ERW ndi mkulu-pafupipafupi kukana kuwotcherera-wolunjika msoko welded chitoliro; LSAW ndi kumizidwa arc kuwotcherera-wolunjika msoko welded chitoliro; onse ndi mipope wowongoka msoko welded, koma ndondomeko kuwotcherera ndi ntchito ziwiri ndi zosiyana, kotero iwo sangakhoze kuimira molunjika msoko welded mipope yekha. SSAW-spiral welding-spiral welded mapaipi ndizofala kwambiri.

Kusiyana ndi kugwiritsa ntchito mapaipi achitsulo a ERW, LSAW ndi SSAW

Molunjika msoko mkulu pafupipafupi (ERW zitsulo chitoliro) lagawidwa kuwotcherera induction ndi kukhudzana kuwotcherera malinga ndi njira kuwotcherera osiyana. Imagwiritsa ntchito ma koyilo otalikirapo otentha ngati zida zopangira. Pambuyo popindika, kupanga mosalekeza, kuwotcherera, kutentha kwa kutentha, gluing, kuwongola, kudula, kuli ndi ubwino wa ma welds afupikitsa, kulondola kwapamwamba, makulidwe a khoma la yunifolomu, khalidwe labwino la pamwamba ndi kuthamanga kwambiri poyerekeza ndi zozungulira. Komabe, choyipa chake ndikuti mapaipi okhawo okhala ndi mipanda yopyapyala okhala ndi mainchesi ang'onoang'ono ndi apakatikati amatha kupangidwa. Fusion, kuwonongeka kwa dzimbiri ngati groove. Madera omwe amagwiritsidwa ntchito kwambiri ndi gasi wachilengedwe wamtawuni komanso mayendedwe amafuta osakhazikika.

Wowongoka msoko wothira arc kuwotcherera (LSAW chitsulo chitoliro) amapangidwa pogwiritsa ntchito sing'anga imodzi ndi mbale wandiweyani ngati zopangira, kukanikiza (kugudubuza) mbale zitsulo mu nkhungu kapena kupanga makina, iwiri kumbali kumizidwa arc kuwotcherera, ndi kukulitsa m'mimba mwake. Chomalizidwacho chimakhala ndi mawonekedwe osiyanasiyana, kulimba kwa weld wabwino, pulasitiki, kufanana ndi kachulukidwe, ndipo ali ndi ubwino wa m'mimba mwake waukulu wa chitoliro, khoma la chitoliro chakuda, kukana kuthamanga, kukana kutentha kwakukulu ndi kukana dzimbiri. Pomanga amphamvu kwambiri, olimba kwambiri, apamwamba mtunda wautali wamafuta ndi mapaipi a gasi, mapaipi achitsulo omwe amafunikira amakhala ambiri okhala ndi mipiringidzo yayikulu yokhala ndi mipanda yowongoka yomwe ili pansi pamadzi. Malinga ndi muyezo wa API, m'mapaipi akulu amafuta ndi gasi, podutsa madera a Gulu 1 ndi Gulu 2 (monga madera amapiri, madera a m'mphepete mwa nyanja, ndi madera akumidzi okhala ndi anthu ambiri), mipingo yomizidwa molunjika ndi mtundu wokhawo womwe wasankhidwa. Malinga ndi njira zosiyanasiyana zopangira, zitha kugawidwa kukhala: U0E/JCOE/HME.

Spiral submerged arc kuwotcherera (SSAW zitsulo chitoliro) zikutanthauza kuti pamene akugubuduza chitoliro, malangizo ake kutsogolo ndi pa ngodya (chosinthika) kwa mzere wapakati wa kupanga chitoliro, ndi kuwotcherera ikuchitika pa kupanga, ndi weld wake amapanga mzere ozungulira. Ubwino wake ndikuti mawonekedwe omwewo amatha kupanga mapaipi achitsulo amitundu yosiyanasiyana, zopangira zimakhala ndi zosinthika zambiri, zowotcherera zimatha kupewa kupsinjika kwakukulu, komanso kupsinjika ndikwabwino. Choyipa ndichakuti kukula kwa geometric ndi koyipa. Kutalika kwa weld ndi wautali kuposa wa msoko wowongoka. Ming'alu, pores, slag inclusions ndi kupatuka kwa kuwotcherera kumakonda kuchitika. Kwa zovuta zowotcherera, kupsinjika kwa kuwotcherera kumakhala mumkhalidwe wovuta.

