Mohloli oa fektheri Astm A213 T22 Seamless Steel Pipe/tube
Re ipapisitse le matla a matla a tekheniki 'me re lula re theha mahlale a tsoetseng pele ho fihlela tlhoko ea Mohloli oa Fektheri oa Astm A213 T22 Seamless Steel Pipe/tube, Ho ba teng ho sa feleng ha thepa ea boleng bo holimo hammoho le ts'ehetso ea rona e ntle ea pele le ka morao ho thekiso e netefatsa tlholisano e matla ho 'maraka o ntseng o eketseha oa lefats'e.
Re itšetlehile ka matla a matla a tekheniki 'me re lula re theha mahlale a tsoetseng pele ho fihlela tlhoko eaAlloy, Astm A213 T22, Pipe ea tšepe e se nang Mokotla / tube, Re lumela boleng le khotsofalo ea bareki e fihletsoeng ke sehlopha sa batho ba inehetseng haholo. Sehlopha sa k'hamphani ea rona se sebelisang mahlale a morao-rao se fana ka lihlahisoa tsa boleng bo holimo tse ratoang le ho ananeloa ke bareki ba rona lefatšeng ka bophara.
Kakaretso
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) |
Tlhokahalo ea Teko
Ntle le ho netefatsa sebopeho sa lik'hemik'hale le thepa ea mochini, liteko tsa hydrostatic li etsoa ka bonngoe, 'me ho etsoa liteko tsa ho phatloha le ho bata. . Ho phaella moo, ho na le litlhoko tse itseng bakeng sa microstructure, boholo ba lijo-thollo, le lera la decarburization ea phala ea tšepe e phethiloeng.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Ka Kreiti e 'ngoe ea ASTM SA213 Alloy Steel Pipe
Sephutheloana
Ka Mengata Le ka Lebokoseng le Matla la Lehong
Phano
Matsatsi a 7-14 haeba a le setokong, matsatsi a 30-45 ho hlahisa
Tefo
30% depsoit, 70% L/C kapa B/L kopi kapa 100% L/C ha u bona
Lintlha tsa Sehlahisoa
Tube ea boiler
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
