20MnG High Pressure Cold Rolled Heat Exchanger Boiler Steel Pipe
Tlhaloso e Khutšoanyane:
GB 5310 20MnG High Pressure Boiler Tubes Lintlha tse Potlakileng
Tlhahiso: Ts'ebetso e se nang moeli, e felile ka ho chesa kapa e felile.
Botenya ba lebota(WT): 2.8 mm——150 mm.
Bophara ba ka ntle (OD): 23 mm——1500 mm.
Bolelele: 6M kapa bolelele bo boletsoeng kamoo ho hlokahalang.
Qetello: Qetello e Hlakileng, Qetello e Beveled, E hatakeloa.
Ka thekenoloji ea rona e etelletseng pele hammoho le moea oa rona oa boqapi, tšebelisano 'moho, melemo le kholo, re tla aha bokamoso bo atlehileng ka kopanelo le feme ea hau e hlomphuoang bakeng sa 20MnG High Pressure Cold Rolled Heat Exchanger Boiler Pipe ea tšepe, Re tla etsa liteko tse eketsehileng ho thusa bareki ba malapeng le ba matjhabeng, le ho hlahisa molemo o le mong le tšebelisano-'moho ea katleho lipakeng tsa rona.re letetse ka tjantjello tšebelisano-'moho ea hau e tiileng.
Ka thekenoloji ea rona e etellang pele hammoho le moea oa rona oa boqapi, tšebelisano-'moho, melemo le kholo, re tla aha bokamoso bo atlehileng ka kopanelo le feme ea hau e hlomphuoang bakeng saChina 20MnG High Pressure Boiler Tubes, Re lumela ho theha likamano tse ntle tsa bareki le tšebelisano e ntle bakeng sa khoebo.Tšebelisano e haufi le bareki ba rona e re thusitse ho theha liketane tse matla tsa phepelo le ho fumana melemo.Thepa ea rona e entse hore re amoheloe hohle le khotsofalo ea bareki ba rona ba bohlokoa lefatšeng ka bophara.
(1)Mokhoa oa ho qhibilihisa tšepe
GB 5310 20MnG tšepe e tla qhibilihisoa ka sebōpi sa motlakase hammoho le ho hloekisa sebōpi, ho fetola oksijene hammoho le ho hloekisa sebōpi kapa mokhoa oa ho qhibilihisa electroslag.
(2) Mekhoa ea tlhahiso le litlhoko tsa likheo tsa tube
Sekoti se se nang letho se ka hlahisoa ka ho lahla ho tsoelang pele, ho lahla kapa ho chesa ho chesa (ho forging).
(3) Mokhoa oa ho etsa thepa ea tšepe ea tšepe
Li-tubes tsa tšepe tsa GB 5310 20MnG li tla etsoa ka ho bilika ho chesang (ho eketsa, ho atolosoa) kapa ho toroea ho batang.
| Kereiti | Phekolo ea mocheso |
| 20MnG | 880 ℃～940 ℃, E tloaelehileng |
| Pipe ea tšepe | Sebopeho sa Lik'hemik'hale(%) | ||||||||
| C | Si | Mn | Cr | Mo | V | Ni | Cu | P Max | |
| 20MnG | 0.17–0.23 | 0.17–0.37 | 0.70–1.00 | ≤0.25 | ≤0.15 | ≤0.08 | ≤0.25 | ≤0.20 | 0.025 |
| Pipe ea tšepe | Thepa ea tensile | Matla a amang (Akv), J | Ho thatafala | ||||||||
| Matla a tšepe | Hlahisa Matla | Elongation | Setšoantšo | Boemo ba naha | A | B | C | ||||
| (MPa) | (MPa) | Sets'oants'o(%) | Boemo ba naha(%) | HBW | HV | HRC | |||||
| Max | Min | ||||||||||
| 20MnG | ≥415 | 240 | 22 | 20 | 40 | 27 | - | - | - | ||
E Sebelisitsoe Haholo-holo ho Etsa tšepe ea boleng bo phahameng ea carbon, alloy Structural Steel le liphaephe tsa tšepe tse sa Tletseng mocheso bakeng sa khatello e phahameng le ka holim'a liphaephe tsa mouoane.
Haholo-holo e Sebelisoa Bakeng sa Tšebeletso ea Khatello e Phahameng le Mocheso o Phahameng oa Boiler(Superheater Tube, Reheater Tube, Air Guide Tube, Main Steam Tube Bakeng sa Liboiler tse Phahameng le tsa Ultra High Pressure).Tlas'a Ketso ea Khase e Phahameng ea Mocheso oa Flue le Mouoane oa Metsi, Tube e Tla Oxidize 'me E Corrode.Hoa Hlokahala Hore Pipe ea Tšepe e be le Tšireletseho e Phahameng, e Hanyetsa ho Hoholo Oxidation le Corrosion, 'me e be le Botsitso bo Botle ba Sebopeho.
