Kufotokozera kwa Casing and Tubing API SPECIFICATION 5CT NINTH EDITION-2012
| Standard: API 5CT | Aloyi Kapena Ayi: Ayi |
| Gulu la Gulu: J55, K55, N80, L80, P110, etc | Ntchito: Oiled & Casing Pipe |
| makulidwe: 1-100 mm | Chithandizo Chapamwamba: Monga kufunikira kwa kasitomala |
| Diameter Yakunja (Yozungulira): 10 - 1000 mm | Njira: Yotentha Yotentha |
| Utali: R1,R2,R3 | Chithandizo cha kutentha: Kuzimitsa & Normalizing |
| Maonekedwe a Gawo: Chozungulira | Chitoliro Chapadera: Cholowa chachifupi |
| Malo Ochokera: China | Kugwiritsa Ntchito: Mafuta ndi Gasi |
| Chitsimikizo: ISO9001:2008 | Mayeso: NDT |
Pipe muApi5ctamagwiritsidwa ntchito kwambiri pobowola zitsime zamafuta ndi gasi komanso kunyamula mafuta ndi gasi. Chophimba chamafuta chimagwiritsidwa ntchito makamaka pothandizira khoma la borehole panthawi komanso pambuyo pomaliza chitsime kuti zitsimikizire kuti chitsimecho chimagwira ntchito bwino komanso kutha kwa chitsime.
Gulu: J55, K55, N80, L80, P110, etc
| Gulu | Mtundu | C | Mn | Mo | Cr | Ni | Cu | P | s | Si | ||||
| min | max | min | max | min | max | min | max | max | max | max | max | max | ||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| H40 | - | - | - | - | - | - | - | - | - | - | - | - | 0.03 | - |
| j55 | - | - | - | - | - | - | - | - | - | - | - | - | 0.03 | - |
| K55 | - | - | - | - | - | - | - | - | - | - | - | - | 0.03 | - |
| N80 | 1 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| N80 | Q | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| R95 | - | - | 0.45 c | - | 1.9 | - | - | - | - | - | - | 0.03 | 0.03 | 0.45 |
| L80 | 1 | - | 0.43 ndi | - | 1.9 | - | - | - | - | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 |
| L80 | 9Kr | - | 0.15 | 0.3 | 0.6 | 0 90 ku | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| L80 | 13Kr | 0.15 | 0.22 | 0.25 | 1 | - | - | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| C90 | 1 | - | 0.35 | - | 1.2 | 0.25b ku | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.03 | - |
| T95 | 1 | - | 0.35 | - | 1.2 | 0.25b ku | 0.85 | 0 40 | 1.5 | 0.99 | - | 0 020 | 0.01 | - |
| C110 | - | - | 0.35 | - | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.005 | - |
| P1I0 | e | - | 一 | - | - | - | - | - | - | - | - | 0.030 ndi | 0.030 ndi | - |
| QI25 | 1 | - | 0.35 | 1.35 | - | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| ZINDIKIRANI Zinthu zomwe zikuwonetsedwa zidzafotokozedwa pakuwunika kwazinthu | ||||||||||||||
| a Mpweya wa L80 ukhoza kuwonjezeka kufika pa 0.50% ngati chinthucho chazimitsidwa ndi mafuta kapena polima. | ||||||||||||||
| b Zomwe zili molybdenum za Gulu la C90 Type 1 zilibe kulekerera kochepa ngati makulidwe a khoma ndi ochepera 17.78 mm. | ||||||||||||||
| c Mpweya wa kaboni wa R95 ukhoza kuonjezedwa kufika pa 0.55% pamlingo waukulu ngati mankhwalawo azimitsidwa ndi mafuta. | ||||||||||||||
