API5CT Bututun Mai
Standard: API 5CT | Alloy Ko A'a: A'a |
Rukuni mai daraja: J55,K55,N80,L80,P110, da dai sauransu | Aikace-aikace: Mai & Casing Pipe |
Kauri: 1-100 mm | Surface Jiyya: A matsayin abokin ciniki ta bukata |
Diamita na waje (Zagaye): 10 - 1000 mm | Fasaha: Hot Rolled |
Tsawon: R1, R2, R3 | Maganin zafi: Quenching & Normalizing |
Siffar Sashe: Zagaye | Bututu na Musamman: Gajeren haɗin gwiwa |
Wurin Asalin: China | Amfani: Mai da Gas |
Takaddun shaida: ISO9001:2008 | Gwajin: NDT |
An fi amfani da bututu a cikin Api5ct don hakar rijiyoyin mai da iskar gas da jigilar mai da iskar gas. Ana amfani da kaskon mai don tallafawa bangon rijiyar lokacin da kuma bayan kammala rijiyar don tabbatar da aikin rijiyar da kuma kammala aikin rijiyar.
Darasi: J55, K55, N80, L80, P110, da dai sauransu
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Daraja | Nau'in | Jimlar Ƙarƙashin Ƙarƙashin Load | Ƙarfin Haɓaka | Ƙarfin Ƙarfi | Tauria,c | Ƙaunar bangon Ƙayyadaddun | Bambancin Taurin Halalab | ||
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| min | max |
| HRC | HBW | mm | 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 | 9Cr | 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 zuwa 19.04 | 4.0 | ||||||||
19.05 zuwa 25.39 | 5.0 | ||||||||
≥25.4 | 6.0 | ||||||||
T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≤12.70 | 3.0 |
12.71 zuwa 19.04 | 4.0 | ||||||||
19.05 zuwa 25.39 | 5.0 | ||||||||
≥25.4 | 6.0 | ||||||||
C110 | - | 0.7 | 758 | 828 | 793 | 30.0 | 286.0 | ≤12.70 | 3.0 |
12.71 zuwa 19.04 | 4.0 | ||||||||
19.05 zuwa 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 zuwa 19.04 | 4.0 | ||||||||
19.05 | 5.0 | ||||||||
aIdan akwai jayayya, gwajin taurin Rockwell C na dakin gwaje-gwaje za a yi amfani da shi azaman hanyar alkalin wasa. | |||||||||
bBabu ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi, amma matsakaicin bambancin yana iyakance azaman sarrafa masana'anta daidai da 7.8 da 7.9. | |||||||||
cDon gwaje-gwajen taurin bango na Maki L80 (duk iri), C90, T95 da C110, buƙatun da aka bayyana a sikelin HRC don matsakaicin matsakaicin taurin lamba. |
Baya ga tabbatar da abun da ke tattare da sinadarai da kaddarorin injina, ana yin gwaje-gwajen hydrostatic daya bayan daya, kuma ana yin gwaje-gwajen flaring da flattening. . Bugu da ƙari, akwai wasu buƙatu don ƙananan ƙwayoyin cuta, girman hatsi, da decarburization Layer na bututun ƙarfe da aka gama.
Gwajin Tensile:
1. Don kayan ƙarfe na samfurori, masana'anta ya kamata suyi gwajin gwaji. Don bututun mai waldaran lantarki, wanda ya dogara da zaɓin masana'anta, ana iya yin gwajin tensile akan farantin karfen da ake yin bututu ko sanya bututun ƙarfe kai tsaye. Hakanan ana iya amfani da gwajin da aka yi akan samfur azaman gwajin samfur.
2. Za a zaɓi bututun gwaji ba da gangan ba. Lokacin da ake buƙatar gwaje-gwaje da yawa, hanyar samfurin za ta tabbatar da cewa samfuran da aka ɗauka na iya wakiltar farkon da ƙarshen yanayin zafin zafi (idan an zartar) da duka ƙarshen bututu. Lokacin da ake buƙatar gwaje-gwaje da yawa, za a ɗauki tsarin daga bututu daban-daban sai dai ana iya ɗaukar samfurin bututu mai kauri daga duka ƙarshen bututu.
3. Za a iya ɗaukar samfurin bututu maras kyau a kowane matsayi a kan kewaye da bututu; welded bututu samfurin ya kamata a dauka a game da 90 ° zuwa weld kabu, ko a zabi na manufacturer. Ana ɗaukar samfurori a kusan kashi ɗaya cikin huɗu na faɗin tsiri.
4. Komai kafin da kuma bayan gwajin, idan an gano shirye-shiryen samfurin yana da lahani ko kuma akwai rashin kayan da ba su dace da manufar gwajin ba, za a iya cire samfurin kuma a maye gurbinsu da wani samfurin da aka yi daga wannan bututu.