Mapangidwe a mapaipi amafuta ndi gasi akutali amatsimikizira kuti spiral submersed arc ingagwiritsidwe ntchito m'magawo a Class 3 ndi Class 4. Pambuyo kuwongolera njira kunja, zopangira zimasinthidwa ndi mbale zachitsulo kuti zilekanitse kupanga ndi kuwotcherera. Pambuyo kuwotcherera chisanadze ndi mwatsatanetsatane, ndi kuwotcherera awiri adzakulitsa pambuyo kuwotcherera ozizira. Ubwino wowotcherera uli pafupi ndi chitoliro cha UOE.
Pakadali pano, ku China kulibe njira yotere. Uwu ndiye mayendedwe owongolera fakitale yathu. Mapaipi a "West-East Gas Transmission" amapangidwabe motsatira chikhalidwe, koma m'mimba mwake kumapeto kwa chitoliro chakulitsidwa.
United States, Japan ndi Germany nthawi zambiri amakana kugwiritsa ntchito SSAW ndipo amakhulupirira kuti mzere waukulu sayenera kugwiritsa ntchito SSAW.
Canada ndi Italy amagwiritsa ntchito SSAW pang'ono, ndipo Russia imagwiritsa ntchito SSAW pang'ono. Iwo apanga malamulo okhwima owonjezera. Chifukwa cha mbiri yakale, mizere yambiri yapakhomo imagwiritsabe ntchito SSAW. Zopangira zimasinthidwa kukhala mbale yachitsulo kuti isiyanitse kupanga ndi kuwotcherera. Pambuyo kuwotcherera chisanadze ndi mwatsatanetsatane, kuwotcherera awiri adzakhala kukodzedwa pambuyo kuwotcherera ozizira. Ubwino wowotcherera uli pafupi ndi chitoliro cha UOE.
ERW wowongoka msoko welded chitoliro nthawi zambiri amagwiritsidwa ntchito ngati waya casing mu makampani magetsi. Mawonekedwe a machitidwe: 100% akupanga kuyezetsa kwa zinthu za kholo kumatsimikizira mtundu wa chitoliro cha thupi; palibe njira yometa tsitsi lotsegula, ndipo zinthu za makolo zimakhala ndi maenje ocheperako komanso zokanda; chitoliro chomalizidwa pambuyo pochotsa kupsinjika kwenikweni sichikhala ndi nkhawa yotsalira; weld ndi waufupi ndipo mwayi wa zolakwika ndizochepa; imatha kunyamula mpweya wowawasa wachilengedwe; pambuyo kukula m'mimba mwake, kukula kwa geometric kulondola kwa chitoliro chachitsulo ndipamwamba; kuwotcherera kukuchitika molunjika pamalo opingasa mukamaliza kupanga, kotero kusalinganiza, kutsegula kwa msoko, ndi kuzungulira kwa chitoliro kumayendetsedwa bwino, ndipo khalidwe la kuwotcherera ndilobwino kwambiri. Miyezo yogwiritsiridwa ntchito: API 5L, API 5CT, ASTM, EN10219-2, GB/T9711, 14291-2006 ndi miyezo ina yaposachedwa. The mankhwala zitsulo makalasi monga: GRB, X42, X52, X60, X65, X70, J55, K55, N80, L80, P110, etc. mankhwala ankagwiritsa ntchito mafuta, gasi, gasi malasha, migodi malasha, makina, magetsi, mulu ndi zolinga zina. Zida zamakono zamakono zamakono: monga W-FF kuumba, kuwotcherera kwapamwamba kwambiri, kutulukira zolakwika za akupanga, kuzindikira zolakwika za magnetic flux, ndi zida zoyesera zapamwamba: monga kusanthula kwazitsulo, Vickers hardness tester, makina oyesa mphamvu, spectrum analyzer, makina oyesera onse ndi zipangizo zina. Zogulitsazo zimatumizidwa ku South America, North America, European Union, Southeast Asia ndi malo ena. Kwa zaka zambiri, akhala akulandiridwa bwino ndi makasitomala padziko lonse lapansi.

Kampani yathu imaperekaEN10210S235JRH, S275JOH, S275J2H, S355JOH,Chithunzi cha S355J2H, S355K2H, yokhala ndi mawonekedwe kuyambira m'mimba mwake 219-1216, makulidwe a khoma 6-40, ndi chitsimikizo cha fakitale choyambirira. Makasitomala padziko lonse lapansi ndi olandiridwa kugula.