| d Zomwe zili molybdenum za T95 Type 1 zitha kuchepetsedwa mpaka 0.15% osachepera ngati makulidwe a khoma ndi osakwana 17.78 mm. | ||||||||||||||
| e Kwa EW Grade P110, phosphorous yomwe ili pamwambayi ikhale 0.020% ndipo sulfure imakhala 0.010%. | ||||||||||||||
| Gulu | Mtundu | Total Elongation Under Load | Zokolola Mphamvu | Kulimba kwamakokedwe | Kuumandi, c | Kunenepa Kwamakoma | Kusiyanasiyana Kololedwa Kuumab | ||
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| min | max |
| Mtengo wa HRC | Mtengo wa HBW | mm | Mtengo wa HRC |
| H40 | - | 0.5 | 276 | 552 | 414 | - | - | - | - |
| j55 | - | 0.5 | 379 | 552 | 517 | - | - | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - | - | - |
| R95 | - | 0.5 | 655 | 758 | 724 | - | - | - | - |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23.0 | 241.0 | - | - |
| L80 | 9Kr | 0.5 | 552 | 655 | 655 | 23.0 | 241.0 | - | - |
| L80 | l3Cr | 0.5 | 552 | 655 | 655 | 23.0 | 241.0 | - | - |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255.0 | ≤12.70 | 3.0 |
| 12.71 kuti 19.04 | 4.0 | ||||||||
| kuyambira 19.05 mpaka 25.39 | 5.0 | ||||||||
| ≥25.4 | 6.0 | ||||||||
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≤12.70 | 3.0 |
| 12.71 kuti 19.04 | 4.0 | ||||||||
| kuyambira 19.05 mpaka 25.39 | 5.0 | ||||||||
| ≥25.4 | 6.0 | ||||||||
| C110 | - | 0.7 | 758 | 828 | 793 | 30.0 | 286.0 | ≤12.70 | 3.0 |
| 12.71 kuti 19.04 | 4.0 | ||||||||
| kuyambira 19.05 mpaka 25.39 | 5.0 | ||||||||
| ≥25.4 | 6.0 | ||||||||
| P110 | - | 0.6 | 758 | 965 | 862 | - | - | - | - |
| Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | - | ≤12.70 | 3.0 |
| 12.71 kuti 19.04 | 4.0 | ||||||||
| 19.05 | 5.0 | ||||||||
| aPakakhala mkangano, kuyezetsa kuuma kwa labotale ya Rockwell C kudzagwiritsidwa ntchito ngati njira ya woweruza. | |||||||||
| bPalibe malire olimba omwe amatchulidwa, koma kusiyanasiyana kwakukulu kumachepetsedwa ngati kuwongolera kupanga molingana ndi 7.8 ndi 7.9. | |||||||||
| cPakuyesa kulimba kwa khoma kwa Magiredi L80 (mitundu yonse), C90, T95 ndi C110, zofunika zomwe zanenedwa mu sikelo ya HRC ndi nambala yolimba kwambiri. | |||||||||
Kuphatikiza pakuwonetsetsa kupangidwa kwamankhwala ndi makina amakina, mayeso a hydrostatic amachitidwa m'modzim'modzi, ndikuyesa kuphulika ndi kuwongolera kumachitika. . Kuphatikiza apo, pali zofunika zina za microstructure, kukula kwambewu, ndi decarburization wosanjikiza wa chitoliro chomalizidwa chachitsulo.
Tensile Test:
1. Pazinthu zachitsulo zomwe zimapangidwa, wopanga amayenera kuyesa mayeso. Kwa chitoliro chowotcherera chamagetsi, chomwe chimayikidwa pachosankha cha wopanga, kuyesa kwachitsulo kumatha kuchitidwa pa mbale yachitsulo yomwe imagwiritsidwa ntchito popanga chitoliro kapena perfomred pa chitoliro chachitsulo mwachindunji. Kuyesa kochitidwa pa chinthu kungagwiritsidwenso ntchito ngati kuyesa kwazinthu.