5. Idan gwajin daskarewa da ke wakiltar tarin samfurori bai cika buƙatun ba, mai sana'anta na iya ɗaukar wasu bututun 3 daga nau'in bututu guda ɗaya don sake dubawa.
Idan duk sake gwajin samfuran sun cika buƙatun, rukunin bututun sun cancanta sai dai bututun da bai cancanta ba wanda aka yi samfuri da farko.
Idan samfurin sama da ɗaya aka fara fara samfur ko ɗaya ko fiye don sake gwadawa ba su cika ƙayyadaddun buƙatun ba, masana'anta na iya bincika tarin bututu ɗaya bayan ɗaya.
Batun samfuran da aka ƙi za a iya sake yin zafi da sake sarrafa su azaman sabon tsari.
Gwajin Lalacewa:
1. Samfurin gwajin ya zama zoben gwaji ko yanke ƙarshen ba kasa da 63.5mm (2-1 / 2in).
2. Za a iya yanke samfurori kafin maganin zafi, amma a ƙarƙashin maganin zafi iri ɗaya kamar yadda bututu ke wakilta. Idan an yi amfani da gwajin batch, za a ɗauki matakan gano alakar da ke tsakanin samfurin da bututun samfur. Kowane tanderun da ke cikin kowane baga ya kamata a murƙushe su.
3. Za a daidaita samfurin tsakanin faranti guda biyu masu kama da juna. A cikin kowane nau'in gwaji na lallaɓawa, walda ɗaya an daidaita shi a 90 ° ɗayan kuma ya baje a 0 °. Za a baje samfurin har sai bangon bututu ya hadu. Kafin nisa tsakanin faranti masu layi daya ya zama ƙasa da ƙayyadaddun ƙimar, babu fasa ko fashe ya kamata ya bayyana a kowane ɓangare na ƙirar. A duk lokacin aikin lallashi, bai kamata a kasance wani tsari mara kyau ba, welds ɗin da ba a haɗa su ba, lalatawa, ƙonewar ƙarfe, ko fitar da ƙarfe.
4. Komai kafin da kuma bayan gwajin, idan an gano shirye-shiryen samfurin yana da lahani ko kuma akwai rashin kayan da ba su dace da manufar gwajin ba, za a iya cire samfurin kuma a maye gurbinsu da wani samfurin da aka yi daga wannan bututu.
5. Idan kowane samfurin da ke wakiltar bututu bai cika ƙayyadaddun buƙatun ba, masana'anta na iya ɗaukar samfurin daga ƙarshen bututun don ƙarin gwaji har sai an cika buƙatun. Duk da haka, tsawon bututun da aka gama bayan samfurin dole ne ya zama ƙasa da 80% na tsayin asali. Idan kowane samfurin bututu mai wakiltar tarin samfuran bai cika ƙayyadaddun buƙatun ba, masana'anta na iya ɗaukar ƙarin bututu biyu daga rukunin samfuran kuma yanke samfuran don sake gwadawa. Idan sakamakon waɗannan gwaje-gwajen duk sun cika buƙatun, rukunin bututun sun cancanta sai dai bututun da aka zaɓa asali azaman samfurin. Idan ɗayan samfuran sake gwadawa bai cika ƙayyadaddun buƙatun ba, masana'anta na iya yin samfurin sauran bututun tsari ɗaya bayan ɗaya. A zaɓi na masana'anta, kowane nau'in bututu za a iya sake yin maganin zafi kuma a sake gwada su azaman sabon rukunin bututu.
Gwajin Tasiri:
1. Don tubes, za a dauki samfurin samfurori daga kowane kuri'a (sai dai idan an nuna hanyoyin da aka rubuta don biyan bukatun ka'idoji). Idan an daidaita odar a A10 (SR16), gwajin ya zama tilas.
2. Don casing, 3 karfe bututu ya kamata a dauka daga kowane batch don gwaji. Za a zaɓi bututun gwaji ba da gangan ba, kuma hanyar samfurin za ta tabbatar da cewa samfuran da aka bayar za su iya wakiltar farkon da ƙarshen zagayowar yanayin zafi da gaba da baya na hannun riga yayin magani mai zafi.
3. Charpy V-notch tasiri gwajin
4. Komai kafin da kuma bayan gwajin, idan an gano shirye-shiryen samfurin yana da lahani ko kuma akwai rashin kayan da ba su dace da manufar gwajin ba, za a iya cire samfurin kuma a maye gurbinsu da wani samfurin da aka yi daga wannan bututu. Bai kamata a ce samfuran suna da lahani kawai saboda ba su cika mafi ƙarancin buƙatun makamashi ba.
