Umkhiqizo:I-SA210 Grade A-1 (ASTM A210/ASME SA210) ishubhu eline-rifle elinomphetho oqinile lensimbi ephakathi nekhabhoni – elinomugqa ongaphakathi onezintambo ezijikelezayo ebusweni bangaphakathi. Likhiqizwa ngokudonsa okubandayo phezu kwepulaki ene-rifle eklanywe ngokukhethekile. Lakhelwe izindonga zamanzi zebhoyila ezinomfutho ophezulu (amayunithi abucayi kakhulu nabucayi kakhulu angaphezu kuka-300,000 KW). I-rifle yangaphakathi ibangela amandla e-centrifugal ahlukanisa amanzi nomusi, iphoqa uketshezi odongeni lweshubhu ukuze kugcinwe ukubila kwe-nucleate nokuvimbela ukwakheka kwefilimu yomusi.
Amagama angukhiye:Ishubhu elinemichilo ye-SA210, ishubhu elingenamthungo le-SA210 lebanga A-1, ishubhu lebhoyila elinemichilo eminingi, ishubhu elinemichilo yangaphakathi, ishubhu elinemichilo ebandayo, ishubhu lebhoyila lamanzi, ishubhu elinemichilo ejikelezayo, ishubhu lebhoyila le-ASME SA210, ishubhu lebhoyila elibandayo lebanga A-1, ishubhu lebhoyila elisebenza kahle kakhulu, udonga lwamanzi lwebhoyila olubucayi kakhulu, umenzi weshubhu elinemichilo, umhlinzeki weshubhu elinemichilo eShayina
Inothi mayelana namagama asetshenziswayo:“Ishubhu elinemichilo” kanye “neshubhu elinemichilo yangaphakathi” kubhekisela kumkhiqizo ofanayo. Womabili la magama achaza amashubhu angenamthungo anezimbambo ezijikelezayo ezakhiwe ebusweni bangaphakathi ngokudonswa okubandayo phezu kwepulaki elinemiphetho. ukuhola okuningiUkuqokwa kubonisa izimbambo eziningi ezijikelezayo ezihambisanayo (ngokuvamile iziqalo ezi-4 noma ezi-6) ezigijima ngobude bethubhu.
1. Izinto Eziyisisekelo: Insimbi Engenamthungo ye-SA210 Grade A-1 Medium-Carbon Steel
I-ASTM A210/ASME SA210 iyincazelo ejwayelekile yamashubhu ensimbi e-medium-carbon angenamthungo kanye namashubhu e-superheater. Le ncazelo ihlanganisa amashubhu ensimbi anobukhulu obuncane bodonga lwamapayipi e-boiler, okuhlanganisa iziphetho eziphephile, amashubhu e-arch, amashubhu okuhlala, namashubhu e-superheater. I-SA210 Grade A-1 iyibanga elisetshenziswa kakhulu kwinsizakalo yamashubhu e-boiler ajwayelekile, enikeza ibhalansi enhle kakhulu yamandla, ukuguquguquka, kanye nezindleko.
Ukuze uthole insizakalo yokucindezela okuphezulu kanye nokushisa okuphezulu, i-SA210 Grade C (okuqukethwe okuphezulu kwekhabhoni, amandla aphezulu) nayo iyatholakala. Kodwa-ke, i-Grade A-1 isalokhu iyindinganiso yemboni yezicelo zodonga lwamanzi ezidinga ukwakheka okuhle ukuze kugobeke kubanda kanye nokusebenza okuthembekile emazingeni okushisa ensimbi afinyelela ku-425°C (800°F).
