Umuyoboro w'icyuma cya karuboni woroshye kandi ufite imikorere myiza
Imitungo ya Mekanike
| urwego rw'icyuma | imbaraga nkeya z'umusaruro Mpa | Imbaraga zo gukurura | Uburebure buke % | Ingufu nkeya ku ngaruka J | ||||
| Ubunini bwagenwe mm | Ubunini bwagenwe mm | Ubunini bwagenwe mm | ku bushyuhe bw'igerageza rya | |||||
| 16 | >16≤40 | 3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | Ubushyuhe bwa 20°C | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Ibikoresho bya shimi
| Igipimo cy'icyuma | Ubwoko bwo gukuraho ogisijeni a | % ukurikije uburemere, ntarengwa | ||||||
| Izina ry'icyuma | Nimero y'icyuma | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1.50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1.50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0.55 | 1.60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0.55 | 1.60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0.55 | 1.60 | 0,030 | 0,030 | — |
| a. Uburyo bwo gukuraho ogisijeni mu mubiri bugenwa ku buryo bukurikira:FF: Icyuma cyapfuye cyose kirimo ibintu bihuza azote mu rugero ruhagije kugira ngo gifatanye azote ihari (urugero: 0.020% by'Al yose cyangwa 0.015% by'Al ishongesha). b. Agaciro ntarengwa ka azote ntigakurikizwa iyo imiterere y’imiti igaragaza ko Al yose hamwe na 0.020% hamwe na Al/N ya 2:1, cyangwa niba hari ibindi bintu bihagije bihambira kuri N. Ibintu bihambira kuri N bigomba kwandikwa mu nyandiko y’igenzura. | ||||||||
Intangiriro y'ibicuruzwa
Imiyoboro yacu ya karuboni ikoze mu cyuma gishyushye ihuye n’amahame ya EN10219 akomeye, bigatuma habaho imikorere myiza kandi yizewe mu bikorwa bitandukanye by’inganda n’ubucuruzi. Iyi miyoboro y’ubuziranenge ntabwo ikomeye gusa kandi iramba, ahubwo inatanga ubudahangarwa bwiza ku ingese n’umuvuduko, bigatuma iba nziza mu gutwara gaze karemano munsi y’ubutaka mu mutekano no mu buryo bwiza.
Uburyo bwihariye bwo gusudira imiyoboro butuma umuyoboro urushaho kuba mwiza, bigatuma ubasha kwihanganira imiterere mibi y’ibidukikije. Kubera imikorere yawo myiza, umuyoboro wacu w’icyuma cya karuboni ukoreshwa mu buryo bunyuranye, harimo no gukwirakwiza ingufu, kubaka no gukora imishinga y’ibikorwa remezo.
Mu guhitamo ubwiza bwacu bwo hejuruumuyoboro w'icyuma cya karuboni uhujwe n'uruziga, urimo gushora imari mu gicuruzwa gitanga icyizere cyo kuramba no gukora neza. Ubushake bwacu bwo kugira ireme no kunyurwa n'abakiriya bugaragarira muri buri gice cy'ibikorwa byacu byo gukora, kuva ku guhitamo ibikoresho fatizo kugeza ku igenzura rya nyuma.
Akamaro k'ibicuruzwa
Kimwe mu byiza by'ingenzi by'umuyoboro wacu w'icyuma cya karuboni ukozwe mu buryo bwa spiral ni imbaraga zawo nziza n'ubudahangarwa bw'umuvuduko, bigatuma uba mwiza mu gutwara gaze karemano mu buryo bwizewe kandi bunoze. Uburyo bwo gusudira mu buryo bwa spiral bwongera ubuziranenge bw'imiterere y'umuyoboro, bigatuma ubasha kwihanganira ibidukikije bikomeye n'imitwaro iremereye. Byongeye kandi, ubuso bw'imbere bw'umuyoboro bworoshye bugabanya gukururana, byongera umuvuduko w'amazi no kugabanya ikoreshwa ry'ingufu.
Ibura ry'ibicuruzwa
Nubwo itanga imikorere myiza, ibintu nko kwangirika bigomba kwitabwaho, cyane cyane mu bidukikije bikomeye. Gusiga no kubungabunga neza ni ingenzi kugira ngo wongere igihe cyo kubaho k'umuyoboro no kwemeza ko urambye. Byongeye kandi, ikiguzi cya mbere cy'umuyoboro w'icyuma cya karuboni wometseho spiral gishobora kuba kinini ugereranyije n'ibindi bikoresho, bishobora kuba ibyo kwitabwaho ku mishinga ikoresha ingengo y'imari.
Porogaramu
Imiyoboro yacu y'icyuma gikozwe mu buryo bwa "spiral welded carbon steel" yujuje ibisabwa bya EN10219, igenzura ko ibipimo by'ubwiza n'imikorere byuzuye. Yakozwe kugira ngo ihangane n'ibibazo byo gushyirwa munsi y'ubutaka, iyi miyoboro ni myiza cyane ku miyoboro ya gazi. Ikoranabuhanga ryayo ridasanzwe ryo gusudira spiral ntiryongera gusa imiterere yayo, ahubwo rinatanga ubushobozi bwo kurwanya ingese no kwangirika, rigatuma iramba kandi ikaba yizewe mu bihe bitandukanye by'ibidukikije.
Karuboni yacu ikoze mu buryo bwa spiralumuyoboro w'icyumaifite uburyo bwinshi bwo gukoresha, ntabwo ikoreshwa gusa muri gaze karemano. Ikwiriye gukoreshwa mu buryo butandukanye mu nganda no mu bucuruzi, harimo n'amazi, imiyoboro y'amazi mabi n'inyubako. Kuba ifite ubwiza n'imikorere myiza bituma iba amahitamo ya mbere y'abahanga n'abakora imirimo.
Ibibazo Bikunze Kubazwa
Q1. Ni izihe nyungu z'ingenzi zo gukoresha umuyoboro w'icyuma cya karuboni ukozwe mu buryo bwa spiral welded?
- Ibyiza by'ingenzi birimo gukomera cyane, kurwanya ingese neza, kurwanya umuvuduko mwinshi, no kuba ikwiriye gukoreshwa muri gaze karemano.
Q2. Ni gute inzira yo gukora bigira ingaruka ku bwiza?
- Ubuhanga bwacu buhanitse bwo gukora butuma buri muyoboro ukora neza, bigatuma ubonekamo umusaruro wizewe kandi uramba.
Q3. Ese umuyoboro ukwiriye gukoreshwa mu zindi gahunda?
- Yego, nubwo ari nziza ku miyoboro ya gazi, ishobora no gukoreshwa mu miyoboro y'amazi, mu miyoboro y'amazi mabi, no mu zindi nganda.
Ikibazo cya 4. Ni iyihe nshuro yite y'ubuzima bw'umuyoboro?
- Iyo imiyoboro yacu y'icyuma cya karuboni ishyizwemo kandi igatunganywa neza, ishobora kumara imyaka ibarirwa muri za mirongo, igatanga agaciro k'igihe kirekire.







