Ibisobanuro by'igicuruzwa
Imiyoboro y'icyuma ya LSAW (Longitudinal Submerged Arc Welding) ni ubwoko bw'imiyoboro y'icyuma ivanze n'uburyo ikorwamo bwihariye n'uburyo butandukanye bwo kuyikoresha. Iyi miyoboro ikorwa hakoreshejwe uburyo bwo gukora icyuma gikozwe mu ishusho y'uruziga hanyuma ikanagisudira mu buryo burambuye hakoreshejwe tekiniki zo gusudira mu mazi. Dore incamake y'imiyoboro y'icyuma ya LSAW:
Uburyo bwo gukora:
● Gutegura isahani: Amasahani y'icyuma meza atoranywa hashingiwe ku bisabwa byihariye, bigamije kwemeza imiterere y'imashini n'imiterere y'imiti.
● Gutunganya: Icyapa cy'icyuma gishushanyijeho umuyoboro w'uruziga binyuze mu nzira nko gupfunyika, guzunguruka, cyangwa gukanda (JCOE na UOE). Impande zibanza kugorama kugira ngo zorohereze gusudira.
● Gusudira: Gusudira arc yo munsi y’amazi (SAW) bikoreshwa, aho arc iguma munsi y’urwego rw’amazi. Ibi bitanga gusudira nziza cyane kandi nta nenge nyinshi zirimo kandi zivanze neza.
● Isuzuma rya Ultrasound: Nyuma yo gusudira, isuzuma rya Ultrasound rikorwa kugira ngo hamenyekane inenge z'imbere cyangwa iz'inyuma mu gace kasudira.
● Kwagura: Umuyoboro ushobora kwagurwa kugira ngo ugere ku murambararo wifuzwa n'ubugari bw'urukuta, bikongera ubwiza bw'ibipimo.
● Igenzura rya nyuma: Isuzuma ryimbitse, harimo igenzura ry’amaso, igenzura ry’ibipimo, n’isuzuma ry’imiterere y’imashini, rituma umuyoboro uba mwiza.
Ibyiza:
● Kugabanya Ikiguzi: Imiyoboro ya LSAW itanga igisubizo gihendutse ku miyoboro minini n'inyubako zayo bitewe n'uburyo ikorwa neza.
● Ingufu nyinshi: Uburyo bwo gusudira butuma imiyoboro ikora neza kandi ijyanye n'imiterere yayo.
● Ubuziranenge bw'ibipimo: Imiyoboro ya LSAW igaragaza ingano nyayo, bigatuma ikoreshwa neza kandi ifite ubushobozi bwo kuyikoresha.
● Ubwiza bwo gusudira: Gusudira arc munsi y'amazi bitanga gusudira nziza cyane hamwe n'imvange nziza kandi nta nenge nyinshi zihari.
● Guhindagurika: Imiyoboro ya LSAW ikoreshwa mu nganda zitandukanye, harimo peteroli na gaze, ubwubatsi, n'amazi, bitewe n'uko ihindagurika kandi iramba.
Muri make, imiyoboro y'icyuma ya LSAW ikorwa hakoreshejwe uburyo bunoze kandi bunoze, bigatuma imiyoboro ikoreshwa mu buryo butandukanye, buhendutse kandi burambye, ikwiriye gukoreshwa mu nganda zitandukanye.