1.1 Ukwakheka Kwamakhemikhali (Ibanga le-ASTM A210 A-1)
| Isici | Isidingo (ubuningi/umzuzu) | Okuvamile (Insimbi Yabesifazane) |
| Ikhabhoni (C) | ≤0.27% | 0.22-0.25% |
| I-Manganese (Mn) | ≤0.93% | 0.45-0.60% |
| I-Silicon (Si) | ≥0.10% | 0.18-0.33% |
| I-Phosphorus (P) | ≤0.035% | ≤0.015% |
| I-Sulfur (S) | ≤0.035% | ≤0.010% |
Umthombo wethebula: Imininingwane ye-ASTM A210 / ASME SA210
1.2 Izakhiwo Zemishini
| Impahla | Isidingo Sebanga A-1 | Okuvamile (Insimbi Yabesifazane) |
| Amandla Okukhiqiza (iminithi) | 255 MPa (37,000 psi) | 280-320 MPa |
| Amandla Okudonsa (iminithi) | I-415 MPa (60,000 psi) | 450-520 MPa |
| Ukwelulwa (iminithi) | 30% (i-longitudinal) | 32-36% |
| Ubulukhuni (ubuningi) | 79 HRB / 143 HB | 70-75 HRB |
*Ibanga C (0.24-0.31% C, YS≥275 MPa, TS≥485 MPa) linikeza amandla aphezulu ngo-5-10% kodwa liphansi ukuguquguquka; kunconywa amashubhu e-superheater kanye nensizakalo yokushisa okuphezulu.*
1.3 Izakhiwo Ezibonakalayo
| Impahla | Inani |
| Ubuningi | 7.85 g/cm³ |
| Izinga lokushisa eliphezulu lesevisi | 425°C (800°F) |
| I-Modulus yokuqina | 200 GPa |
| Ukushisa (100°C) | ~48 W/m·K |
| Isilinganiso sokunwetshwa | 12.2 μm/m·K (20-200°C) |
1.4 Izindinganiso Ezisebenzayo
| Okujwayelekile | Incazelo |
| I-ASTM A210 / A210M | Imininingwane Ejwayelekile Ye-Seamless Medium-Carbon Steel Boiler kanye Ne-Superheater Tubes |
| I-ASME SA210 | Uhlobo lwe-ASME (izimfuneko ezifanayo) |
| I-GB/T 20409-2018 | Izinga likazwelonke laseShayina lamashubhu anezibhamu (amashubhu angenamthungo ebhoyila enomfutho ophezulu) |
| EN 10216-2 (okungaqhathaniswa) | Izinga laseYurophu lamapayipi ensimbi angenamthungo ngezinjongo zokucindezela |
2. Ishubhu Elinezibhamu Eziningi: Amapharamitha Ejiyometri
Amashubhu e-Multi-lead rifled (MLR) ahlukaniswa ngezigaba ezimbili ezijwayelekile, ngayinye eyenzelwe izimo ezithile zokusebenza:
| Ipharamitha | Uhlobo A (Olujwayelekile) | Uhlobo B / Okulungiselelwe |
| I-engeli ye-Helix | 30° | 30°+ (kufika ku-40°+) |
| Ukuthuthukiswa kokudluliselwa kokushisa | 30% ngaphezulu kwepayipi elibushelelezi | 50%+ ngaphezulu kwepayipi elibushelelezi (eliqongelelekayo) |
| Inani lama-lead (ukuqala kwe-rib) | 4 noma 6 | 4 noma 6 |
| I-geometry yembambo | Iphrofayili engunxande | Kulungiselelwe (okuyindilinga noma okuneziqeshana) |
Amashubhu ajwayelekile anezinti eziningi ahlukaniswe ngezinhlobo ezimbili (Uhlobo A nohlobo B) ane-engeli ye-helix engama-degree angu-30. Amashubhu anezinti eziningi alungiselelwe angaba ne-engeli ye-helix efika ku-40°+, anikeza ukuthuthukiswa okwengeziwe okungu-20% ekusebenzeni kahle kokushisa ngaphezu kwamashubhu anezinti ezijwayelekile.
