EN 10219 S355J0Hndicholumikizidwa chozizirachitoliro chachitsulo chopanda kanthu chomwe chimapangidwa kuti chigwiritsidwe ntchitoEN 10219, yokhala ndi mphamvu yocheperako yopezera phindu355 MPa(kukhuthala kwa khoma la chitoliro ≤ 16 mm) ndi mphamvu yokhudza yosachepera27 J pa 0°C.
Zopangidwa pogwiritsa ntchito njira zamagetsi zowotcherera kapena njira zowotcherera za arc zomwe zimayikidwa pansi popanda kufunikira kutentha kowonjezera, ndizoyenera kugwiritsidwa ntchito m'njira zosiyanasiyana zomangamanga ndi zomangamanga, kuphatikizapo zinthu zofunika kwambiri monga milu yothandizira maziko.
BS EN 10219 ndi muyezo wa ku Europe EN 10219 womwe wavomerezedwa ndi UK.
Zimaphatikizapo zolungidwa zozizirazozungulira, zamakona anayi, zamakona anayi, ndi zozunguliramagawo opanda kanthu mkati.
CFCHS = gawo lozungulira lozungulira lozizira;
CFRHS = gawo lozizira lokhala ndi bwalo lalikulu kapena lamakona anayi;
Timagwira ntchito yopereka gawo lozungulira lopanda kanthu labwino kwambiri (CHS) chitoliro chachitsulo kuti chikwaniritse zosowa zanu zosiyanasiyana zauinjiniya.
Kukhuthala kwa khoma ≤40mm;
Chozungulira: M'mimba mwake wakunja mpaka 2500 mm;
Zigawo zopanda kanthu ziyenera kupangidwa ndikuwotcherera kwamagetsi kapena kuwotcherera kwa arc pansi pa madzi (SAW).
EN 10219 Zigawo zopanda kanthu ziyenera kuperekedwa ngati zozizira popanda kutentha kotsatira, koma ma weld akhoza kukhala mu mkhalidwe wolumikizidwa kapena wokonzedwa ndi kutentha.
Ngati ukadaulo wothira arc wolowetsedwa pansi pa madzi ukugwiritsidwa ntchito, ukhoza kugawidwa m'magulu awiri:LSAW(SAWL(Longitudinal Submerged Arc Welding) ndiSSAW(HSAW(Kuweta Arc Yozungulira Yokhala ndi Mizere) kutengera komwe msoko wa weld ukupita.
LSAWili ndi ubwino waukulu popangachachikulu m'mimba mwakendimapaipi achitsulo okhala ndi makoma okhuthalandipo ndi yoyenera kwambiri pazochitika zomwe mphamvu, khalidwe, ndi miyeso yeniyeni zimafunika kwambiri.
JCOEndi njira yofunika kwambiri komanso yoyimira kupanga chitoliro chachitsulo cha LSAW. Dzina la njira imeneyi limachokera ku magawo anayi akuluakulu pakupanga chitoliro: kupanga J, kupanga C, kupanga O, ndi Kukulitsa.
Ndife opanga mapaipi achitsulo cha kaboni opangidwa ndi zitsulo komanso ogulitsa mapaipi apamwamba ochokera ku China, komanso ogulitsa mapaipi achitsulo osasokonekera, omwe amakupatsirani mitundu yosiyanasiyana ya njira zothetsera mapaipi achitsulo!
Kusanthula kwa Osewera
Kusanthula kwa mankhwala a zipangizo zopangira chitoliro chachitsulo
S355J0H Mtengo wofanana ndi kaboni (CEV): 0.45%.
CEV = C + Mn/6 +(Cr + Mo + V)/5 + (Ni + Cu)/15.
Kusanthula Zamalonda
Kusanthula kapangidwe ka mankhwala a magawo opanda kanthu omalizidwa
Kupatuka kwa kusanthula kwa malonda kuchokera ku malire omwe afotokozedwa pa kusanthula kwa kuponyera kuyenera kutsatizana ndi zofunikira zomwe zili pansipa.