Ibisobanuro
| API 5L: GR.B, X42, X46, X52, X56, X60, X65, X70, X80 |
| ASTM A252: GR.1, GR.2, GR.3 |
| EN 10219-1: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| EN10210: S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| ASTM A53/A53M: GR.A, GR.B |
| EN 10217: P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 |
| DIN 2458: St37.0, St44.0, St52.0 |
| AS/NZS 1163: Icyiciro C250 , Icyiciro C350, Icyiciro C450 |
| GB/T 9711: L175, L210, L245, L290, L320, L360, L390, L415, L450, L485 |
| ASTMA671: CA55/CB70/CC65, CB60/CB65/CB70/CC60/CC70, CD70/CE55/CE65/CF65/CF70, CF66/CF71/CF72/CF73, CG100/CH100/CI100/CJ100 |
Urutonde rw'umusaruro
| Ingano yo hanze | Ubunini bw'urukuta buboneka munsi y'icyuma | |||||||
| Inches | mm | Ingano y'icyuma | ||||||
| Inches | mm | L245 (Gr.B) | L290 (X42) | L360 (X52) | L415 (X60) | L450 (X65) | L485 (X70) | L555 (X80) |
| 16 | 406 | 6.0-50.0mm | 6.0-48.0mm | 6.0-48.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 18 | 457 | 6.0-50.0mm | 6.0-48.0mm | 6.0-48.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 20 | 508 | 6.0-50.0mm | 6.0-50.0mm | 6.0-50.0mm | 6.0-45.0mm | 6.0-40mm | 6.0-31.8mm | 6.0-29.5mm |
| 22 | 559 | 6.0-50.0mm | 6.0-50.0mm | 6.0-50.0mm | 6.0-45.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 24 | 610 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-45.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 26 | 660 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-48.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 28 | 711 | 6.0-57.0mm | 6.0-55.0mm | 6.0-55.0mm | 6.0-48.0mm | 6.0-43mm | 6.0-31.8mm | 6.0-29.5mm |
| 30 | 762 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 32 | 813 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 34 | 864 | 7.0-60.0mm | 7.0-58.0mm | 7.0-58.0mm | 7.0-48.0mm | 7.0-47.0mm | 7.0-35mm | 7.0-32.0mm |
| 36 | 914 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 38 | 965 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 40 | 1016 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 42 | 1067 | 8.0-60.0mm | 8.0-60.0mm | 8.0-60.0mm | 8.0-52.0mm | 8.0-47.0mm | 8.0-35mm | 8.0-32.0mm |
| 44 | 1118 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 46 | 1168 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 48 | 1219 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 52 | 1321 | 9.0-60.0mm | 9.0-60.0mm | 9.0-60.0mm | 9.0-52.0mm | 9.0-47.0mm | 9.0-35mm | 9.0-32.0mm |
| 56 | 1422 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 60 | 1524 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 64 | 1626 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 68 | 1727 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
| 72 | 1829 | 10.0-60.0mm | 10.0-60.0mm | 10.0-60.0mm | 10.0-52mm | 10.0-47.0mm | 10.0-35mm | 10.0-32.0mm |
* Indi ngano ishobora guhindurwa nyuma y'ibiganiro
Imiterere ya shimi n'imiterere ya mekanike y'umuyoboro w'icyuma wa LSAW
| Igisanzwe | Icyiciro | Ibikubiye mu binyabutabire (ntarengwa)% | Imiterere ya mekanike (iminota) | |||||
| C | Mn | Si | S | P | Imbaraga z'umusaruro (Mpa) | Imbaraga zo Gufata (Mpa) | ||
| GB/T700-2006 | A | 0.22 | 1.4 | 0.35 | 0.050 | 0.045 | 235 | 370 |