Idatha yocwaningo:ithubhu yesibhamu enezimbambo ezine, ububanzi bangaphandle obungu-25mm, ukuphakama kwezimbambo kungu-0.68mm, ububanzi bezimbambo bungu-9.25mm, kanye ne-engeli ye-helix engu-60°, iqinisekiswe ngokuhlola. Izifundo zezinombolo ziqinisekisa ukuthi imiklamo yethubhu enezimbambo ezihlanganisiwe elungiselelwe kahle enezimbambo eziyisikwele (ukuphakama okungu-0.775mm, ama-engeli e-helix angu-30° no-58°) ithuthukisa ukugeleza kwesibili kwe-helical eduze kodonga lwethubhu, okuthuthukisa kakhulu ukusebenza kahle kokudlulisa ukushisa.
Ukwanda kwendawo engaphezulu:Ubude bendawo yangaphakathi ngeyunithi ngayinye yamapayipi anezinti ngaphakathi cishe buphindwe izikhathi ezingu-1.5 kuya kwezingu-2.4 kunemapayipi abushelelezi anobubanzi obufanayo bangaphandle. Inqubo yokudweba ebandayo yakha udonga lwangaphakathi lube isakhiwo esinezinti ezijikelezayo esinobukhulu obuqondile bejometri, okwandisa kakhulu indawo yokudlulisa ukushisa esebenzayo yepayipi uma kuqhathaniswa namapayipi angenalutho.
2.1 Imininingwane Ejwayelekile (Kusukela Ekukhiqizweni Kwangempela)
| OD × Isisindo (mm) | Ukusetshenziswa Okuvamile |
| Φ28.6 × 6.2 | Amaphaneli odonga lwamanzi, umfutho ophakathi |
| Φ31.8 × 5.5 | Amaphaneli odonga lwamanzi |
| Φ38.1 × 7.5 | Ipayipi lodonga lamanzi elijwayelekile |
| Φ63.5 × 7.5 | Udonga olukhulu lwamanzi ebhoyila |
| Φ66.7 × 8 | Amabhoyila abaluleke kakhulu/abaluleke kakhulu |
*Izincazelo ezivamile zamashubhu e-SA210 e-Grade A-1 kanye ne-Grade C ane-rifled rifled amaningi*
2.2 Ukubekezelelana Kokukhiqiza (Okudonswa Ngobandayo)
| Ipharamitha | Ukubekezelelana |
| Ububanzi bangaphandle (OD) | ±0.10 mm ye-OD <25.4 mm; ±0.15 mm ye-OD 25.4–38.1 mm |
| Ubukhulu bodonga | -0% / +20% yokudonsa okubandayo |
| Ubude | +20/-0 mm |
| Ukuqonda | ≤1.5 mm ngemitha |
Umthombo: Ukubekezelelana kwamapayipi adonswayo abandayo e-ASTM A210
3. Inqubo Yokukhiqiza - Ukudweba Okubandayo Nge-Rifled Plug
I-Womic Steel ikhiqiza amashubhu ebhoyila angenamthungo e-SA210 Grade A-1 amaningi e-Grade A-1 esebenzisa inqubo yokudweba ebandayo eyenziwe kahle enepulaki ejikelezayo ene-rifle. Inqubo iqala nge-feedstock yepayipi engenamthungo eshisayo, esebenza njengezinto zokuqala zemisebenzi elandelayo yokudweba ebandayo. Ngemva kokuba ukudweba kokuqala okubandayo kudlule ngepulaki ebushelelezi ukuze kufinyelelwe ubukhulu obuqinile, umsebenzi wokugcina wokudweba usebenzisa ipulaki ene-rifles eziningi.
