Pipe Line Welding Spiral Seam Steel Pipes
Ho Cangzhou Spiral Steel Pipe Group Co., Ltd., ea Ronaliphaephe tsa seam spiralke lihlahisoa tsa boleng bo holimo tse fihlelang litekanyetso tse phahameng tsa indasteri.Liphaephe tsa rona li etselitsoe mefuta e fapaneng ea lisebelisoa 'me li tsejoa ka ho tšoarella ha tsona, matla le ho hanyetsa ho bola.
Carbon ke ntho ea mantlha ea tšepe le motheo oa ho khetholla tšepe ho tšepe.Liphaephe tsa rona tsa spiral seam li entsoe ka tšepe ea boleng bo holimo e netefatsang matla le nako e telele.Ka lihlahisoa tsa bona tse phahameng tsa carbon, liphaephe tsa rona li loketse mefuta e mengata ea lisebelisoa tsa indasteri.
Thepa ea Mechini
| tšepe kereiti | bonyane matla a tlhahiso | Matla a tšepe | Bonyane bo bolelele | Matla a fokolang a ts'usumetso | ||||
| Botenya bo boletsoeng | Botenya bo boletsoeng | Botenya bo boletsoeng | ka mocheso oa teko ea | |||||
| ＜16 | ~16≤40 | ＜3 | ≥3≤40 | ≤40 | -20 ℃ | 0℃ | 20 ℃ | |
| 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 | - | - | |||||
Ntle le khabone, li-tubes tsa rona tsa spiral seam li na le likarolo tse ling tsa bohlokoa joalo ka nickel le chromium.Nickel ke tšepe ea ferromagnetic e eketsang matla le ho belisoa ha phala ka kakaretso.Ho phaella moo, e hanela kutu 'me e tiisa bophelo bo bolelele ba tšebeletso bakeng sa liphaephe tsa rona.Chromium, ka lehlakoreng le leng, ke ntho ea bohlokoa ka har'a tšepe e sa hloekang 'me e na le khanyetso e ntle ea kutu.Ho kenyelletsoa ha chromium liphaepheng tsa rona tsa seam sa spiral ho eketsa bophelo ba bona bo bolelele le ho ts'epahala.
O mong oa melemo ea mantlha ea liphaephe tsa rona tsa spiral seam ke moralo oa tsona o se nang moeli, o fihlellehang ka theknoloji e tsoetseng pele ea ho cheselletsa.Theknoloji ea rona ea morao-rao ea SAWH (Submerged Arc Spiral Welding) ea theknoloji e tiisa maqhama a matla le a nako e telele pakeng tsa lipoleiti tsa tšepe tsa pipe.Theknoloji ena ea tjheseletsa ha e ntlafatse feela thepa ea mechine ea phala, empa e boetse e tiisa hore ho na le sebaka se ka hare se boreleli, se thusang ho phalla hantle ha metsi a sa tšoaneng kapa likhase.
Lipeipi tsa rona tsa spiral seam li sebelisoa haholo liindastering tse ngata, ho kenyeletsoa oli le khase, lipalangoang tsa metsi, kaho le ntlafatso ea meralo.E ka kengoa ts'ebetsong mererong ea lebopong le kantle ho naha le lits'ebetsong tsa lipeipi bakeng sa merero e fapaneng.Ka ts'ebetso ea eona e ntle ea ho hanyetsa kutu le matla a phahameng a ho tsitsa, liphaephe tsa rona ke khetho ea pele bakeng sa ho cheselletsa liphaephe libakeng tse thata.
Sebopeho sa Lik'hemik'hale
| Kereiti ea tšepe | Mofuta oa de-oxidation a | % ka boima, boholo | ||||||
| Lebitso la tšepe | Nomoro ea tšepe | 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.Mokhoa oa deoxidation o khethiloe ka tsela e latelang: FF: Tšepe e bolailoeng ka ho feletseng e nang le likarolo tse tlamang tsa nitrogen ka bongata bo lekaneng ho kopanya naetrojene e fumanehang (mohlala, min. 0,020 % kakaretso ea Al kapa 0,015 % e qhibilihang Al). b.Theko e phahameng ea naetrojene ha e sebetse haeba motsoako oa lik'hemik'hale o bontša bonyane kakaretso ea Al content ea 0,020 % ka tekanyo ea bonyane ea Al/N ea 2:1, kapa haeba likarolo tse ling tse lekaneng tsa N-binding li le teng.Lintlha tse tlamang N li tla tlalehoa Tokomaneng ea Tlhahlobo. | ||||||||
Ho Cangzhou Spiral Steel Pipe Group Co., Ltd., re beha boleng le khotsofalo ea bareki pele.Sehlopha sa rona se inehetseng sa litsebi se netefatsa hore phala e 'ngoe le e' ngoe ea spiral seam e kena mekhoa e thata ea ho laola boleng ho finyella litekanyetso tsa machaba.Ntle le moo, re fana ka mefuta e fapaneng ea khetho ea ho roala liphaephe, ho kenyelletsa epoxy, polyethylene le seretse sa samente, ho ntlafatsa ho hanyetsa ha phala ea ho bola le ho lelefatsa bophelo ba eona ba ts'ebeletso.
Ka kakaretso
Cangzhou Spiral Steel Pipe Group Co., Ltd. e motlotlo ho fana ka lipeipi tsa seam tsa boleng bo holimo bakeng sa lits'ebetso tse fapaneng.Re tsepamisitse maikutlo ho hlahiseng ho nepahetseng, theknoloji e tsoetseng pele ea ho tjheseletsa le lisebelisoa tsa boleng ho fa bareki litharollo tse tšepahalang, tse sebetsang hantle bakeng sa litlhoko tsa bona tsa liphaephe.Re tšepe hore re tla fihlela litlhoko tsohle tsa hau 'me re bone ka pele ho ts'epahala le ho tiea ha lipeipi tsa rona tsa seam.