| B | 0.2 | 1.4 | 0.35 | 0.045 | 0.045 | 235 | 370 | |
| C | 0.17 | 1.4 | 0.35 | 0.040 | 0.040 | 235 | 370 | |
| D | 0.17 | 1.4 | 0.35 | 0.035 | 0.035 | 235 | 370 | |
| GB/T1591-2009 | A | 0.2 | 1.7 | 0.5 | 0.035 | 0.035 | 345 | 470 |
| B | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| C | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| BS EN10025 | S235JR | 0.17 | 1.4 | - | 0.035 | 0.035 | 235 | 360 |
| S275JR | 0.21 | 1.5 | - | 0.035 | 0.035 | 275 | 410 | |
| S355JR | 0.24 | 1.6 | - | 0.035 | 0.035 | 355 | 470 | |
| DIN 17100 | ST37-2 | 0.2 | - | - | 0.050 | 0.050 | 225 | 340 |
| ST44-2 | 0.21 | - | - | 0.050 | 0.050 | 265 | 410 | |
| ST52-3 | 0.2 | 1.6 | 0.55 | 0.040 | 0.040 | 345 | 490 | |
| JIS G3101 | SS400 | - | - | - | 0.050 | 0.050 | 235 | 400 |
| SS490 | - | - | - | 0.050 | 0.050 | 275 | 490 | |
| API 5L PSL1 | A | 0.22 | 0.9 | - | 0.03 | 0.03 | 210 | 335 |
| B | 0.26 | 1.2 | - | 0.03 | 0.03 | 245 | 415 | |
| X42 | 0.26 | 1.3 | - | 0.03 | 0.03 | 290 | 415 | |
| X46 | 0.26 | 1.4 | - | 0.03 | 0.03 | 320 | 435 | |
| X52 | 0.26 | 1.4 | - | 0.03 | 0.03 | 360 | 460 | |
| X56 | 0.26 | 1.1 | - | 0.03 | 0.03 | 390 | 490 | |
| X60 | 0.26 | 1.4 | - | 0.03 | 0.03 | 415 | 520 | |
| X65 | 0.26 | 1.45 | - | 0.03 | 0.03 | 450 | 535 | |
| X70 | 0.26 | 1.65 | - | 0.03 | 0.03 | 585 | 570 | |
Isanzwe n'Impamyabumenyi
| Igisanzwe | Ibyiciro by'icyuma |
| API 5L: Ibisobanuro ku muyoboro w'umurongo | GR.B, X42, X46, X52, X56, X60, X65, X70, X80 |
| ASTM A252: Ibipimo ngenderwaho ku miyoboro y'ibyuma ivanze kandi idafite umushono | GR.1, GR.2, GR.3 |
| EN 10219-1: Ibice by'ubukonje byakozwe mu byuma bidafite aloyi n'ibinyampeke byiza, bifite ubukonje kandi bivanze n'ubukonje | S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| EN10210: Ibice by'ubukonje by'ibyuma bidafite aloyi n'ibinyampeke byiza, bifite imyobo ishyushye | S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H |
| ASTM A53/A53M: Umuyoboro, Icyuma, Umukara n'ushyushye, Utwikiriwe na Zinc, Usudewe kandi Udafite Umushono | GR.A, GR.B |
| EN10208: Imiyoboro y'icyuma ikoreshwa mu gutwara imiyoboro mu nganda za peteroli na gaze. | L210GA, L235GA, L245GA, L290GA, L360GA |
| EN 10217: Imiyoboro y'icyuma ishongeshejwe kugira ngo ikoreshwe mu buryo bw'umuvuduko | P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 |
| DIN 2458: Imiyoboro n'imiyoboro by'icyuma byasutswe | St37.0, St44.0, St52.0 |
| AS/NZS 1163: Igipimo ngenderwaho cya Ositaraliya/Nouvelle-Zélande ku bice by'icyuma gikonjesha gifite ubukonje | Icyiciro C250, Icyiciro C350, Icyiciro C450 |
| GB/T 9711: Inganda za Peteroli na Gazi Kamere - Umuyoboro w'Icyuma w'Imiyoboro | L175, L210, L245, L290, L320, L360, L390, L415, L450, L485 |
| ASTM A671: Umuyoboro w'icyuma uvanze n'amashanyarazi kugira ngo ubushyuhe bwo mu kirere n'ubushyuhe buri hasi | CA 55, CB 60, CB 65, CB 70, CC 60, CC 65, CC 70 |
| ASTM A672: Umuyoboro w'icyuma uhujwe n'amashanyarazi kugira ngo uhabwe serivisi y'umuvuduko mwinshi ku bushyuhe buringaniye. | A45, A50, A55, B60, B65, B70, C55, C60, C65 |