Ipulaki eklanywe ngokukhethekile (efakwe imigoqo ngaphandle ngephethini eliyindilinga) ifakwa epayipini lensimbi bese inamathiselwa ku-mandrel ejikelezayo. Ipayipi idonswa nge-diye yokunciphisa, futhi njengoba ipayipi lidonswa phambili, ipulaki liyajikeleza, lakha izimbambo eziningi eziqhubekayo ze-helical ebusweni bangaphakathi. Umzimba wepulaki unemigoqo yangaphandle ehlukaniswe ngokulinganayo eduze kwe-axis yayo ephakathi, kanye nezindawo zangaphandle ezishintshana phakathi kwemigoqo. Lapho ipayipi lidonswa phezu kwaleli pulaki eliyindilinga, izindawo zihlaba umxhwele iphethini ejikelezayo elawulwayo—ngokuvamile izimbambo ezi-4 noma ezi-6 ezilinganayo ezihlukaniswe ngokulinganayo—odongeni lwangaphakathi lwepayipi, kuyilapho imigoqo ivumela insimbi esusiwe ukuba igeleze.
Ukulingisa okuthuthukisiwe kwezinombolo (i-Finite Element Method, i-FEM) kusetshenziselwa ukwenza ngcono i-die geometry ngaphambi kokuqaliswa kokukhiqiza, ukunciphisa ukukhubazeka kodonga lwe-seizure kanye ne-tube. Izinzuzo ezibalulekile zale nqubo zifaka phakathi ukwakheka kwezimbambo okuzinzile, ukukhiqiza okuphezulu, impilo yamathuluzi ende, i-rib geometry ehambisanayo, kanye nokuphela kobuso obubushelelezi bangaphakathi. Ubukhulu bokugcina obufinyelelwayo budonswa kubanda ku-OD kanye ne-WT eqondile, kuphathwe ngokushisa okuphelele (okujwayelekile), kanye nokuhlolwa kwe-100% NDT.
4. Indlela Yokuthuthukisa Ukudluliselwa Kokushisa – Kungani Amapayipi Anezibhamu Esebenza
Emapayipini ebhoyila abushelelezi, amabhamuza omusi ayahlangana ebusweni bangaphakathi, akhe ifilimu yomusi eqhubekayo. Le filimu yomusi ayisebenzi kahle ekushiseni, okuholela ekunciphiseni okukhulu ekusebenzeni kahle kokudlulisa ukushisa futhi okungenzeka kubangele ukushisa ngokweqile kanye nokwehluleka kwepayipi (ukuphuma ekubileni kwe-nucleate, noma i-DNB).
Amapayipi anezibhamu axazulula le nkinga ngokufaka amandla e-centrifugal ekugelezeni, esunduza amanzi acwebezelayo odongeni lwepayipi kuyilapho umusi uhamba uye enkabeni. Le ndlela inikeza izinzuzo ezine ezibalulekile:
Ukucindezelwa kwe-DNB— ungqimba lwamanzi odongeni luqinisekisa ukubila okuqhubekayo kwe-nucleate ngisho nalapho kushisa kakhulu.
Ukomisa okubambezelekile— ezimweni ezingabalulekile kangako, ukudubula ngezibhamu kwandisa ukubambezeleka kokumiswa, kuvikela ubuqotho bepayipi.
Ukushisa okuphezulu okubucayi— ukubila kwe-nucleate kugcinwa ngemithwalo yokushisa ephezulu kakhulu.
Ukuthuthukiswa kokudluliselwa kokushisa— ngisho noma i-flux yesisindo iphansi, ithubhu elinemichilo ithuthukisa kakhulu ukudluliselwa kokushisa ngenkathi inciphisa ukugeleza kwesisindo okudingekayo ukuze kuphole ngokwanele.
Izifundo ze-CFD zezinombolo zibonisa ukuthi ukwenza ngcono amapharamitha ejiyometri—kufaka phakathi inani lokuqala kwezibhamu, ukuphakama kwembambo, kanye nobude bephimbo lezibhamu—kungandisa kakhulu ukudluliselwa kokushisa ngale kwemiklamo eyisisekelo enezibhamu. Ukugeleza kwe-swirl okukhiqizwa yizimbambo ze-helical kudala ifilimu encane yoketshezi odongeni, okwandisa kakhulu i-coefficient yokudluliselwa kokushisa uma kuqhathaniswa namashubhu abushelelezi.
