iyunithi yakhiwe ngeukuhlaziywa kwe-finite element (FEA)ukulinganisela amandla, isisindo, kanye nokumelana nokukhathala okushisa.
Kungani Kufanele Ukhethe Insimbi Yomhlobiso Wezinsika Ezinkulu?
| Inzuzo | Inzuzo Eningiliziwe |
| Ukulingisa Okuhlanganisiwe Kwamasayizi Amakhulu Kakhulu | Njengoba sikwazi ukuqoqa amatani angu-300 ngomshini owodwa, inqubo yethu isusa imithungo yokushisela ngisho noma inamandla angaphezu kwamatani ayi-100 – okubalulekile ekuvimbeleni ukwehluleka okukhulu emishinini emikhulu. |
| Insimbi Ehlanzekile Kakhulu | Ukuncibilika kwe-EAF + ukuhluza kwe-LF + ukukhishwa kwegesi nge-VD kunciphisa i-S ibe yi-≤0.015%, i-P ibe yi-≤0.018%, i-hydrogen ibe yi-≤2 ppm, okuqinisekisa ukuqina okuphezulu kanye nokumelana nokuqhekeka okubangelwa yi-hydrogen. |
| Umklamo Wokukhathala Okushisa Oklanyelwe Wena | Izingxenye zodonga ezijiyile ezinokuguqulwa kwerediyasi okulungiselelwe kahle, imifantu eklanyelwe ngokukhethekile yokuqeda ukucindezeleka, kanye nokuqina okulawulwayo ukuze kuncishiswe ukugxila kwangaphakathi kokucindezeleka. |
| Umbuso we-NDT Othuthukisiwe | I-UT egcwele ivolumu (kufaka phakathi ukuskena kwe-trunnion root radius), i-Phased Array UT yamajiyometri ayinkimbinkimbi, kanye ne-ACFM yokuthola ukuqhekeka kobuso - idlula amazinga omhlaba wonke. |
| Impilo Yesevisi Ende Kakhulu | Idatha yasensimini evela ezigayweni ezihlanganisiwe ikhombisa ukuthi izimbiza ezinkulu ze-Womic zivame ukwedlulaimijikelezo engu-8,000ngaphambi kokulungiswa okukhulu kokuqala, uma kuqhathaniswa nemijikelezo engu-5,000 yezimbiza ezishisiwe noma ezinezingxenye eziningi. |
| Usekelo Lokuthuthwa Kwezinto Ezisindayo | Izixazululo zokuhamba eziklanyelwe wena: ama-rack ayisicaba, ama-trailer e-modular, imikhumbi yokuphakamisa/yokuphakamisa, kanye nokuhlanganiswa kwe-crane endaweni. Siletha kunoma yiliphi ichweba elikhulu emhlabeni wonke ngomshuwalense ogcwele. |
| Ukuvunyelwa Kwenkampani Yesithathu | Sisebenzisana ne-DNV, ABS, LR, TÜV ukuze kuhlolwe umklamo kanye nokuqapha ukukhiqiza; izitifiketi ze-EN 10204 Type 3.2 ziyatholakala. |
I-Womic Steel isebenzisana nethimba lakho lobunjiniyela kusukela esigabeni somqondo, isebenzisaI-FEA kanye nokulingisa kwesakhiwo sokushisaukuqinisekisa ukujiya kodonga, ukwakheka kwe-stiffener, kanye nomklamo we-trunnion ngaphambi kokuthi siqale ukusakaza.
