Moetsi oa OEM China Mocheso o Phahameng oa Sch40 A53 A106 API 5L e se nang Mokotla le Peipi ea Tšepe e Welded Carbon
Kakaretso
Morero oa rona hangata ke ho fetoha mofani oa lipeipi tsa boleng bo holimo ka ho fana ka tšehetso ea litifikeiti tsa phaello le nakong ea phano, bokhoni ba ts'ebeletso bakeng sa Pipe ea Ts'ebeletso ea Mocheso o Phahameng oa Mocheso, Litharollo tsa rona li ananeloa haholo ebile lia tšepahala ke basebelisi 'me li ka khotsofatsa ho tsoela pele ho fumana moruo. le litlhoko tsa sechaba. Re latela ka hloko maemo a hlokahalang ho sebetsa lihlahisoa tsena tse netefatsang ho tšoarella le ho ts'epahala ha lihlahisoa. Re latela theknoloji ea morao-rao e sebetsang e re lumellang ho fana ka boleng bo ke keng ba bapisoa ba lihlahisoa bakeng sa bareki ba rona. Re lula re hahamalla phetheho 'me boiteko bohle ba rona bo lebisitsoe molemong oa ho fumana khotsofalo e felletseng ea bareki.
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