5. Ukulawulwa Kwekhwalithi Nokuhlolwa
Iqembu ngalinye le-SA210 A-1 eline-rifle lihlolwa kanzima ngokwezidingo ezijwayelekile:
| Ukuhlolwa | Indlela | Ububanzi |
| Ukuhlaziywa kwamakhemikhali | I-spectrometer ye-OES | Ngokushisa ngakunye (iqoqo ngalinye) |
| Ukuhlolwa kokuqina | I-ASTM A370 | Ngokushisa ngakunye (ngeqoqo ngalinye) |
| Ukuhlolwa kokuqina | I-HRB / HB | Ngeqoqo ngalinye |
| Ukuhlolwa kwe-hydrostatic | Ingcindezi yomklamo engu-≥1.5× | Ithubhu ngalinye |
| Ugesi we-Eddy / UT (NDT) | Okuzenzakalelayo ku-inthanethi noma ngaphandle komugqa | Ukuhlolwa okungu-100% |
| Ukuvutha nokuthobisa | I-ASTM A450 | Ngeqoqo ngalinye (ukuqinisekisa ukuguquguquka) |
| Ukuhlonza Izinto Ezinhle (i-PMI) | I-XRF (ongakukhetha) | Ithubhu ngalinye noma njengoba kudingeka |
| Ukuhlolwa kobukhulu | I-Laser / calipers / i-optical comparator | 100% (OD, WT, i-rib geometry, i-helix angle) |
Ukulinganiswa kwe-geometry yembambo:Inani lezimbambo, ukuphakama kwezimbambo, ububanzi bezimbambo, ubude bephimbo, kanye ne-engeli ye-helix kuqinisekiswa kusetshenziswa ama-precision optical comparator noma ama-profilometer. Lawa mapharamitha kumele ahambisane kulo lonke ubude beshubhu eligcwele ukuqinisekisa ukusebenza okufanayo kokudlulisa ukushisa.
Izitifiketi:EN 10204 Uhlobo 3.1 (olujwayelekile), Uhlobo 3.2 (nofakazi wesithathu). Ukuhlolwa komuntu wesithathu yi-SGS, BV, DNV, TÜV kuyatholakala.
6. Izicelo – Lapho i-SA210 A-1 Rifled Tubes Excel
Amashubhu angenamthungo anezinti eziningi asetshenziswa kakhulu ezindongeni zamanzi zamabhoyila ezitshalo zamandla amakhulu angaphansi kokubaluleka kanye naphezulu kakhulu (ngokuvamile amayunithi alinganiswa ku-300,000 KW nangaphezulu). IShayina yodwa isebenzisa cishe amathani angu-25,000–30,000 amashubhu anezinti minyaka yonke ngale njongo. Amabanga ajwayelekile ezinto zokwakha afaka phakathi i-SA210 Grade A-1, i-SA210 Grade C, kanye ne-SA213 T2.