Kuchepetsa kupsinjika maganizo pa kutentha kopitilira 580 °C kapena kwa ola limodzi kungayambitse kuwonongeka kwa mphamvu ya makina.
Kuyesa kwa kolimba kuyenera kuchitika motsatira EN 10002-1.
Kuyesa kwa kukhudzidwa kuyenera kuchitika motsatira EN 10045-1.
Makhalidwe a kukhudzidwa amatsimikiziridwa pokhapokha ngati njira 1.3 yatchulidwa.
c Pa kukula kwa gawo D/T < 15 (yozungulira) ndi (B+H)/2T < 12,5 (ya sikweya ndi yozungulira) kutalika kochepa kumachepetsedwa ndi 2.
d Pa makulidwe < 3 mm onani 9.2.2.
e Kuti mudziwe makhalidwe a kugwedezeka kwa zidutswa zoyesera za magawo ochepetsedwa onani 6.7.2.
Zolemba: Kuyesa mphamvu sikofunikira pamene makulidwe omwe atchulidwa ndi <6mm.
Ma welds omwe ali m'magawo obowoka a arc omwe ali pansi pa nthaka ayenera kuyesedwa motsatira EN 10246-9 kuti avomerezedwe mu kalasi U4 kapena pogwiritsa ntchito X-ray motsatira EN 10246-10 kuti apeze chithunzi chabwino cha kalasi R2.
Kuyesa kwa NDT(RT)
Kuyesa kwa NDT(UT)
Kuyesa kwa Madzi
Timagwiritsa ntchito njira zosiyanasiyana zoyesera zosawononga komanso mayeso a hydrostatic pressure kuti tiwonetsetse kuti chitoliro chilichonse chili ndi mphamvu komanso kulimba. Timapatsa makasitomala athu zinthu zachitsulo zomwe zimakwaniritsa miyezo yapamwamba kwambiri yachitetezo ndi chitsimikizo cha khalidwe.
Machubu okhala ndi dzenje opangidwa motsatira EN 10219 amatha kuwotcherera.
Pakulumikiza, kusweka kozizira m'dera la kusungunula ndiye chiopsezo chachikulu chifukwa makulidwe, mphamvu, ndi CEV ya chinthucho zimawonjezeka. Kusweka kozizira kumachitika chifukwa cha kuphatikiza zinthu zingapo:
kuchuluka kwakukulu kwa haidrojeni yofalikira mu chitsulo chosungunula;
kapangidwe kofooka m'dera lomwe lakhudzidwa ndi kutentha;
kuchuluka kwakukulu kwa kupsinjika kwa mphamvu mu cholumikizira cholumikizidwa.
Mapaipi achitsulo a EN 10219 ndi oyenera kugwiritsa ntchito ma galvanizing otentha. Kusankha kumatha kupangidwa malinga ndi zosowa zenizeni.
Zikhale ndi malo osalala ogwirizana ndi njira yopangira yomwe yagwiritsidwa ntchito; ma bumps, voids, kapena mipata yocheperako yochokera munjira yopangira ndizovomerezeka malinga ngati makulidwe awo otsala ali mkati mwa kulekerera.
Zolakwika pamwamba zitha kuchotsedwa popera, bola ngati makulidwe a gawo lokonzedwalo ali osachepera makulidwe ocheperako ololedwa omwe atchulidwa mu EN 10219-2.
Kulekerera pa Mawonekedwe, Kuwongoka ndi Kulemera
Kutalika kwa Kulekerera
Kutalika kwa Welded
Kutalika kwa weld kumagwira ntchito pa machubu a SAW okha.
| Kunenepa, mm | Kutalika kwakukulu kwa mkanda wothira, mm |
| ≤14,2 | 3.5 |
| >14,2 | 4.8 |
Chitoliro chachitsulo cha EN 10219 S355J0H ndi chinthu cholimba komanso chosagwira dzimbiri chomwe chimagwiritsidwa ntchito bwino pa nyumba zosiyanasiyana komanso zomangamanga, kuphatikizapo kugwiritsa ntchito milu ya mapaipi.