2. Machubu oyesera adzasankhidwa mwachisawawa. Pamene mayesero angapo akufunika, njira yotsatsira iwonetsetse kuti zitsanzo zomwe zatengedwa zikhoza kuyimira chiyambi ndi mapeto a kutentha kwa kutentha (ngati kuli koyenera) ndi malekezero onse a chubu. Pamene mayesero angapo akufunika, chitsanzocho chiyenera kutengedwa kuchokera ku machubu osiyanasiyana kupatula kuti chitsanzo cha chubu chokhuthala chikhoza kutengedwa kuchokera kumalekezero onse a chubu.
3. Chitsanzo cha chitoliro chosasunthika chikhoza kutengedwa pamalo aliwonse pamtunda wa chitoliro; chitsanzo chowotcherera chitoliro chiyenera kutengedwa pafupifupi 90 ° ku msoko wowotcherera, kapena posankha wopanga. Zitsanzo zimatengedwa pafupifupi kotala la m'lifupi mwake.
4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho.
5. Ngati kuyesa kwamphamvu koyimira gulu lazinthu sikukwaniritsa zofunikira, wopanga atha kutenga machubu ena atatu kuchokera mugulu lomwelo la machubu kuti awonenso.
Ngati zobwereza zonse za zitsanzozo zikukwaniritsa zofunikira, gulu la machubu ndiloyenera kupatula chubu losayenerera lomwe linayesedwa poyamba.
Ngati zitsanzo zingapo zayesedwa koyambirira kapena chimodzi kapena zingapo zoyesedwanso sizikukwaniritsa zofunikira, wopanga akhoza kuyang'ana gulu la machubu amodzi ndi amodzi.
Gulu lazinthu zokanidwa litha kutenthedwanso ndikusinthidwanso ngati gulu latsopano.
Mayeso a Flattening:
1. Chitsanzo choyesera chidzakhala mphete yoyesera kapena mapeto odulidwa osachepera 63.5mm (2-1 / 2in).
2. Zitsanzo zikhoza kudulidwa musanayambe chithandizo cha kutentha, koma malinga ndi kutentha komweko monga chitoliro chikuyimira. Ngati mayeso a batch agwiritsidwa ntchito, miyeso iyenera kutengedwa kuti izindikire mgwirizano pakati pa zitsanzo ndi chubu lachitsanzo. Ng'anjo iliyonse pagulu lililonse iyenera kuphwanyidwa.
3. Chitsanzocho chidzaphwanyidwa pakati pa mbale ziwiri zofanana. Pazoyeserera zilizonse zoyeserera, weld imodzi idaphwanyidwa pa 90 ° ndipo ina idaphwanyidwa pa 0 °. Chitsanzocho chiyenera kuphwanyidwa mpaka makoma a chubu agwirizane. Pamaso pa mtunda pakati pa mbale zofananira ndi zochepa kuposa mtengo wotchulidwa, palibe ming'alu kapena kusweka kuyenera kuwonekera mu gawo lililonse la chitsanzo. Pa nthawi yonse yopalasa, pasakhale dongosolo losauka, ma weld osakanizidwa, delamination, kuwotcha zitsulo, kapena kutulutsa zitsulo.
4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho.
5. Ngati chitsanzo chilichonse choyimira chubu sichikukwaniritsa zofunikira, wopanga angatenge chitsanzo kuchokera kumapeto komweko kwa chubu kuti ayesedwe mowonjezera mpaka zofunikirazo zikwaniritsidwe. Komabe, kutalika kwa chitoliro chomalizidwa pambuyo pa sampuli sikuyenera kukhala osachepera 80% ya kutalika koyambirira. Ngati chitsanzo chilichonse cha chubu choyimira gulu lazinthu sichikukwaniritsa zofunikira, wopanga atha kutenga machubu owonjezera awiri kuchokera pagulu lazinthu ndikudula zitsanzo kuti ayesenso. Ngati zotsatira za kubwereza izi zonse zikukwaniritsa zofunikira, gulu la machubu ndiloyenera kupatula chubu chomwe chinasankhidwa poyamba monga chitsanzo. Ngati zitsanzo zoyesereranso sizikukwaniritsa zofunikira, wopanga akhoza kuyesa machubu otsala a batch imodzi ndi imodzi. Posankha wopanga, gulu lililonse la machubu limatha kutenthedwanso ndikuyesedwanso ngati gulu latsopano la machubu.
