Umhlinzeki Wamashubhu E-ERW Welded Carbon Steel A178
Yensiza ye-Boiler & Superheater – I-OD 6~204mm | WT 1~I-18mm
Uhlolojikelele Lomkhiqizo
Yethu I-ASTM A178 / I-ASME SA178 amashubhu ensimbi ekhabhoni ahlanganisiwe (ERW) aklanyelwe ngokukhethekile insiza ye-boiler ne-superheater emazingeni omfutho aphansi kuya kwaphakathi. Akhiqizwa ngokushisela ngogesi (ERW) ngaphandle kokungeza insimbi yokugcwalisa, lawa mashubhu anikeza enye indlela engabizi kakhulu esikhundleni samashubhu e-boiler angenamthungo ezinhlelweni ezingabalulekile.
Imininingwane Eyisisekelo:
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Izinga: I-ASTM A178 / I-ASME SA178
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Ukukhiqiza: I-ERW (Electric Resistance Welded – ayikho insimbi yokugcwalisa)
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Amazinga: A (i-Carbon ephansi), C (i-Carbon ephakathi), D (i-Carbon-Manganese)
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Ububanzi obungaphandle: 6mm – 204mm (Isitoko Esijwayelekile: 19mm – 89mm)
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Ubukhulu Bodonga: 1mm – 18mm
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Ubude: 3m – 12m (Ubude obungokwezifiso buyatholakala)
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Ukwelashwa Ngokushisa: Ijwayelekile ngemuva kokushisela – umthungo opholile wokucindezeleka
✅ Iqinisekiswe nge-ASTM A178 – Ihambisana ne-ASME Boiler & Pressure Vessel Code Isigaba II
✅ Ukwenziwa kwe-ERW – Enye indlela engabizi kakhulu esikhundleni se-seamless
✅ Kwelashwa ngokushisa ngemuva kokushisela – Umthungo wokushisela okhululiwe ingcindezi – izakhiwo ezifanayo
✅ Amazinga amaningi – A (ejwayelekile), C (amandla aphezulu), D (amandla aphezulu kakhulu)
✅ Ihlolwe nge-hydrostatic noma i-NDT ngokugcwele – Ikuqinisekisa ubuqotho
✅ I-EN 10204 Uhlobo 3.1 MTC inikezwe inombolo yokushisa
✅ Ngqo evela efektri – Intengo encintisanayo nokulethwa okusheshayo
Ukukhetha Izinga
| Izinga | Ukutholakala Kwekhabhoni | Izinga Lamandla | Ukusetshenziswa Okuhle Kakhulu |
|---|---|---|---|
| A | Iphansi (0.06-0.18%) | Izinga | Ukusebenza okujwayelekile kwe-boiler |
| C | Okuphakathi (≤0.35%) | Phezulu | Ama-boiler okushisa okuphezulu |
| D | I-Carbon-Manganese | Phezulu Kakhulu | Insebenzi ye-superheater edinga amandla |
💡 I-Grade A ingeyona engonga kakhulu ukusetshenziswa kwe-boiler evamile. I-Grade C ne-D inikeza amandla aphezulu ezinhlelweni ezidinga kakhulu.
Ukwakheka kwamakhemikhali
| Isici | I-Grade A | I-Grade C | I-Grade D |
|---|---|---|---|
| Ikhabhoni (C) | 0.06-0.18% | ≤0.35% | ≤0.27% |
| I-Manganese (Mn) | 0.27-0.63% | ≤0.80% | 1.00-1.50% |
| I-Phosphorus (P) | ≤0.035% | ≤0.035% | ≤0.030% |
| Isulfure (S) | ≤0.040% | ≤0.035% | ≤0.015% |
Izici Zomshini
| I-Grade | Amandla Okuqina (MPa) | Amandla Okuvumela (MPa) | Ukunwebeka (%) |
|---|---|---|---|
| C | ≥415 | ≥255 | ≥30 |
| D | ≥485 | ≥275 | ≥30 |
📌 Izakhiwo zemishini zisebenza kuma-Grades C no-D. I-Grade A ivamise ukusetshenziselwa insiza evamile lapho izidingo eziqondile zamandla zingabalulekile.