Mophato oa tšepe ea boleng bo holimo ea Carbon Structural: 20g, 20mng, 25mng
Grade Of Alloy Structural Steel: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, joalo-joalo
Mophato oa Tšepe e Tnehang ho Rust: 1cr18ni9 1cr18ni11nb
Bolelele:
Bolelele bo Tloaelehileng ba lipeipi tsa tšepe ke 4 000 mm ~ 12 000 mm.Ka mor'a Therisano Pakeng Tsa Thepa le Moreki, 'me U Tlatse Konteraka, E ka Fanoa Liphaephe Tsa Tšepe Ka Bolelele Bo Ho Feta 12 000 Mm Kapa E Khutšoane Ho Feta Ke 000 Mm Empa Ha e Khutšoane ho Feta 3 000 Mm;Bolelele bo Khutšoane Palo ea Lipeipi Tsa Tšepe Ka Tlase ho 4,000 mm Empa E Se Ka Tlase ho 3,000 Mm e Ke ke ea Feta 5% ea Palo kaofela ea Lipeipi Tsa Tšepe Tse Fanoeng.
Boima ba thomello:
Ha Pipe ea Tšepe e Fanoa ho ea ka Botenya ba Bokantle ba Lebitso le Botenya ba Lebota ka Lebitso Kapa Botenya ba Bokahare ba Lebitso le Botenya ba Lerako, Pipe ea Tšepe e Fanoa ho ea ka Boima ba 'Nete.E ka boela ea fanoa ho ea ka Theoretical Weight.
Ha Pipe ea Tšepe e Isoa ho ea ka Lebitso la Outer Diameter Le Bonyane Botenya ba Lerako, Pipe ea Tšepe e Isoa ho ea ka Boima ba 'Nete;The Supply and Demand Parties Re buisana.Mme E Bontshitswe Ka Konteraka.Pipe ea tšepe e ka boela ea fanoa ho ea ka boima ba 'mele.
Boima ba Boima:
Ho ea ka Litlhoko tsa Moreki, Ka mor'a Therisano pakeng tsa Morekisi le Moreki, 'me Ka Konteraka, Phapang pakeng tsa Boima ba 'Nete le Boima ba Khopolo ea Pipe ea Ts'epe ea Thomello e Tla Kopana le Litlhoko Tse Latelang:
A) Pipe ea tšepe e le 'ngoe: ± 10%;
B) Sehlopha se seng le se seng sa liphaephe tsa tšepe tse nang le boholo bo fokolang ba 10 T: ± 7.5%.
Teko ea Hydraustatic:
Pipe ea tšepe e Lokela ho Lekoa Hydraulically One By One.Khatello e phahameng ea teko ke 20 MPa.Tlas'a Khatello ea Teko, Nako ea Botsitso ha ea lokela ho ba ka tlase ho 10 S, 'me Pipe ea tšepe ha ea lokela ho Lula.
Ka mor'a hore Mosebelisi a Lumellane, Tlhahlobo ea Hydraulic e ka nkeloa sebaka ke tlhahlobo ea Eddy Current kapa Magnetic Flux Leakage Testing.
Teko e sa Senyeheng:
Liphaephe tse Hlokang Tlhahlobo e Felletseng li Lokela ho hlahlojoa ka mokhoa o le mong oa Ultrasonically.Ka mor'a Puisano e Hloka Tumello ea Mokha 'me e hlalositsoe Konterakang, Litlhahlobo tse ling tse sa senyeheng li ka eketsoa.
Teko ea ho batalatsa:
Li-tubes tse nang le bophara ba ka ntle ho feta 22 mm li tla kengoa tekong ea ho batalla.Ha ho Delamination e Bonahalang, Matheba a Masoeu, Kapa Litšila tse Lokelang ho Etsahala Nakong ea Teko Eohle.
Flaring Test:
Ho ea ka Litlhoko tsa Moreki 'me e Boletsoe Konterakang, Pipe ea tšepe e nang le bophara ba ka ntle ≤76mm le Botenya ba Lerako ≤8mm e ka Etsoa Tlhahlobo ea Flaring .Teko ena e entsoe ka Mocheso oa Kamore ka Theipi ea 60 °.Ka mor'a ho phatloha, sekhahla sa ho phatloha ha bophara ba ka ntle se lokela ho kopana le litlhoko tsa tafole e latelang, 'me thepa ea teko ha ea lokela ho bontša mapetso kapa maqheka.
Ka theknoloji ea rona e etellang pele hammoho le moea oa rona oa boqapi, tšebelisano-'moho, melemo le kholo, re tla aha bokamoso bo atlehileng re kopane hammoho le feme ea hau e hlomphuoang.
20MnG High Pressure Cold Rolled Heat Exchanger Boiler Steel Pipe
Re tlil'o etsa boiteko bo eketsehileng ba ho thusa bareki ba malapeng le ba machaba, le ho hlahisa molemo o mong le o mong le tšebelisano-'moho pakeng tsa rona.re letetse ka tjantjello tšebelisano-'moho ea hau e tiileng.
China 20MnG High Pressure Boiler Tubes
Re lumela ho theha likamano tse ntle tsa bareki le likamano tse ntle bakeng sa khoebo.Tšebelisano e haufi le bareki ba rona e re thusitse ho theha liketane tse matla tsa phepelo le ho fumana melemo.Thepa ea rona e entse hore re amoheloe hohle le khotsofalo ea bareki ba rona ba bohlokoa lefatšeng ka bophara.