Imininingwane Yobuchwepheshe – Imbiza Enkulu Ye-Slag (Amathani angu-60–100+)
Ububanzi Bomthamo Nobukhulu
| Amandla Okuqokwa (amathani) | Isisindo Esijwayelekile (amathani) | Ivolumu (m³) | Ububanzi obungezansi (mm) | Ububanzi obuphezulu (mm) | Ukuphakama (mm) |
| 60 | 45–55 | 28–35 | 1,600 | 2,400 | 2,100 |
| 70 | 55–65 | 32–40 | 1,700 | 2,550 | 2,250 |
| 80 | 60–72 | 36–45 | 1,800 | 2,700 | 2,400 |
| 90 | 68–80 | 40–50 | 1,850 | 2,800 | 2,500 |
| 100 | 75–90 | 45–58 | 1,950 | 2,950 | 2,650 |
| >100 (ngokwezifiso) | kufika ku-120+ | kufika ku-70+ | ukuze kwenziwe ubunjiniyela | ukuze kwenziwe ubunjiniyela | ukuze kwenziwe ubunjiniyela |
Zonke izilinganiso ziyinkomba; izilinganiso zokugcina zilungiselelwe ngokwezindawo zakho zokuvula i-crane kanye nokuphakama kwe-spout yokuthepha kwesithando.
Izincomo Zezinga Lezinto Ezisetshenziswayo Zezimbiza Ezinkulu
| Ibanga | Okujwayelekile | Amandla Okudonsa (i-MPa) | Amandla Okukhiqiza (i-MPa) | Ukwelulwa (%) | Okufanelekile Kakhulu |
| I-ZG310-570 | I-GB/T 11352 | ≥570 | ≥310 | ≥15 | Amandla aphezulu angabizi kakhulu, i-BOF/EAF enkulu jikelele |
| I-ZG340-640 | I-GB/T 11352 | ≥640 | ≥340 | ≥12 | Ukuqina okuphezulu nokumelana nokukhukhuleka |
| I-GS-20Mn5 | I-DIN 17182 | 500-650 | ≥300 | ≥22 | Amaphrojekthi aseYurophu, ukushintshwa okuthuthukisiwe kokulungiswa |
| I-ASTM A27 65-35 | I-ASTM | ≥448 | ≥241 | ≥24 | Izindinganiso zaseNyakatho Melika, irekhodi eliqinisekisiwe |
| 1.6220 (16MnCr5) | I-EN 10293 | 600-800 | ≥400 | ≥14 | Izinhlelo zokusebenza ezikhethekile zokuguguleka okuphezulu |
Umklamo Onzima We-Trunnion
| Ipharamitha | Isidingo Sezimbiza Ze-Slag Ezingama-60–100t |
| Izinto | 40CrNiMo noma 34CrNiMo6 (ukumelana nokukhathala okuphezulu) |
| Indlela Yokuphonsa | I-Integral cast enama-internal chiller ukuqinisekisa ukuthi iphilile |
| Ukwelashwa Kokushisa | Kucinyiwe + Kuqiniswe ukuze kufinyelelwe ku-32-38 HRC |
| Izinga le-NDT | Isigaba V se-ASME, UT kubude be-trunnion yonke + indawo ye-radius |
| Isici Sokuphepha | 4:1 nge-FEM/ISO 8686 ngayinye yamadivayisi okuphakamisa |
| Ukuhlolwa Komthwalo Wobufakazi | Ukuzikhethela kodwa kungenziwa nofakazi |
| Isiteji | Izinga lokushisa | Ubude besikhathi | Ukupholisa |
| Ukuqinisa | 880–920°C | Ingxenye engu-1.5hr/25mm | Umoya noma umoya ophoqelelwe ukuze kulungiswe |
| Ukulinganisela | 560–620°C | Ingxenye yamahora ama-2/25mm | Umoya |
| (Ongakukhetha) Ukukhululeka Ekucindezelekeni | 520–550°C | Amahora angu-4-8 | Isithando somlilo sipholile |
Iphrothokholi Yokwelapha Ukushisa Kwama-Large Castings
Ukuvikelwa Komphezulu Wezimbiza Ezinkulu Ze-Slag
| Indawo | Imininingwane | Inhloso |
| Isitsha sangaphakathi | Kusetshenziswe ngomshini ngokunemba, ukuthambekela ≥ 8° maqondana nesikhungo | Ukukhishwa kwe-slag okusheshayo, gwema ukufriza |