| ASTM A691: Umuyoboro w'icyuma cya karuboni n'icyuma cya alloy, ukozwe mu buryo bw'amashanyarazi kugira ngo uhabwe serivisi y'umuvuduko mwinshi ku bushyuhe bwinshi. | CM-65, CM-70, CM-75, 1/2CR-1/2MO, 1CR-1/2MO, 2-1/4CR, 3CR |
Uburyo bwo gukora
Igenzura ry'Ubuziranenge
● Kugenzura ibikoresho fatizo
● Isesengura ry'imiti
● Ikizamini cya Mekanike
● Igenzura ry'amaso
● Igenzura ry'ingano
● Ikizamini cyo Kugonda
● Ikizamini cy'ingaruka
● Ikizamini cyo kwangirika hagati y'udukoko
● Isuzuma ritangiza imikorere (UT, MT, PT)
● Impamyabushobozi yo gusudira
● Isesengura ry'imiterere y'uturemangingo
● Ikizamini cyo Gutwika no Kugabanya Ingufu
● Ikizamini cy'Ubukomere
● Ikizamini cy'amazi
● Isuzuma rya Metallography
● Ikizamini cyo kwangirika kw'ibinure giterwa na hydrogène (HIC)
● Ikizamini cyo gucika kw'umuvuduko wa sulfide (SSC)
● Isuzuma rya Eddy rigezweho
● Gusuzuma no gusiga amarangi
● Isuzuma ry'inyandiko
Imikoreshereze n'Ikoreshwa
Imiyoboro y'icyuma ya LSAW (Longitudinal Submerged Arc Welding) ikoreshwa mu buryo butandukanye mu nganda zitandukanye bitewe n'imiterere yayo n'uburyo ikoreshwa mu buryo butandukanye. Dore zimwe mu mikoreshereze n'ikoreshwa ry'ingenzi ry'imiyoboro y'icyuma ya LSAW:
● Gutwara peteroli na gaze: Imiyoboro y'icyuma ya LSAW ikoreshwa cyane mu nganda za peteroli na gaze mu miyoboro. Iyi miyoboro ikoreshwa mu gutwara peteroli, gaze karemano, n'ibindi bintu biva mu mazi cyangwa gaze.
● Ibikorwaremezo by'amazi: Imiyoboro ya LSAW ikoreshwa mu mishinga y'ibikorwaremezo bijyanye n'amazi, harimo n'imiyoboro y'amazi n'imiyoboro y'amazi.
● Gutunganya imiti: Imiyoboro ya LSAW ikorera mu nganda zikora imiti aho ikoreshwa mu gutwara imiti, ibinyobwa, na gaze mu buryo bwizewe kandi bunoze.
● Ubwubatsi n'ibikorwa remezo: Iyi miyoboro ikoreshwa mu mishinga itandukanye y'ubwubatsi, nko kubaka umusingi, ibiraro, n'ibindi bikorwa by'ubwubatsi.
● Gutera imiyoboro: Imiyoboro ya LSAW ikoreshwa mu gutera imiyoboro kugira ngo itange inkunga y'ibanze mu mishinga y'ubwubatsi, harimo kubaka ishingiro n'inyubako zo mu mazi.
● Urwego rw'Ingufu: Zikoreshwa mu gutwara ubwoko butandukanye bw'ingufu, harimo umwuka w'amazi n'ubushyuhe mu nganda zikora amashanyarazi.
● Ubucukuzi bw'amabuye y'agaciro: Imiyoboro ya LSAW ikoreshwa mu mishinga y'ubucukuzi mu gutwara ibikoresho n'ibice by'inyuma.
● Inzira z'Inganda: Inganda nk'inganda n'umusaruro zikoresha imiyoboro ya LSAW mu bikorwa bitandukanye by'inganda, harimo gutwara ibikoresho fatizo n'ibicuruzwa byarangiye.
● Iterambere ry'ibikorwa remezo: Iyi miyoboro ni ingenzi mu guteza imbere imishinga y'ibikorwa remezo nk'imihanda, imihanda minini, n'ibikorwa remezo byo munsi y'ubutaka.
● Inkunga ku nyubako: Imiyoboro ya LSAW ikoreshwa mu gukora inkunga ku nyubako, inkingi, n'imitako mu mishinga y'ubwubatsi n'ubwubatsi.
● Kubaka amato: Mu nganda z’ubwubatsi bw’amato, imiyoboro ya LSAW ikoreshwa mu kubaka ibice bitandukanye by’amato, harimo n’ingufu n’ibice by’ubwubatsi.
● Inganda z'Imodoka: Imiyoboro ya LSAW ishobora gukoreshwa mu gukora ibice by'imodoka, harimo n'uburyo bwo gusohora imyuka.
Izi porogaramu zigaragaza uburyo imiyoboro y'icyuma ya LSAW ikora mu buryo butandukanye, bitewe n'uko iramba, ikomeye, kandi ikwiriye ibidukikije bitandukanye.