Kuyesa Kwamphamvu:
1. Kwa machubu, mndandanda wa zitsanzo udzatengedwa kuchokera ku chigawo chilichonse (pokhapokha ngati ndondomeko zolembedwa zasonyezedwa kuti zikwaniritse zofunikira za malamulo). Ngati dongosolo lakhazikitsidwa pa A10 (SR16), kuyesako ndi kovomerezeka.
2. Pa casing, mapaipi 3 achitsulo ayenera kutengedwa pagulu lililonse kuti ayesedwe. Machubu oyesera adzasankhidwa mwachisawawa, ndipo njira yachitsanzo idzaonetsetsa kuti zitsanzo zomwe zaperekedwa zikhoza kuyimira chiyambi ndi mapeto a kayendedwe ka kutentha kwa kutentha ndi kutsogolo ndi kumbuyo kwa manja panthawi ya chithandizo cha kutentha.
3. Charpy V-notch impact test
4. Ziribe kanthu kusanachitike komanso pambuyo poyesera, ngati kukonzekera kwachitsanzo kukupezeka kuti kuli kolakwika kapena palibe kusowa kwa zipangizo zomwe sizikugwirizana ndi cholinga cha kuyesa, chitsanzocho chikhoza kuchotsedwa ndikusinthidwa ndi chitsanzo china chopangidwa kuchokera ku chubu chomwecho. Zitsanzo siziyenera kuganiziridwa kuti ndi zolakwika chifukwa chakuti sizikukwaniritsa zofunikira za mphamvu zomwe zimagwiritsidwa ntchito.
5. Ngati zotsatira za zitsanzo zoposa imodzi ndizochepa kuposa zomwe zimafunikira mphamvu zowonongeka, kapena zotsatira za chitsanzo chimodzi ndizochepa kuposa 2/3 ya zomwe zimafunikira mphamvu zowonongeka, zitsanzo zitatu zowonjezera zidzatengedwa kuchokera ku chidutswa chomwecho ndipo kuyesedwanso. Mphamvu yachitsanzo chilichonse yomwe yayesedwanso ikhala yokulirapo kapena yofanana ndi mphamvu yomwe yaperekedwa.
6. Ngati zotsatira za kuyesa kwina sizikugwirizana ndi zofunikira ndipo zikhalidwe za kuyesa kwatsopano sizikukwaniritsidwa, ndiye kuti zitsanzo zitatu zowonjezera zimatengedwa kuchokera ku zidutswa zitatu za batch. Ngati zina zonse zowonjezera zikukwaniritsa zofunikira, gululo ndiloyenera kupatula lomwe linalephera poyamba. Ngati zowonjezera zowonjezera zowonjezera sizikukwaniritsa zofunikira, wopanga angasankhe kuyang'ana zidutswa zotsalira za batchi imodzi ndi imodzi, kapena kutenthetsanso batchiyo ndikuyiyang'ana mu batchi yatsopano.
7. Ngati zambiri mwazinthu zitatu zoyambirira zomwe zimafunikira kutsimikizira gulu la ziyeneretso zikanidwa, kuyang'ananso sikuloledwa kutsimikizira kuti gulu la machubu ndiloyenera. Wopanga angasankhe kuyang'ana magulu otsalawo pang'onopang'ono, kapena kutenthetsanso batchiyo ndikuyiyang'ana mu batchi yatsopano.