| Umngcele ongaphezulu | Kuqiniswe ngomphetho oxutshwe nge-chamfered | Ukumelana nomthelela ngesikhathi sokulahla i-slag |
| Izihlalo zeTrunnion | Kufakwe umshini wokubekezelelana kwe-H9 | Ukulingana okunembile nezingwegwe ze-crane |
| Igobolondo langaphandle | I-Blash clean Sa 2.5 + i-aluminium silicone coating (250μm DFT) | Ukumelana ne-oxidation kufika ku-800°C |
Ukulawulwa Kwekhwalithi Yamabhodwe Amakhulu E-Slag – Ngale Kokujwayelekile
Kumabhodwe amakhulu kakhulu e-slag, i-Womic Steel isebenzisaUhlelo lokuhlola olunamaphuzu ayi-12ilungiselelwe ukuthungwa okukhulu:
| Isiteji | Ukuhlolwa | Indlela / Okujwayelekile | Ukwamukelwa |
| 1 | Impahla eluhlaza | I-Spectrometer + OES | Ukuhlaziywa okugcwele kwendebe |
| 2 | Ukuqinisekiswa kwesikhunta | Ukuskena nge-laser ye-3D | Iphrofayili engu-±2mm |
| 3 | Izinga lokushisa elingaphakathi kwesikhunta | Iqoqo lekhamera yokushisa | Ukugcwaliswa okufanayo |
| 4 | I-ultrasound ngemuva kokuthululwa | Isithwebuli se-UT esisebenzisa ngokuzenzakalelayo (izinto ezingu-64) | Akukho ukuzwakala okungaphezu kuka-80% DAC |
| 5 | Indawo ye-Trunnion | I-Phased Array UT + TOFD | Akukho ziphambeko ezihleliwe > 3mm |
| 6 | Izinhlayiya ze-magnetic | Indlela ye-Yoke imbozwe ngokuphelele | Izinkomba eziqondile ze-zero |
| 7 | Umbiko wobukhulu | I-Laser tracker + CMM yamabhore e-trunnion | Ngaphakathi kwe-≤1mm lapho kufaneleka khona kakhulu |
| 8 | Imephu yokuqina | Ubulukhuni be-Leeb obuphathekayo (amaphuzu angu-20) | Iyunifomu ±10HB |
| 9 | Ukuhlolwa kwemishini | I-Tensile + Charpy-V (-20°C / -40°C) | Umzuzu wokuhlangana nebanga. |
| 10 | Ubufakazi be-hydrostatic (ongakukhetha) | Ingcindezi yokusebenza engu-1.5x | Akukho ukuvuza noma ukuguqulwa |
| 11 | Ukuhlolwa komthwalo (ongakukhetha) | Umthamo olinganiselwe ongu-1.25x kuma-trunnion | Ukuguqulwa okuhlala njalo <0.1% |
| 12 | Okubonakalayo kokugcina kanye nokumaka | Ngezithombe ezisezingeni eliphezulu + irekhodi levidiyo | Ukulandeleka okuphelele |
Wonke amarekhodi ahlanganiswe ndawonye abe yi-Idokhumenti Yekhwalithiilethwe nomkhiqizo.
Inqubo Yokukhiqiza - Kusukela Ensimbini Ebunjiwe Kuya Ebhodweni Elikhulu Le-Slag Elilungele Ukusetshenziswa
●Ubunjiniyela kanye ne-FEA- Ukulingisa kwesakhiwo sokushisa kubikezela izindawo ezishisayo, ukugxila ekucindezelekeni, kanye nokuphila kokukhathala.
●Isikhunta Sesihlabathi Esiphrintiwe Nge-3D (se-geometry eyinkimbinkimbi)- Ukukhetha okusheshayo kokuklama izimbambo okuyinkimbinkimbi.
●Ukwakhiwa Kwephethini Elikhulu– Iphethini yokhuni/yensimbi eyenziwe ngomshini we-CNC ukuze kube nokunemba okuphindaphindiwe.
●Ukuncibilika kwe-EAF + LF + VD– Ikhiqiza insimbi ehlanzekile kakhulu ngokulawula ukwakheka kwayo okuqinile.
