Moralo o Khethehileng oa China ASTM A213 T11 T22 Mocheso o Phahameng oa Mocheso o se nang Seamless Alloy Pipe bakeng sa Boiler
Kakaretso
Thepa ea rona e tsejoa ka tloaelo ebile e ka tšeptjoa ke bareki 'me e ka khotsofatsa litlhoko tse tsoelang pele tsa moruo le tsa sechaba bakeng sa ASTM A213 T11 T22 High Temperature Seamless Alloy Steel Pipe, Re na le tšebelisano-'moho e tebileng le lifeme tse makholo Chaena hohle. Thepa eo re fanang ka eona e ka lumellana le litlhoko tse fapaneng. Re khethe, 'me re ke ke ra etsa hore u ikoahlaee! Ka lilemo tse ngata tšebeletso e ntle le nts'etsopele, re na le sehlopha se tšoanelehang sa thekiso ea khoebo ea machabeng. Lintho tsa rona li rometsoe Amerika Leboea, Europe, Japane, Korea, Australia, New Zealand, Russia le linaheng tse ling. Re labalabela ho theha tšebelisano e ntle le e telele le uena nakong e tlang e tlang!
Limaraka tsa tšepe ho A213 le A335 ka tloaelo li ka khonamoemedi bakeng sa enngwe le enngwe tse ding.
Kopo
E sebelisoa haholo ho etsa phala ea tšepe ea boleng bo holimo bakeng sa phala ea boiler ea khatello e phahameng, phala e futhumatsang mocheso le phala e kholo ea mocheso.
Kereiti e ka Sehloohong
Mophato oa tšepe ea boleng bo holimo ea Alloy: T2, T12, T11, T22, T91, T92 joalo-joalo.
Karolo ea Lik'hemik'hale
| Kereiti ea tšepe | Sebopeho sa Lik'hemik'hale% | ||||||||||
| C | Si | Mn | P, S Max | Cr | Mo | Ke Max | V | Al Max | W | B | |
| T2 | 0.10~0.20 | 0.10~0.30 | 0.30~0,61 | 0.025 | 0.50~0,81 | 0.44 ~ 0,65 | - | - | - | - | - |
| T11 | 0.05~0.15 | 0.50 ~ 1.00 | 0.30~0,60 | 0.025 | 1.00 ~ 1.50 | 0.44 ~ 0,65 | - | - | - | - | - |
| T12 | 0.05~0.15 | Boholo ba 0.5 | 0.30~0,61 | 0.025 | 0.80~1.25 | 0.44 ~ 0,65 | - | - | - | - | - |
| T22 | 0.05~0.15 | Boholo ba 0.5 | 0.30~0,60 | 0.025 | 1.90~2,60 | 0.87~1.13 | - | - | - | - | - |
| T91 | 0.07~0.14 | 0.20~0,50 | 0.30~0,60 | 0.02 | 8.0~9.5 | 0.85~1.05 | 0.4 | 0.18~0,25 | 0.015 | - | - |
| T92 | 0.07~0.13 | Boholo ba 0.5 | 0.30~0,60 | 0.02 | 8.5~9.5 | 0.30~0,60 | 0.4 | 0.15~0,25 | 0.015 | 1.50 ~ 2.00 | 0.001~0.006 |
Bakeng sa T91 e 'ngoe ntle le holimo e boetse e kenyelletsa Nickel 0.4, Va 0.18-0.25, Ni 0.06-0.10, Ni 0.03-0.07, Al 0.02, Ti 0.01, Zr 0.01. A Maximum, ntle le haeba ho bontshitswe palo kapa bonyane. Moo li-ellipses (...) li hlahang tafoleng ena, ha ho hlokahale, 'me tlhahlobo ea element ha ea lokela ho khethoa kapa ho tlalehoa. B E lumelletsoe ho odara T2 le T12 e nang le sulphur content ea 0.045 max. C Ntle le moo, sebakeng sa bonyane ba karo-karolelano ena, thepa e tla ba le boima ba bonyane ba 275 HV boemong bo thatafalitsoeng, bo hlalosoang e le ka mor'a austenitizing le ho pholile mocheso oa kamore empa pele ho mocheso. Teko ea boima e tla etsoa bohareng ba botenya ba sehlahisoa. Khafetsa ea teko ea boima e tla ba lisampole tse peli tsa sehlahisoa ho latela sebaka sa kalafo ea mocheso 'me liphetho tsa tlhahlobo ea boima li tla tlalehoa tlalehong ea tlhahlobo ea thepa.