Izinhlelo zokusebenza ezithile zifaka:
l Amaphaneli odonga lwamanzikuma-boiler abucayi kakhulu
l Amaphaneli odonga amanzi abaluleke kakhulu/abaluleke kakhulungaphezu kuka-300,000 KW
l Izindawo zokushisa ezihwamukayo
l Izindawo eziphansi zesithando somlilongokushisa okuphezulu kakhulu
l Izimboni zamakhemikhali kanye nogesiokudinga ukushintshaniswa kokushisa okuphezulu
Umthombo: Imininingwane yobuchwepheshe yeshubhu yensimbi engenamthungo ene-multi-lead rifled
7. Ukuqhathaniswa Kwebanga – Isikhathi Sokusebenzisa i-SA210 A-1 vs. i-SA210 C vs. Ezinye Izinto
| Ibanga / Izinto | Okuqukethwe kwekhabhoni | Amandla Okukhiqiza | Izici Eziyinhloko | Ukusetshenziswa Okunconyiwe |
| I-SA210 A-1 | ≤0.27% | ubuncane be-255 MPa | Ukwakheka okuhle kakhulu kokugoba okubandayo; amandla aphakathi; okungabizi kakhulu | Izindonga zamanzi ezijwayelekile zebhoyila, izindawo eziphansi zokushintsha kokushisa |
| SA210 C | ≤0.35% | ubuncane be-275 MPa | Amandla aphezulu; isivuno esiphezulu ngo-5-10% kune-A-1; kungenzeka izindonga ezincane | Amapayipi e-Superheater; izindawo zokushisa eziphakeme; izindonga zamanzi ezinengcindezi ephezulu |
| I-SA213 T2 | 0.10-0.20% | ubuncane be-205 MPa | I-Cr-Mo (0.5%Cr, 0.5%Mo); ukumelana okuthuthukisiwe kokushisa okuphezulu | Amashubhu ebhoyila okushisa okuphezulu; izindawo zokuhluza |
| I-SA213 T12 | 0.05-0.15% | ubuncane be-220 MPa | I-1%Cr-0.5%Mo alloy; amandla amahle kakhulu okuhamba emazingeni okushisa aphezulu | Izindonga zebhoyila ezibucayi kakhulu; izihloko zokushisa okuphezulu |
| I-SA209 T1a | 0.10-0.20% | ubuncane be-205 MPa | I-Cr-Mo (0.5%Cr, 0.5%Mo); efana ne-T2 | Amapayipi odonga olukhanyayo; ukusetshenziswa komfutho ophezulu |
Ukukhetha ibanga elifanele kubalulekile — ukusebenzisa ibanga elingaphansi kwe-alloy (T2/T12) kwandisa ngokungadingekile izindleko zezinto zokwakha, kuyilapho ukusebenzisa ibanga lensimbi yekhabhoni (A-1) ezindaweni zokushisa eziphakeme kakhulu kuyingozi yokwehluleka kwepayipi ngenxa yomonakalo wokukhukhuleka.*
8. Imibuzo Evame Ukubuzwa (Imibuzo Evame Ukubuzwa)
Q1: Iyini inzuzo yokudlulisa ukushisa ngaphezu kwamapayipi abushelelezi?
A: Amashubhu ajwayelekile ane-rifled rifled (i-angle ye-helix engama-degree angu-30) athuthukisa ukusebenza kahle kokushisa ngo-30% uma kuqhathaniswa namashubhu abushelelezi. Amashubhu ane-rifled alungiselelwe (i-angle ye-helix engama-degree angu-40+) angaletha ukuthuthukiswa okwengeziwe okungu-20%, ukuze kube nokuzuza kokusebenza kahle okungu-50% noma ngaphezulu.
Umbuzo 2: Yiziphi izinto ezingasetshenziswa kumashubhu anemibhobho?
A: Izinto ezivamile zifaka phakathi i-ASME SA210 Grade A-1, i-SA210 Grade C, kanye ne-SA213 T2. Ngenkathi i-SA213 T2 (i-Cr-Mo alloy) nayo ingafakwa i-rifle, ibiza kakhulu futhi ivame ukugcinelwa izindawo zokushisa eziphakeme. I-Womic Steel ingakhiqiza namashubhu ane-rifle ku-SA213 T12, SA213 T22, kanye namanye amazinga enziwe ngokwezifiso ngokwezidingo zamakhasimende.
UMBUZO 3: Uqinisekisa kanjani i-inner rib geometry?
A: Inani lezimbambo, ukuphakama kwezimbambo, ububanzi bezimbambo, ubude bephimbo, kanye ne-engeli ye-helix kuqinisekiswa kusetshenziswa ama-comparators optical anembile noma ama-profilometer. Imibiko egcwele iyatholakala ngebhetshi ngayinye.