●Ukuthulula Okuphansi (Ukuphonsa Okukodwa)– Imbiza yonke – isitsha, ama-trunnion, kanye nezimbambo zokuqinisa – kuthululwe kanye.
●Ukuqina Okulingisiwe– Izikhuphuli kanye nokubanda okuqondiswa yi-CAE ukuze kuqedwe izikhala zokuncibilika.
●Ukwelashwa Kokushisa– Ukulungisa nokulungisa esithandweni esikhulu esingaphansi kwemoto (kufika ku-12m ubude).
●Ukuhlanza Okungafanele Nokufaka Ama-Felt– Ukugaya ngerobhothi ukuze kube nobubanzi obuhambisanayo.
●Ukuhlolwa Okungabhubhisi– I-UT ephelele + uhlu oluhlukaniswe ngezigaba + i-MT.
●Umshini– Isigayo esibhobozayo esivundlile semigodi ye-trunnion kanye nesisekelo sesitsha.
●Ukugqoka Nokumaka Kokugcina– Upende oshisa kakhulu + inombolo yochungechunge enesitembu.
●Ukulayisha Nokuthumela– Ukusebenzisa ama-trailer okuphakamisa izinto ezisindayo kanye nezitifiketi zokubopha.
Ukupakishwa Nokuthunyelwa Kwezimbiza Ze-Slag Ezinkulu Kakhulu
● Ukuhambisa izinsimbi zensimbi ezingamathani angu-60–100 kudinga izinto ezikhethekile zokuthutha. I-Womic Steel inikeza:
●Imbobo yokulayisha:IShanghai, iTianjin, noma eduze nendawo yethu yokukhiqiza izinsimbi
●Indlela yokuthutha:Izitsha zokubeka i-flat rack (kufika ku-45 tons), izitsha ezivulekile phezulu (kufika ku-35 tons), noma i-break bulk ezitsheni zezinhloso eziningi
●Ukuvikela:Izihlalo zensimbi ezenziwe ngokwezifiso, izingidi ezisontekile, ukuboshwa ngeketanga okunezitifiketi zokuboshwa ngeketanga eziqinisekisiwe
●Ukumaka:Isikhungo sokudonsa phansi, amaphuzu okuphakamisa, isisindo, kanye nemiyalelo yokuphatha ngezilimi ezi-3
●Imibhalo:Uhlelo lokuthumela impahla ethwala izinto ezisindayo, ukuhambisana nemithetho ye-IMO (uma kungekho zimpahla eziyingozi), kanye nomshwalense ofinyelela ku-110% wenani le-invoyisi.
Siphinde sisize ngezinto ezihlanganisa abathengi futhi sinikeze ukuqapha ukulayisha endaweni.
Izifundo Zezimo - Ukusebenza Okuqinile Kwangempela
Amagama amakhasimende ayimfihlo; amarekhodi aqinisekisiwe ayatholakala uma ecelwa.
Icala 1: Imbiza Ye-BOF Slag Engamathani angu-85 Yesigayo Esihlanganisiwe SaseBrazil (CSN)
Inselele:Izimbiza ezikhona zaqhekeka ngemva kwemijikelezo engu-3,000, okwabangela ukungasebenzi kahle okungahleliwe kanye nezingozi zokuphepha.
Isixazululo:Ukufakwa okukodwa ngensimbi ye-ZG340-640, iphrofayili engezansi eyenziwe ngcono yi-FEA, ungqimba olungaphezulu oluyi-100mm ubukhulu. I-UT ezimpandeni ze-trunnion ene-phased array.
Umphumela:Kufinyelelwe imbiza yokuqalaimijikelezo eyi-10,200ngaphandle koqhekeko. Ngithenge ezinye ezingu-15 eminyakeni engaphezu kwemi-3.
Icala 2: Imbiza Yesithando Somlilo Sikagesi Esingamathani ayi-100 – Umkhiqizi Wensimbi YaseTurkey
Inselele:Ukushaqeka okukhulu kokushisa okuvela ku-slag ephezulu kakhulu yesisekelo (CaO/SiO₂ >3). Izimbiza zendabuko zahlala ngaphansi konyaka owodwa.