Thepa ea Mechini
| Kereiti ea tšepe | Thepa ea Mechini | |||
| T. S | Y. P | Elongation | Ho thatafala | |
| T2 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T11 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T12 | ≥415MPa | ≥ 220MPa | ≥ 30% | 163HBW(85HRB) |
| T22 | ≥415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T91 | ≥ 585MPa | ≥415MPa | ≥ 20% | 250HBW(25HRB) |
| T92 | ≥ 620MPa | ≥440MPa | ≥ 20% | 250HBW(25HRB) |
Mamello
Liphapano tse lumelletsoeng ka botenya ba Lerako
| Mabota % | |||||
| kantle bophara ho. mm | 0.095 2.4 le ka tlase | ho feta 0.095 ho ea ho 0.15 2.4-3.8 ho kenyeletsa. | ho feta 0.15 ho ea ho 0.18 3.8-4.6 ho kenyeletsa | ho feta 0.18 ho ea ho 4,6 | |
| katlase katlase katlase katlase | |||||
| seamless, ho chesa ho felile | |||||
| 4inch le ka tlase ho 40 0 35 0 33 0 28 0 | |||||
| ho feta 4 intshi .... 35 0 33 0 28 0 | |||||
| seamless, batang fedile | |||||
| ka tlase | |||||
| 11/2 le tlase | 20 0 | ||||
| ho feta 11/2 | 220 | ||||
Liphapang tse lumelletsoeng tsa botenya ba lebota li sebetsa feela ho li-tubes, ntle le li-tubes tse halefileng ka hare, ha ho phethiloe kapa ho bata.
le pele ho tsukutleha, ho atolosa, ho koba, ho bentša, kapa mesebetsi e meng ea ho etsa lintho
Phapang e lumelletsoeng ka ntle ho Diameter
| bophara ba kantle (mm) | Phapang e lumelletsoeng(mm) | |
| e chesang e felileng ka seamless tube | fedile | tlasa |
| 4" (100mm) le ka tlase | 0.4 | 0.8 |
| 4-71/2"(100-200mm) | 0.4 | 1.2 |
| 71/2-9“(200-225) | 0.4 | 1.6 |
| Li-tubes tse cheselitsoeng le li-tubes tse batang li felile | ||
| ka tlase ho 1"(25mm) | 0.1 | 0.11 |
| 1-11/2"(25-40mm) | 0.15 | 0.15 |
| 11/2-2"(40-50mm) | 0.2 | 0.2 |
| 2-21/2"(50-65mm) | 0.25 | 0.25 |
| 21/2-3"(65-75mm) | 0.3 | 0.3 |
| 3-4"(75-100mm) | 0.38 | 0.38 |
| 4-71/2"(100-200mm) | 0.38 | 0.64 |
| 71/2-9“(200-225) | 0.38 | 1.14 |
Tlhokahalo ea Teko
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. Kapa Hydraulic Test e ka nkeloa sebaka ke Eddy Current Testing kapa Magnetic Flux Leakage Testing.
Teko e sa Senyeheng:
Liphaephe tse Hlokang Tlhahlobo e Felletseng li Lokela ho hlahlojoa ka mokhoa o le mong ka bonngoe. Ka mor'a hore 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.
Teko ea Matla:
Bakeng sa Pipe Of Grades P91, P92, P122, And P911, Brinell, Vickers, Or Rockwell Hardness Liteko li Tla Etsoa ka Setšoantšo sa Lotho ka 'ngoe.
Lintlha tsa Sehlahisoa
Tube ea boiler
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