Gupakira no Kohereza
Gupakira no kohereza neza imiyoboro y'icyuma ya LSAW (Longitudinal Submerged Arc Welding) ni ingenzi cyane kugira ngo ifatwe neza kandi igerwe ahantu hatandukanye. Dore ibisobanuro by'uburyo busanzwe bwo gupakira no kohereza imiyoboro y'icyuma ya LSAW:
Gupakira:
● Guhuza: Imiyoboro ya LSAW ikunze guhurizwa hamwe cyangwa gupakirwa igice kimwe hakoreshejwe imigozi y'icyuma cyangwa imigozi kugira ngo habeho ibikoresho byoroshye byo gutwara no gutwara.
● Uburinzi: Impera z'imiyoboro zirinzwe n'imipfundikizo ya pulasitiki kugira ngo hirindwe kwangirika mu gihe cyo kuyinyuramo. Byongeye kandi, imiyoboro ishobora gupfukwa n'ibikoresho birinda ibidukikije.
● Ikingira Indwara: Iyo imiyoboro ifite ikingira indwara, irinda indwara mu gihe cyo gupakira kugira ngo hirindwe kwangirika mu gihe cyo kuyitwara no kuyitwara.
● Gushyiramo ibimenyetso no gushyiramo ibimenyetso: Buri gapfunyika gafite amakuru y'ingenzi nk'ingano y'umuyoboro, urwego rw'ibikoresho, inomero y'ubushyuhe, n'ibindi bisobanuro kugira ngo byoroshye kumenya.
● Gufata neza: Imigozi ihambirwa neza ku mapaki cyangwa ku mapikipiki kugira ngo idahinduka mu gihe cyo kuyitwara.
Kohereza:
● Uburyo bwo gutwara abantu: Imiyoboro y'icyuma ya LSAW ishobora koherezwa hakoreshejwe uburyo butandukanye bwo gutwara abantu, harimo imihanda, gari ya moshi, inyanja, cyangwa ikirere, bitewe n'aho ijya n'ubwihutirwe.
● Gushyira mu byuma bikodesha: Imiyoboro ishobora koherezwa mu byuma bikodesha kugira ngo byongere uburinzi, cyane cyane mu gihe cyo gutwara ibintu mu mahanga. Ibikoresho bishyirwamo ibikoresho kandi bigafatwa neza kugira ngo bitava aho bijya mu bindi bihugu.
● Abafatanyabikorwa mu by’ibijyanye n’ubwikorezi: Amasosiyete cyangwa abakora ibikoresho by’ubwikorezi bafite ubumenyi mu bijyanye no gucunga imiyoboro y’ibyuma barakorana kugira ngo barebe ko ibyo bikoresho bigezwa mu buryo bwizewe kandi ku gihe.
● Inyandiko za Gasutamo: Inyandiko za gasutamo zikenewe, harimo impapuro z'imizigo, ibyemezo by'aho ibintu bikomoka, n'izindi mpapuro zijyanye nabyo, zirategurwa kandi zigashyikirizwa ibicuruzwa mpuzamahanga.
● Ubwishingizi: Bitewe n'agaciro n'imiterere y'imizigo, ubwishingizi bushobora gutegurwa kugira ngo burindwe ibintu bitunguranye mu gihe cyo kuyitwara.
● Gukurikirana: Uburyo bugezweho bwo gukurikirana butuma uwohereza n'uwakira bakurikirana aho ibicuruzwa bigeze mu gihe nyacyo, bigatuma habaho ubwisanzure n'amakuru agezweho ku gihe.
● Gutanga: Imiyoboro irakurwa aho igenewe, hakurikizwa uburyo bukwiye bwo kuyikuramo kugira ngo hirindwe kwangirika.
● Igenzura: Iyo imiyoboro ihageze, ishobora gusuzumwa kugira ngo harebwe imiterere yayo n'uko ijyanye n'ibisabwa mbere y'uko yemerwa n'uwayihawe.
Gupakira no kohereza ibintu neza bifasha mu gukumira kwangirika, kubungabunga ubuziranenge bw'imiyoboro y'icyuma ya LSAW, no kwemeza ko igera aho igenewe mu mutekano kandi imeze neza.