Umbuzo 4: Ingabe amashubhu anezibhamu ayatholakala ngobukhulu obujwayelekile?
A: Yebo. Singakhiqiza amashubhu anezimbobo ngokwezidingo zamakhasimende, okuhlanganisa i-OD yangokwezifiso, ukujiya kodonga, inani lokuqalisa kwezimbobo (4 noma 6), i-engeli ye-helix, kanye ne-geometry yezimbobo. Sicela unikeze izidingo zakho zesisombululo esenziwe ngokwezifiso.
Q5: Yikuphi ukuqedwa kobuso okutholakalayo?
A: Ukuqeda okujwayelekile kuyafakwa emanzini abandayo futhi kufakwe emanzini abandayo (AP) ukuze kuhlanzeke izindawo zangaphandle nezangaphakathi. Ukuqeda okukhanyayo okufakwe emanzini abandayo (BA) noma okupholishiwe kuyatholakala uma ucela.
Q6: Yiziphi izitifiketi ozinikezayo?
A: Isitifiketi Sokuhlolwa Komshini ngokwe-EN 10204 Uhlobo 3.1 (olujwayelekile), Uhlobo 3.2 olunofakazi beqembu lesithathu (SGS, BV, DNV, TÜV) olutholakalayo. Ukulandeleka okugcwele kusukela enombolweni yokushisa kuya epayipini ngalinye eliqediwe.
Umbuzo 7: Ingabe niyanikeza ukuhlolwa komuntu wesithathu?
A: Yebo. Senza kube lula ukuhlolwa yi-SGS, BV, DNV, TÜV, ABS, LR. Kutholakale ubufakazi be-PMI, ukuhlolwa kobukhulu, kanye nokuhlolwa kwemishini uma kuceliwe.
Umbuzo 8: Singakanani isikhathi esijwayelekile sokuhola samashubhu anezibhamu e-SA210 A-1?
A: Ngemininingwane ejwayelekile (Φ28.6×6.2, Φ38.1×7.5, njll.), isikhathi sokuhola cishe siyizinsuku ezingu-30–45 kusukela ekuqinisekisweni kwe-oda. Imininingwane yangokwezifiso idinga izinsuku ezingu-45–60.
Umbuzo 9: Iyiphi i-engeli ephezulu kakhulu ye-helix engafinyeleleka kumashubhu ane-rifle e-SA210 A-1?
A: Ama-engeli ajwayelekile e-helix asukela ku-30° kuya ku-60°, kuye ngokuthi kusetshenziswe kanjani kanye nemingcele yejometri. Imiklamo elungiselelwe kahle enama-engeli e-helix afinyelela ku-60° iye yaqinisekiswa ngokuhlolwa futhi ifanele izindonga zamanzi zebhoyila ezisebenza kahle kakhulu.
Umbuzo 10: Ungakwazi yini ukunikeza amashubhu anemibhobho ngokuhlelwa kwe-U okugobile?
A: Yebo, sinikeza ukugoba okubandayo kwamashubhu anezimpondo ezinama-mandrel, kulandelwe ukwelashwa kokushisa okugcwele kanye ne-100% NDT yendawo yokugoba. Sicela ucele ikhotheshini ehlukile yokugoba kwe-U.
Umbuzo 11: Ungakwazi yini ukunikeza amashubhu anezibhamu anesitifiketi se-NACE MR0175?
A: Insimbi yekhabhoni ye-SA210 Grade A-1 ayivamile ukucaciswa ngenkonzo emuncu (H₂S). Ngezinhlelo zokusebenza ezidinga kokubili ukumelana nezibhamu kanye nenkonzo emuncu, sincoma amazinga e-alloy (isb., i-SA213 T2) aneziqu ze-NACE ozikhethela zona. Sicela uthintane nethimba lethu lobunjiniyela ukuthola izidingo ezithile.
