API 5L Daraja BAn samar da bututun ƙarfe daidai da abubuwan da suka dace naAPI 5Lkuma ana amfani dashi sosai a tsarin sufuri na bututun mai a masana'antar mai da iskar gas.
Darasi Bana iya kuma kira shiL245.Siffar ita ce mafi ƙarancin ƙarfin ƙarfin bututun ƙarfe shine245 MPa.
Ana samun bututun layin API 5L a cikin ƙimar ƙayyadaddun samfur guda biyu:PSL1da farko ana amfani da shi a daidaitattun tsarin sufuri, yayin daPSL2ya dace da yanayi mai tsanani tare da ƙarfin injina mafi girma da ƙarin ƙaƙƙarfan matakan gwaji.
Tsarin masana'anta na iya zama mara nauyi (SMLS), juriya na lantarki welded (ERW), ko welded baka (SAW) don dacewa da shigarwa daban-daban da bukatun aiki.
Botop Karfeƙwararriyar ƙwararrun masana'anta ne na bututun ƙarfe mai kauri mai kauri mai kauri mai fuska biyu na arc LSAW bututun ƙarfe da ke cikin Sin.
Wuri: Birnin Cangzhou, lardin Hebei, kasar Sin;
Jimlar Zuba Jari: RMB miliyan 500;
Yankin masana'anta: murabba'in murabba'in 60,000;
Yawan samarwa na shekara: 200,000 ton na bututun ƙarfe na JCOE LSAW;
Kayan aiki: Ƙimar haɓakawa da kayan gwaji;
Musamman: LSAW samar da bututun ƙarfe;
Takaddun shaida: API 5L bokan.
API 5L Rarraba Daraja B
An raba shi zuwa nau'ikan nau'ikan daban-daban dangane da matakan Ƙayyadaddun Samfura daban-daban (PSL) da kuma yanayin isarwa.
Wannan rarrabuwa yana sa zaɓin bututun layin daidai ya fi dacewa don biyan bukatun takamaiman aikin da bukatun yanayin aiki.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Ana amfani da bututun ƙarfe na musamman na PSL 2 don yanayin sabis na musamman.
Yanayin sabis na tsami: BNS;BQS;BMS.
Yanayin sabis na ketare: BNO;BQO;BMO.
Aikace-aikacen da ke buƙatar ƙarfin nau'in filastik mai tsayi: BNP;BQP;BMP.
Yanayin Bayarwa
| PSL | Yanayin Bayarwa | Girman Bututu / Karfe | |
| PSL1 | Kamar yadda aka yi birgima, daidaitawa, birgima, birgima na thermomechanical, ƙirar thermomechanical, daidaitawa kafa, daidaitawa, daidaitawa da fushi; ko, idanyarda, quenched da fushi don SMLS bututu kawai | B | L245 |
| Farashin PSL2 | Kamar yadda aka yi birgima | BR | L245R |
| Daidaita birgima, daidaita tsari, daidaitawa, ko daidaitawa da haɓakawa | BN | L245N | |
| An kashe da fushi | BQ | L245Q | |
| Thermomechanical birgima ko thermomechanical kafa | BM | L245M | |
Yanayin isar da bututun ƙarfe galibi yana nufin maganin zafi ko wasu jiyya da aka gudanar a ƙarshen aikin masana'anta na bututun ƙarfe, kuma waɗannan jiyya suna da tasiri mai mahimmanci akan kaddarorin injiniya, juriya na lalata, da kwanciyar hankali na tsarin. karfe bututu.
API 5L GR.B Tsarin Kera Bututu Karfe
A cikin API 5L daidaitaccen bututun Grade B za a iya samar da shi ta amfani da ɗayan hanyoyin samarwa a cikin tebur mai zuwa.
| API 5L PSL1 Daraja B | SMLS | LFW | HFW | SAW | SAWH | COWL | COWH |
| API 5L PSL2 Darasi B | SMLS | - | HFW | SAW | SAWH | COWL | COWH |
Don neman ƙarin bayani game da ma'anar gajarta Tsarin Ƙirƙira,danna nan.
LSAWshine mafi kyawun mafita don manyan diamita, bututun ƙarfe mai kauri.
Siffar ban mamaki a cikin bayyanar ita ce kasancewar walda a cikin madaidaiciyar shugabanci na bututu.
Nau'in Ƙarshen Bututu
API 5L Grade B nau'in ƙarshen bututun ƙarfe na iya bambanta a PSL1 da PSL2.
PSL 1 Karfe Bututu Karfe
Karshen kararrawa; Ƙarshen haske;Ƙarshen ƙarshen don haɗakarwa ta musamman; Ƙarshen zaren.
Ƙarshen Ƙarshen Ƙarshe: Ƙayyadadden bututu tare da D ≤ 219.1 mm (8.625 in) da t ≤ 3.6 mm (0.141 in) a ƙarshen soket.
Ƙarshen zaren: bututu mai zaren ƙare yana iyakance ga SMLS da bututun welded na tsayi tare da D <508 mm (20 in).
PSL 2 Karfe Bututu Karfe
Ƙarshen haske.
Don ƙarewar bututu mai haske ya kamata a bi buƙatun masu zuwa:
Ƙarshen fuskokin t ≤ 3.2 mm (0.125 in) bututun ƙarshen ƙarshen za a yanke murabba'i.
Za a yi amfani da bututun-ƙarshen ƙarshen da t> 3.2 mm (0.125 in) don waldawa.Matsakaicin kusurwa ya kamata ya zama 30-35 ° kuma nisa na tushen fuskar bevel ya zama 0.8 - 2.4 mm (0.031 - 0.093 in).