Isixazululo:Izinga eliphezulu le-Mo ne-Ni elihlanganisiwe (elifana ne-GS-20Mn5 eliguquliwe), ukucima komoya okuphoqelelwe ngemva kokushisa, ukugqoka okunamathelayo ebusweni bangaphakathi.
Umphumela:Impilo emaphakathi inyukile yabaIzinyanga ezingu-14– Kude ngo-40% kunanoma yimuphi umhlinzeki wangaphambilini. I-ROI izoba nomthelela omuhle zingakapheli izinyanga ezingu-8.
Ikesi 3: I-Ladle Ye-Slag Eyenziwe Ngokwezifiso Engamathani angu-110 – I-Canadian Mining & Smelting Complex
Inselele:Ukuphakama kwetroli kulinganiselwe ku-2.8m kuyilapho kudinga umthamo ongu-45 m³.
Isixazululo:Isimo se-elliptical esinezinsika eziqinisiwe, eziklanywe futhi zabunjwa ngokuphelele. I-FEA enamandla ibonakalise ukuphepha.
Umphumela:Kulethwe emavikini angu-42 (kufaka phakathi ubunjiniyela), kusasebenza ngemva kweminyaka engu-6.
Izicelo – Lapho Izimbiza Ezinkulu Ze-Slag Zisebenza Ku-Excel
●Isitolo se-Basic Oxygen Furnace (BOF)– Iziguquli ezingama-180t kuya kuma-350t
●Isithando Somlilo Se-Electric Arc (EAF) esinamandla aphezulu kakhulu- ukwenza insimbi esuselwe ezilahlweni
●I-metallurgy yesibili (LF/VD)- ukubamba nokudlulisa ama-slag
●Izincibilikisi ezingezona i-ferrous– ukuncibilikisa ithusi, i-nickel matte
●Izitshalo ezikhipha uthuli– ukuthuthwa kwe-slag okushisa okuphezulu
●Izakhiwo zensimbi ezinezitofu ezinkulu zokungenisa
Imibuzo Evame Ukubuzwa (Imibuzo Evame Ukubuzwa) – Konke okuqukethwe okusha
Q: Kungani izimbiza ezinkulu ze-slag kudingeka zibe yi-cast eyodwa kunokuba zifakwe i-welded?
A: Imithungo ehlanganisiwe ezitsheni ezinkulu ibhekana nomehluko omkhulu wokucindezeleka kokushisa (1,600°C ngaphakathi nangaphandle). Ukungafani kokukhula kokushisa kudala imifantu yokukhathala ezinzwaneni ze-weld ngemijikelezo embalwa nje engu-2,000. Ukufakwa kwe-Integral kususa yonke imigqa ye-weld, kusabalalise ukucindezeleka ngokulinganayo ngensimbi efanayo.
U: Uyihlola kanjani imbiza ye-slag engamathani ayi-100 ukuze uthole amaphutha afihliwe?
A: Sihlanganisa ukuhlolwa kwe-ultrasonic okuzenzakalelayo (i-AU) ne-phased array ukuze siskena ivolumu engu-100%, kanye ne-thermography ngesikhathi sokwelashwa kokushisa, kanye nokuhlolwa kwezinhlayiya zamagnetic kuzo zonke izindawo. Izindawo ze-trunnion zithola i-diffraction eyengeziwe yesikhathi sokundiza (i-TOFD) ukuze kutholakale imifantu.
Q: Singayisebenzisa yini imbiza efanayo ye-slag kokubili isevisi ye-BOF ne-EAF?
A: Akukhuthazwa. I-BOF slag ithambile kakhulu kodwa inamandla kakhulu ngamakhemikhali; i-EAF slag ine-viscosity ephezulu futhi iqukethe izinto zensimbi. Siklama ama-engeli odonga lwebhodwe kanye nama-linings ngokukhethekile enkambisweni eyodwa. Izimbiza zezinhloso ezimbili zivame ukusebenza kabi.