Umbuzo 12: Bungakanani ubukhulu bodonga obuncane bokukhiqizwa kwepayipi elinemichilo?
A: Ubukhulu bodonga obuncane obungakhiqizwa buxhomeke kububanzi bangaphandle kanye ne-geometry ethile yembambo. Ukuze kukhiqizwe okujwayelekile, ubukhulu bodonga obungu-≥4.0mm buyanconywa ukuze kusetshenziswe izibhamu ngendlela ethembekile. Sicela uxhumane nathi ukuze uxoxe ngezidingo zakho zosayizi othize.
Umbuzo 13: Ingabe inqubo yokudonsa ebandayo iyazithinta izakhiwo zemishini zepayipi?
A: Inqubo yokudweba okubandayo iyasebenza - iqinisa impahla, ikhulisa amandla. Kodwa-ke, ukuqinisa isisombululo sokugcina (ukulungisa) kubuyisela ukuguquguquka futhi kuqinisekisa ukuthi izakhiwo zemishini ziyahlangabezana nezidingo ze-ASTM A210 Grade A-1. Ukulungisa kwenziwa ngemva kokudlula kokudweba okubandayo kokugcina.
Umbuzo 14: Ungakwazi yini ukukhiqiza amashubhu anezimbambo ezinezimbambo ezi-6-lead (eziqala ngo-6)?
A: Yebo. Amashubhu anama-lead amaningi ayatholakala anokulungiswa kokuqala okungu-4 noma ukuqala okungu-6. Inani lama-lead likhethwa ngokusekelwe ekusebenzeni kokudlulisa ukushisa okudingekayo kanye nobubanzi beshubhu. Sicela ucacise isidingo sakho ngesikhathi sokubuza.
Umbuzo 15: Ingabe amashubhu ane-rifle e-SA210 Grade A-1 anganikezwa njengoba u-U egoba?
A: Yebo, sinikeza ukugoba okubandayo kwamashubhu anezimpondo ezinezimpondo zangaphakathi ukuvikela i-geometry yembambo. Ngemva kokugoba, ukwelashwa kokushisa okuqediwe kokucindezeleka kanye ne-100% NDT yerediyasi yokugoba kuyenziwa. Ukutholakala kwe-U-bend kuncike kubukhulu bokugcina; sicela usithinte ukuze uthole ukuthi kungenzeka yini.
UMBUZO 16: Ingabe amashubhu ane-rifle e-SA210 Grade A-1 ayatholakala ngombala ogqamile oqoshiwe (BA)?
A: Yebo, singahlinzeka ngamapayipi anezimbobo ezinomphetho okhanyayo oqoshiwe (BA). Lokhu kudinga umoya ovikelayo ngesikhathi sokwelashwa kokushisa kokugcina (isb., i-hydrogen noma i-ammonia ehlukanisiwe) ukuvimbela i-oxidation. Umshini wokugcwalisa we-BA ulungele ukusetshenziswa kwezinsizakalo ezihlanzekile nezihlanzekile, yize ubiza kakhulu kunomshini wokugcwalisa ojwayelekile oqoshiwe noqoshiwe (AP).
Xhumana ne-Womic Steel
Uma unemibuzo, usekelo lobuchwepheshe, noma ukucela ikhotheshini yezidingo zakho ezithile ze-SA210 Grade A-1 multi-lead rifled seamless tube, sicela usithinte ngqo.
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Insimbi Yom-Womic – Umkhiqizi wakho okhethekile kanye nomlingani othembekile wamashubhu ebhoyila angenamthungo e-SA210 Grade A-1 amaningi e-rifled rifled, amashubhu adonswa ngaphakathi abandayo ukuze kusetshenziswe udonga lwamanzi olusebenza kahle kakhulu futhi olubucayi kakhulu.
Isikhathi sokuthunyelwe: Meyi-28-2026