Mayeso a Hydrostatic:
1. Chitoliro chilichonse chidzayesedwa ndi hydrostatic pressure test ya chitoliro chonse pambuyo pa kukhuthala (ngati kuli koyenera) ndi chithandizo chomaliza cha kutentha (ngati kuli koyenera), ndipo chidzafika pamtundu wodziwika bwino wa hydrostatic popanda kutaya. Nthawi yoyeserera yoyeserera idapangidwa osakwana 5s. Kwa mipope yowotcherera, ma welds a mapaipi aziyang'aniridwa ngati akutuluka pansi pa kukakamizidwa kwa mayeso. Pokhapokha ngati kuyezetsa kwa chitoliro chonse kwachitidwa pasadakhale pa kukanikiza komwe kumafunikira pa chitoliro chomaliza, fakitale yokonza ulusi iyenera kuyesa hydrostatic (kapena kukonza mayeso otero) pa chitoliro chonse.
2. Mipope yomwe imayenera kutenthedwa kutentha idzayesedwa ndi hydrostatic test pambuyo pa kutentha komaliza. Kuthamanga kwa mayeso a mapaipi onse okhala ndi malekezero a ulusi ayenera kukhala osachepera mayeso a ulusi ndi ma couplings.
3 .Pambuyo pokonza kukula kwa chitoliro chotsirizidwa chakumapeto ndi ziwalo zonse zazifupi zomwe zimatenthedwa ndi kutentha, kuyesedwa kwa hydrostatic kudzachitika pambuyo pa mapeto apansi kapena ulusi.
Diameter Yakunja:
| Mtundu | Tolerane |
| ＜4-1/2 | ± 0.79mm (± 0.031in) |
| ≥4-1/2 | +1%OD~-0.5%OD |
Kwa machubu olumikizirana okhuthala okhala ndi kukula kocheperako kapena kofanana ndi 5-1 / 2, kulolerana kotsatiraku kumagwiritsidwa ntchito kumimba yakunja ya chitoliro mkati mwa mtunda wa pafupifupi 127mm (5.0in) pafupi ndi gawo lokhuthala; Otsatirawa kulolerana ntchito kunja awiri a chubu mkati mwa mtunda wa pafupifupi wofanana ndi awiri a chubu yomweyo moyandikana ndi unakhuthala gawo.
| Mtundu | Kulekerera |
| ≤3-1/2 | +2.38mm~-0.79mm (+3/32in~-1/32in) |
| ＞3-1/2~≤5 | +2.78mm~-0.75%OD (+7/64in~-0.75%OD) |
| ＞5~≤8 5/8 | +3.18mm~-0.75%OD (+1/8in~-0.75%OD) |
| ＞8 5/8 | +3.97mm~-0.75%OD (+5/32in~-0.75%OD) |
Kwa machubu okhuthala akunja okhala ndi kukula kwa 2-3 / 8 ndi kukulirapo, kulolerana kotsatiraku kumagwiritsidwa ntchito kumtunda wakunja wa chitoliro chomwe chakhuthala ndipo makulidwe amasintha pang'onopang'ono kuchokera kumapeto kwa chitoliro.
| Rang | Kulekerera |
| ≥2-3/8~≤3-1/2 | +2.38mm~-0.79mm (+3/32in~-1/32in) |
| ＞3-1/2~≤4 | +2.78mm~-0.79mm (+7/64in~-1/32in) |
| ＞4 | +2.78mm~-0.75%OD (+7/64in~-0.75%OD) |
Makulidwe a khoma:
Kulolera kwa khoma lachitoliro lodziwika bwino ndi -12.5%
Kulemera kwake:
Gome lotsatirali ndilofunika kulekerera kulemera. Pamene makulidwe ochepa a khoma ndi aakulu kuposa kapena ofanana ndi 90% ya makulidwe a khoma, malire apamwamba a kulekerera kwa muzu umodzi ayenera kuwonjezeka kufika ku + 10%
| Kuchuluka | Kulekerera |
| Chigawo Chimodzi | + 6.5 ~ 3.5 |
| Kulemera kwa Galimoto≥18144kg (40000lb) | -1.75% |
| Kulemera kwa Katundu Wagalimoto (18144kg (40000lb) | -3.5% |
| Kuchuluka kwa Order≥18144kg (40000lb) | -1.75% |
| Kuchuluka kwa Order (18144kg (40000lb) | -3.5% |