5. Idan sakamakon fiye da ɗaya samfurin ya kasance ƙasa da mafi ƙarancin abin da ake buƙata na makamashi, ko kuma sakamakon samfurin ɗaya ya kasance ƙasa da 2/3 na ƙayyadaddun ƙarancin abin da ake buƙata na makamashi, za a ɗauki ƙarin samfurori guda uku daga wannan yanki kuma sake gwadawa. Tasirin makamashin kowane samfurin da aka sake gwadawa zai kasance mafi girma ko daidai da ƙayyadadden ƙayyadadden buƙatun makamashin da ake buƙata.
6. Idan sakamakon wani gwaji bai cika buƙatu ba kuma ba a cika sharuddan sabon gwajin ba, to ana ɗaukar ƙarin samfurori guda uku daga kowane ɗayan guda uku na batch. Idan duk ƙarin sharuɗɗan sun cika buƙatun, rukunin ya cancanci sai wanda ya gaza a farko. Idan ƙarin juzu'in dubawa fiye da ɗaya bai dace da buƙatun ba, masana'anta na iya zaɓar duba ragowar guntun batch ɗin ɗaya bayan ɗaya, ko kuma sake dumama rukunin kuma duba shi a cikin sabon tsari.
7. Idan fiye da ɗaya daga cikin abubuwa uku na farko da ake buƙata don tabbatar da ƙayyadaddun cancantar an ƙi, ba a ba da izinin sake dubawa don tabbatar da cewa bututun ya cancanta ba. Mai sana'anta na iya zaɓar duba ragowar batches ɗin gaba ɗaya, ko kuma sake dumama rukunin kuma duba shi a cikin sabon tsari.
Gwajin Hydrostatic:
1. Kowane bututu za a yi shi da gwajin matsa lamba na hydrostatic na dukan bututu bayan daɗaɗɗen (idan ya dace) da kuma maganin zafi na ƙarshe (idan ya dace), kuma zai kai ga ƙayyadadden matsa lamba na hydrostatic ba tare da yabo ba. Lokacin riƙe matsi na gwaji ya kasance ƙasa da 5s. Don bututun da aka haɗa, za a bincika waldawar bututun don ɗigogi a ƙarƙashin matsin gwaji. Sai dai idan an yi gwajin duka aƙalla a gaba a matsa lamba da ake buƙata don yanayin ƙarshen bututu na ƙarshe, masana'antar sarrafa zaren yakamata ta yi gwajin hydrostatic (ko shirya irin wannan gwajin) akan bututun duka.
2. Bututun da za a yi zafi da zafi dole ne a yi gwajin hydrostatic bayan maganin zafi na ƙarshe. Matsalolin gwaji na duk bututu tare da zaren zaren za su kasance aƙalla gwajin gwajin zaren da haɗin kai.
3 .Bayan aiki zuwa girman ƙaƙƙarfan bututun da aka gama da kuma duk wani gajeren gajere da aka yi da zafi, za a yi gwajin hydrostatic bayan ƙarshen lebur ko zaren.
Diamita Na Waje:
Rage | Tolerane |
4-1/2 | ± 0.79mm (± 0.031in) |
≥4-1/2 | + 1% OD ~ -0.5% OD |
Don tubing haɗin gwiwa mai kauri tare da ƙarami fiye da ko daidai da 5-1 / 2, abubuwan haƙuri masu zuwa sun shafi diamita na waje na jikin bututu a cikin nisa na kusan 127mm (5.0in) kusa da ɓangaren mai kauri; Haƙuri masu zuwa suna amfani da diamita na waje na bututu a cikin nisa kusan daidai da diamita na bututu nan da nan kusa da yanki mai kauri.
Rage | Hakuri |
≤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) |
05~≤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) |
Don tubing mai kauri na waje tare da girman 2-3 / 8 kuma ya fi girma, masu haƙuri masu zuwa sun shafi diamita na waje na bututun da ke kauri kuma kauri a hankali yana canzawa daga ƙarshen bututun.
Rang | Hakuri |
≥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) |
Kaurin bango:
Ƙayyadadden ƙayyadadden kauri na bango na bututu shine -12.5%
Nauyi:
Teburin mai zuwa shine daidaitattun buƙatun haƙurin nauyi. Lokacin da ƙayyadadden ƙayyadadden kauri na bango ya fi girma ko daidai da 90% na ƙayyadadden kauri na bango, babban iyakar juriyar juzu'in tushen guda ɗaya yakamata a ƙara zuwa + 10%
Yawan | Hakuri |
Guda Guda | + 6.5 ~ -3.5 |
Nauyin Kayan Mota≥18144kg (40000lb) | -1.75% |
Nauyin Mota | 18144kg (40000lb) | -3.5% |
Yawan oda≥18144kg (40000lb) | -1.75% |
Yawan oda | 18144kg (40000lb) | -3.5% |