1. Mulu wa MapaipiChitoliro chachitsulo cha S355J0H ndi choyenera kugwiritsidwa ntchito ngati milu ya maziko chifukwa cha mphamvu zake komanso kukana dzimbiri ndipo chimagwiritsidwa ntchito kwambiri popanga madoko, milatho, maziko omangira, ndi mapulojekiti ena omwe amafuna maziko akuya.
2. Nyumba zomangira: Amagwiritsidwa ntchito kwambiri pazinthu monga mafupa, zipilala zothandizira, ndi matabwa a nyumba.
3. Kuyendera mapaipi: Ndi yoyeneranso kugwiritsidwa ntchito ngati payipi yonyamulira mafuta ndi gasi mtunda wautali. Komabe, nthawi zambiri imakutidwa kuti iwonjezere nthawi yogwira ntchito, mwachitsanzo 3LPE, FBE, galvanized, ndi zina zotero.
4. Makina omangira: Ingagwiritsidwe ntchito popanga mabulaketi ndi zigawo za makina osiyanasiyana omangira.
5. Malo opezeka anthu onsemonga malo ochitira masewera olimbitsa thupi m'mabwalo amasewera ndi nyumba zina zothandizira malo akuluakulu aboma.
EN 10210 S355J0H: Gawo lopanda kanthu la nyumba zolumikizidwa ndi thermoforming. Ngakhale kuti imagwiritsidwa ntchito kwambiri pa thermoforming, kapangidwe kake ka mankhwala ndi mawonekedwe ake amakaniko ndi ofanana ndi a S355J0H ndipo ingagwiritsidwe ntchito ngati chinthu chofanana.
ASTM A500 Giredi C: Amagwiritsidwa ntchito popanga machubu ozungulira, a sikweya, ndi amakona anayi opangidwa ndi zitsulo zofewa kapena zopanda msoko kuti agwiritsidwe ntchito pa zomangamanga. ASTM A500 Giredi C imapereka mphamvu zofanana komanso zomangirira pa zomangamanga ndi makina.
CSA G40.21 350W: Iyi ndi mfundo ya Canadian Standards Association yomwe imakhudza mitundu yosiyanasiyana ya zitsulo zopangidwa ndi chitsulo. Chitsulo cha 350W chili ndi mphamvu zofanana ndi S355J0H.
JIS G3466 STKR490: Ichi ndi chubu cha sikweya ndi chamakona anayi chogwiritsidwa ntchito m'mapangidwe monga momwe zafotokozedwera mu Japanese Industrial Standard (JIS). Ndi choyenera kumanga nyumba ndi ntchito zamakanika.
Kuyambira pomwe idakhazikitsidwa mu 2014,Chitsulo cha Botopwakhala kampani yotsogola yogulitsa mapaipi achitsulo cha kaboni kumpoto kwa China, yodziwika bwino chifukwa cha ntchito zabwino kwambiri, zinthu zapamwamba, komanso mayankho omveka bwino.
Kampaniyo imapereka mapaipi osiyanasiyana achitsulo cha kaboni ndi zinthu zina zokhudzana nazo, kuphatikizapo mapaipi achitsulo opanda msoko, ERW, LSAW, ndi SSAW, komanso mndandanda wathunthu wa zolumikizira mapaipi ndi ma flange. Zogulitsa zake zapadera zimaphatikizaponso zitsulo zapamwamba kwambiri ndi zitsulo zosapanga dzimbiri za austenitic, zopangidwa kuti zikwaniritse zosowa za mapulojekiti osiyanasiyana a mapaipi.
Chitoliro cha ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel
Chitoliro chachitsulo cha BS EN10210 S275J0H LSAW(JCOE)
Chitoliro chachitsulo cha ASTM A671/A671M LSAW
Chitoliro cha ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel
Chitoliro cha API 5L X65 PSL1/PSL 2 LSAW Carbon Steel / Chitoliro cha API 5L Giredi X70 LSAW Steel
Chitoliro chachitsulo cha EN10219 S355J0H cha LSAW (JCOE) cha Kapangidwe kake
