Spiral Submerged Arc Welded Mapaipi Amakampani Amakono
Ubwino wa spiral submerged arc welded pipe:
1. Kumanga moyenera:
Mapaipi a SSAW amakhala ndi mawonekedwe ozungulira omwe amalola kupanga bwino komanso kuchepetsa nthawi yopanga.Khalidwe lapaderali limapangitsa kuti likhale loyamba kusankha ntchito zazikulu zomanga monga mafuta ndimapaipi gasi, njira zotumizira madzi, ndi nsanja zobowolera m'mphepete mwa nyanja.Kuwotcherera mosalekeza kumapangitsa kuti pakhale kukhulupirika kwadongosolo, ndikuwonjezera kukhazikika komanso moyo wautumiki wa chitoliro.
Standard | Chitsulo kalasi | Chemical zikuchokera | Makoma katundu | Mayeso a Charpy Impact ndi Mayeso a Drop Weight Tear | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4) (%) | Rt0.5 Mpa Zokolola mphamvu | Rm Mpa Tensile Strength | Rt0.5/ Rm | (L0=5.65 √ S0)Elongation A% | ||||||
max | max | max | max | max | max | max | max | Zina | max | min | max | min | max | max | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Kuyesa kwa Charpy impact: Mphamvu yotengera mphamvu ya thupi la chitoliro ndi msoko wowotcherera idzayesedwa monga momwe zimafunira mulingo woyambirira.Kuti mudziwe zambiri, onani muyeso woyambirira.Mayeso ogwetsa misozi: Malo ometa mwasankha | |
GB/T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1) 2) 3 | Kukambilana | 555 | 705 | 625 | 825 | 0.95 | 18 |
2. Mphamvu zabwino kwambiri ndi kusinthasintha:
Mapangidwe ozungulira a chitoliro cha SSAW amawonjezera mphamvu zake, kulola kukana kukakamiza kwakunja ndi mkati.Mapaipiwa amatha kupirira mikhalidwe yoopsa ya mumlengalenga, kuwapangitsa kukhala oyenera kuyika pamwamba ndi pansi pa nthaka.Kuonjezera apo, kusinthasintha kwa mapaipi a SSAW amalola kuti azitha kusintha mosavuta ndikuyika m'madera osiyanasiyana, kuphatikizapo malo ovuta komanso dothi losakhazikika.
3. Yankho lotsika mtengo:
Njira zowotcherera mosalekeza zimachulukitsa zokolola pomwe zimachepetsa kwambiri kuwonongeka kwa kuwotcherera ndi ndalama.Kuonjezera apo, mapaipi ozungulira ozungulira arc arc welded amapereka mphamvu zapamwamba komanso zolimba, kuchepetsa mtengo wokonza ndi kukonza pa moyo wawo wonse, zomwe zimawapangitsa kukhala ogula malonda.
Zovuta zomwe zimakumana ndi mipope yozungulira yolowera pansi pamadzi:
1. Kuwongolera Ubwino:
Chifukwa cha njira zovuta zowotcherera zomwe zimakhudzidwa popanga mapaipi otenthetsera ozungulira pansi pamadzi, kuwonetsetsa kuti kusasinthika kumakhala kovuta.Ngati zowotcherera sizikuyendetsedwa bwino, zolakwika zowotcherera monga ma undercuts, pores, ndi kusowa kwa maphatikizidwe zimachitika.Kuti tithane ndi vutoli, njira zowongolera zowongolera bwino komanso njira zotsogola zowunikira panthawi yopanga ndizofunikira.
2. Chitoliro choletsa m'mimba mwake:
Ngakhale ma spiral submerged arc welded mapaipi ndiabwino pakugwiritsa ntchito mainchesi akulu, sangakhale oyenera kumafakitale omwe amafunikira kukula kwa mapaipi ang'onoang'ono.Kupangako kumakhala kothandiza kwambiri pamapaipi okulirapo, zomwe zimapangitsa kuti ntchito zing'onozing'ono zikhale zocheperako monga mapaipi anyumba ndi mafakitale ang'onoang'ono.Pazofunikira zotere, njira zina zamakina opanga mapaipi ziyenera kuganiziridwa.
3. zokutira pamwamba:
Vuto lina lomwe makampani a chitoliro a SSAW akukumana nawo ndikuwonetsetsa kuti zokutira zoyenera komanso zolimba kuti ziteteze ku dzimbiri ndi kuvala.Kupaka utoto pamalo ozungulira kumafunikira zida zapamwamba komanso ukadaulo kuti zitsimikizire kuphimba ndi kumamatira.Kuphimba koyenera ndi kofunikira pakukulitsa moyo wautumiki wa chitoliro chozungulira cha arc, makamaka m'malo ovuta.
Pomaliza:
Mapaipi a Spiral submerged arc welded atsimikizira kuti ndiukadaulo wopindulitsa kwambiri m'makampani amakono, opatsa mphamvu, mphamvu komanso zotsika mtengo.Msoko wake wapadera wa spiral weld umalola kupanga bwino komanso kukhazikika, ndikupangitsa kuti ikhale yoyenera ntchito zomanga zazikulu.Komabe, kuti zinthu zipitirire kuchita bwino komanso kutengera kufalikira kwaukadaulo wopanga izi, zovuta monga kuwongolera bwino, kuchuluka kwa mainchesi ochepa, ndi zokutira pamwamba zikuyenera kuthetsedwa.Pothana ndi zovutazi kudzera mukupita patsogolo kwaukadaulo komanso mgwirizano wamabizinesi, chitoliro cha spiral submerged arc welded chili ndi tsogolo labwino pakusintha ndikukhazikitsa maziko ofunikira padziko lonse lapansi.