Inqubo Yokukhiqiza – I-ERW (Ukushisela Ukumelana Nogesi)
Izinqubo Ezibalulekile Zokwenziwa Kwe-ERW:
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Ikhoyili lensimbi – Izinto zokuqala ziyi-carbon steel strip yekhwalithi ephezulu
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Ukubumba – Umucu ugotshwa ube isimo esiyisilinda
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Ukushisela nge-ERW – Ukushisela ngogesi okumelana namandla aphezulu (akukho nsimbhi yokugcwalisa)
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Ukwelashwa ngokushisa – Iyajwayeleka ngemva kokushiselwa – ikhulula ingcindezi emgqeni wokushisela
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Ukulinganisa – Ububanzi bokugcina bufinyelelwa ngokudlula emaroli okulinganisa
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Ukuhlolwa kwe-NDT okungu-100% – Ukuhlolwa komthungo wokushisela nokuhlolwa kwe-hydrostatic
I-ASTM A178 vs Amashubhu e-Boiler angenamthungo (SA192/SA179)
| Isici | I-ASTM A178 (ERW) | Okungenamthungo (SA192/SA179) |
|---|---|---|
| Ukukhiqiza | I-ERW ene-welded (ayikho insimbi yokugcwalisa) | Ayinamthungo |
| Izindleko | Phansi (konga kakhulu) | Phezulu |
| Isilinganiso somfutho | Phakathi | Okuphezulu Kakhulu |
| Umthungo wokushisela | Ikhona (elashwe ngokushisa) | Ayikho umthungo wokushisela |
| Kufaneleka kakhulu | Okungabalulekile, okubiza imali | Umfutho ophakeme obucayi |
💡 Khetha i-ASTM A178 kumaphrojekthi anesabelomali esilinganiselwe lapho izidingo zokucindezela zilingene futhi amashubhu angenamthungo engacaciswanga.
Izicelo Ezibalulekile
| Imboni | Ukusetshenziswa | I-Grade Enconyiwe |
|---|---|---|
| Amabhoyela Ezimboni | Ukukhiqiza umhwamuko | I-Grade A |
| Ama-boiler omfutho ophansi | Amashubhu odonga lwamanzi | I-Grade A |
| Amashubhu E-Superheater | Igesi enezinga lokushisa eliphezulu | I-Grade C, D |
| Iziphetho Eziphephile | Ukuxhumana kwe-Boiler | I-Grade A |
| Ama-Boiler Okubuyisela Ukushisa | Izingxenye ze-Economizer | Izinga A |
Kungani Ukhetha Amashubhu Ethu E-ASTM A178 ERW?
| Inzuzo | Incazelo |
|---|---|
| Konga Izindleko | Intengo ephansi kunamashubhu e-boiler angenamthungo |
| Umthungo wokushisela ophathwe ukushisa | Kukhululiwe ukucindezeleka – izakhiwo ezifanayo |
| Amazinga amaningi | A, C, D – qondanisa amandla nensiza |
| Ububanzi obubanzi bosayizi | OD 6-204mm – ukuthola konke endaweni eyodwa |
| Usayizi ojwayelekile wesitoko | 19-89mm – ilungele ukuthunyelwa |
| Kuhlolwe 100% | I-Hydrostatic noma i-NDT kushubhu ngalinye |
| Ukulandeleka okugcwele | I-EN 10204 3.1 MTC enenombolo yokushisa |
Xhumana ukuze Uthole Isilinganiso
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Phendula phakathi namahora angu-24.
Amathegi: I-ASTM A178 Ishubhu Le-Boiler Le-ERW Ithubhu Elishiswa Ngogesi Elimele Ukuphikiswa ASME SA178 Ishubhu Lensimbi Elishiselwe Ibhoyela Thubhu