Q: Singakanani isikhathi esijwayelekile sokulethwa kwebhodwe le-slag elingamathani angu-70?
A: Amaviki angu-22-26 kusukela ekuvunyelweni kokudweba kokugcina. Lokhu kufaka phakathi ukwenza amaphethini (amasonto ama-4), ukwenziwa kwe-cast kanye nokwelashwa kokushisa (amasonto ayi-6), i-NDT (amasonto ama-2), kanye nokufakelwa/ukumbozwa (amasonto ama-2). Ama-oda asheshayo angenzeka ngephethini ekhona kakade.
U: Ngingalindela imijikelezo emingaki ngaphambi kokulungiswa kokuqala?
A: Ngokusekelwe kudatha yethu evela kuma-mill angu-38 ahlanganisiwe, imijikelezo ephakathi ngaphambi kwanoma yikuphi ukuqhekeka kwendawo okutholakalayo kuyatholakalaimijikelezo engu-8,200. Ukugaya okuncane kungandisa impilo kuze kube yimijikelezo engu-12,000. Ukuvuselelwa kabusha okuphelele kunconywa njalo eminyakeni eyi-10 noma imijikelezo engu-15,000.
U: Ungakwazi yini ukunikeza amabhodwe e-slag ngokutholwa kwe-slag okuzenzakalelayo noma ukuqapha izinga lokushisa?
A: Yebo. Singahlanganisa ama-thermocouple phansi ebhodweni (ngezikhwama ezivikelayo) bese sifake i-mounting pad yezinzwa zezinga le-radar slag. Iziteshi zokuxhuma izintambo ziyafakwa ukuze kugwenywe ama-bracket angaphandle.
U: Ungakanani ububanzi bangaphandle obukhulu ongabubumba?
A: Imboni yethu yokusekela ihlanganisa ububanzi obungafika kumamitha angu-3.6 (amasentimitha angu-142). Amabhodwe amakhulu angakhiqizwa ngokusebenzisa ukubumba okuhlukaniswe ngezigaba kanye nokushisela, kodwa sincoma kakhulu ukubumba okuhlanganisiwe ukuze kusebenze kahle kakhulu.
Q: Ingabe ninikeza iwaranti ende yezimbiza ezinkulu ze-slag?
A: Sinikeza iwaranti yezinyanga ezingu-18 / imijikelezo engu-5,000 - noma yikuphi okuza kuqala. Lokhu kuphindwe kabili kunezinga lomkhakha. Isiqinisekiso esisekelwe ekusebenzeni okukhethwayo singaxoxiswana ngaso ngama-oda aphindaphindwayo.
U: Uqinisekisa kanjani amandla e-trunnion ngemva kwemijikelezo eminingana?
A: Sincoma i-UT ephathekayo ehlala njalo ezinyangeni eziyi-12. I-Womic inganikeza ikhithi yokuhlola insimu kanye nokuqeqeshwa. Uma kutholakala ukuguguleka okukhulu, ama-trunnion angambozwa ngensimbi yokushisela bese eshintshwa.
U: Ungakwazi yini ukuklama imbiza ye-slag ukuze ilingane nezingwegwe zethu ze-crane ezikhona ngaphandle kokushintsha i-crane?
A: Impela. Sidinga umdwebo wephrofayili ye-crane hook (kufaka phakathi ububanzi bokuvula i-hook, ukujula komphimbo, kanye ne-rediyumu ye-clearance). Sifanisa i-trunnion geometry ngqo nemishini yakho yokuphakamisa ekhona.
Ukulungele ukuthuthukisa imikhumbi yakho emikhulu ye-slag pot?
Xhumana ne-Womic Steel ukuthola ulwazi oluthe xaxaisibuyekezo sobunjiniyela obungenasibophoyesistimu yakho yamanje yokuphatha i-slag.
Iwebhusayithi: www.womicsteel.com
I-imeyili: sales@womicsteel.com
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Insimbi Yomhlobiso – Ukuqinisa ukuthembeka kuyo yonke imbiza enkulu ye-slag, ukubumba okukodwa ngesikhathi.








