OEM China ASTM A106/ API 5L / ASTM A53 sehlopheng sa b phala ea tšepe e se nang moroalo bakeng sa phaephe ea oli le khase
Kakaretso
Re lula re etsa mosebetsi ka ho ba sehlopha sa litsebi ho etsa bonnete ba hore re ka u fa boleng ba boleng bo holimo haholo le sekgahla se sebetsang ka ho fetisisa. Bakeng sa phala ea tšepe e sa rokoeng ea ASTM A106/ API 5L / ASTM A53 ea sehlopha sa B bakeng sa lipeipi tsa oli le khase, re na le boiphihlelo bo fetang lilemo tse 3 ho e fana ka maemo a fapaneng a ts'ebeliso. Re tla nka ho khotsofatsoa ke bareki e le molao-motheo, re sebelise lisebelisoa tsa rona ho fana ka seo moreki oa rona a hlileng a se hlokang le ho etsa hore bareki ba rona ba be le litšenyehelo tse tlase.
Re amohela ka mofuthu bareki ba malapeng le ba mose ho maoatle ho etela k'hamphani ea rona le ho bua ka khoebo. Khampani ea rona e lula e tsitlella molao-motheo oa "boleng bo botle, theko e utloahalang, tšebeletso ea boemo ba pele". Re 'nile ra ikemisetsa ho aha tšebelisano-'moho ea nako e telele, e nang le botsoalle le e molemo le uena.
Kopo
Pipe ea tšepe e sa tsitsang bakeng sa ts'ebetso e phahameng ea mocheso ASTM A106, e loketseng mocheso o phahameng
Kereiti e ka Sehloohong
Kereiti ea boleng bo holimo ba tšepe ea sebopeho sa carbon: G.A,GR.B,GR.C
Karolo ea Lik'hemik'hale
| Sebopeho, ％ | |||
| Kereiti A | Sehlopha sa B | Mophato C | |
| Khabone, max | 0.25A | 0.3B | 0.35B |
| Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
| Phosphorus, max | 0.035 | 0.035 | 0.035 |
| Sebabole, max | 0.035 | 0.035 | 0.035 |
| Silicon, min | 0.10 | 0.10 | 0.10 |
| Chrome, maxC | 0.40 | 0.40 | 0.40 |
| Koporo, maxC | 0.40 | 0.40 | 0.40 |
| Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
| Nickel, maxC | 0.40 | 0.40 | 0.40 |
| Vanadium, maxC | 0.08 | 0.08 | 0.08 |
| A Bakeng sa phokotso e 'ngoe le e 'ngoe ea 0.01% ka tlase ho boholo ba carbon e boletsoeng, keketseho ea 0.06% ea manganese ka holimo ho palo e boletsoeng e tla lumelloa ho fihla ho boholo ba 1.35%. | |||
| B Ntle le ha moreki a hlalositse ka tsela e nngwe, bakeng sa phokotso e nngwe le e nngwe ya 0.01% ka tlase ho boholo ba khabone e boletsweng, keketseho ya 0.06% ya manganese ka hodima boholo bo boletsweng e tla dumellwa ho fihla ho boholo ba 1.65%. | |||
| C Lintlha tsena tse hlano li kopane ha li na ho feta 1%. | |||
Thepa ea Mechini
| Kereiti A | Sehlopha sa B | Mophato C | ||||||
| Matla a thata, min, psi(MPa) | 48 000(330) | 60 000(415) | 70 000(485) | |||||
| Ho hlahisa matla, min, psi(MPa) | 30 000(205) | 35 000(240) | 40 000(275) | |||||
| Longitudinal | Phatlalatso | Longitudinal | Phatlalatso | Longitudinal | Phatlalatso | |||
| Elongation ho 2 in. (50 mm), min, % Liteko tsa mantlha tsa elongation transverse strip, le tsa boholo bo nyane bo lekiloeng ka karolo e felletseng | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
| Ha maemo a potoloha 2-in. Ho sebelisoa mohlala oa teko ea bolelele ba (50-mm). | 28 | 20 | 22 | 12 | 20 | 12 | ||
| Bakeng sa liteko tsa longitudinal strip | A | A | A | |||||
| Bakeng sa liteko tsa transverse strip, theolelo bakeng sa 1/32-in ka 'ngoe. (0.8-mm) phokotseho ea botenya ba lebota ka tlase ho 5/16 in. (7.9 mm) ho tloha botlaaseng ba bolelele ba peresente e latelang e tla etsoa. | 1.25 | 1.00 | 1.00 | |||||
| A Bonyane ba bolelele ho 2 in. (50 mm) bo tla laolwa ke equation e latelang: | ||||||||
| e=625000A 0.2 / U 0.9 | ||||||||
| bakeng sa diyuniti tsa inch-pound, le | ||||||||
| e=1940A 0.2 / U 0.9 | ||||||||
| bakeng sa likarolo tsa SI, | ||||||||
| moo: e = bolelele ba bonyane ka 2 in. (50 mm), %, e pota-potiloe ho 0.5% e haufi, A = sebaka se arohaneng sa mohlala oa teko ea tsitsipano, in.2 (mm2), se ipapisitse le bophara bo boletsoeng ka ntle kapa bophara bo boletsoeng ka ntle kapa bophara ba mohlala le botenya ba lebota bo boletsoeng, bo pota-potiloeng ho 0.01 in.2 (1 mm2) . (Haeba sebaka se baloang ka tsela eo se lekana kapa se seholo ho feta 0.75 in.2 (500 mm2), joale boleng ba 0.75 in.2 (500 mm2) bo tla sebelisoa.), le U = matla a tsitsitseng a boletsoeng, psi (MPa). | ||||||||
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 1000 ka Khoeli Kereiting Ka 'ngoe ea ASTM SA-106 Pipe ea Tšepe
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