API 5L Matsayi B Haɗin Sinadaran
Abubuwan sinadaran PSL1 da PSL2 karfe bututu t> 25.0 mm (0.984 in) za a ƙaddara ta yarjejeniya.
Haɗin Kemikal don PSL 1 Bututu tare da t ≤ 25.0 mm (0.984 in.)
Haɗin Kemikal don PSL 2 Bututu tare da t ≤ 25.0 mm (0.984 in.)
Don samfuran bututun ƙarfe na PSL2 an bincika tare da aCarbon abun ciki na ≤0.12%, carbon daidai CEpcmza a iya lissafta ta amfani da dabara mai zuwa:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Don samfuran bututun ƙarfe na PSL2 an bincika tare da aabun ciki na carbon> 0.12%, carbon daidai CElwza a iya lissafta ta amfani da dabarar da ke ƙasa:
CElw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L Matsayin Kayan Injiniya B
Dukiyar Tensile
PSL1 GR.B Tensile Properties
PSL2 GR.B Tensile Properties
Lura: ƙayyadadden ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun haɓakawa, Afza a ƙayyade ta amfani da ma'auni mai zuwa:
Af= C × (Axc0.2/U0.9)
Cshine 1940 don lissafin amfani da raka'a SI da 625,000 don ƙididdigewa ta amfani da raka'a USC;
Axc shine yanki na yanki na jujjuyawar juzu'i mai ƙarfi, wanda aka bayyana a cikin murabba'in milimita (inci murabba'in), kamar haka:
1) don madauwari na gwajin yanki, 130 mm2(0.20 in.2) don 12.7 mm (0.500 in.) da 8.9 mm (0.350 in.) ƙananan gwajin diamita;mm 652(0.10 in.2) don 6.4 mm (0.250 in.) gwajin gwajin diamita;
2) don cikakkun sassan gwaji guda, ƙananan a) 485 mm2(0.75 in.2) da b) yanki na yanki na yanki na gwajin, T da aka samo ta amfani da ƙayyadaddun diamita na waje da ƙayyadadden kauri na bango na bututu, wanda aka zagaye zuwa 10 mm mafi kusa.2(0.01 in.2);
3) don guntun gwajin tsiri, ƙaramin a) 485 mm2(0.75 in.2) da b) yanki na giciye na yanki na gwajin, wanda aka samo ta amfani da ƙayyadaddun nisa na yanki na gwajin da ƙayyadadden kauri na bango na bututu, wanda aka zagaye zuwa 10 mm mafi kusa.2(0.01 in.2);
Ushine ƙayyadadden ƙayyadaddun ƙarfin ƙarfi, wanda aka bayyana a cikin megapascals (fam a kowace inci murabba'i).
Lanƙwasa Gwajin
Babu wani ɓangare na samfurin da zai tsage kuma walda ba zai tsage ba.
Gwajin Lalacewa
Ba a zartar da bututun ƙarfe na LSAW ba.
Dace daEW, LW, kumaCWmasana'antu iri bututu.
Gwajin lanƙwasawa
Bayyana duk wani tsaga ko tsagewa a cikin ƙarfen walda wanda ya fi tsayi fiye da 3.2 mm (0.125 in), ba tare da la'akari da zurfin ba.
Nuna duk wani tsagewa ko tsagewa a cikin mahaifar karfe, HAZ, ko layin haɗin da ya fi tsayi fiye da 3.2 mm (0.125 in) ko zurfi fiye da 12.5 % na ƙayyadadden kauri na bango.
Gwajin Tasirin CVN don PSL 2 Pipe
CVN (Charpy V-Notch) Gwajin Tasiri, daidaitaccen hanyar gwaji don kimanta taurin kayan lokacin da aka yi saurin tasiri.
Abubuwan buƙatun masu zuwa sun shafi maki ≤ X60 ko L415.
| Abubuwan Buƙatun Makamashi na CVN don Jikin Bututu na PSL 2 Bututu | |
| Ƙayyadaddun Diamita na Waje D mm (in.) | Cikakken Girman CVN Absorbed Energy min Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| 762 (30) zuwa 2134 (84) | 40 (30) |
Gwajin DWT don PSL 2 Welded Pipe
Matsakaicin yanki mai ƙarfi a kowane gwaji zai zama ≥ 85 % a zafin gwajin 0 °C (32 °F).
Don bututu masu kauri na bango> 25.4 mm (1 in.), za a yi shawarwari da buƙatun karɓa don gwajin DWT.
Gwajin Hydrostatic
Lokacin Gwaji
Duk masu girma dabam na bututun ƙarfe marasa ƙarfi da welded tare da D ≤ 457 mm (18 in.):lokacin gwaji ≥ 5s;
Welded karfe bututu D> 457 mm (18 in.):lokacin gwaji ≥ 10s.
Yawan Gwaji
Kowane karfe bututu.
Gwajin gwaji
Matsin gwajin hydrostatic P na abututun ƙarfe na ƙarsheza a iya lissafta ta amfani da dabara.
P = 2St/D
Sshine damuwa na hoop.ƙimar ta yi daidai da ƙayyadadden ƙayyadadden ƙarfin yawan amfanin ƙasa na bututun ƙarfe xa kashi, a MPa (psi);
Don API 5L Grade B, kashi 60% na ma'aunin gwajin gwaji da 70% don matsa lamba na zaɓi.
Don D <88.9 mm (3.500 in.), Ba lallai ba ne cewa gwajin gwajin ya wuce 17.0 MPa (2470 psi);
Don D> 88.9 mm (3.500 in.), ba lallai ba ne cewa gwajin gwajin ya wuce 19.0 MPa (2760 psi).
tshine ƙayyadadden kauri na bango, wanda aka bayyana a cikin millimeters (inci);
Dshine ƙayyadadden diamita na waje, wanda aka bayyana a cikin millimeters (inci).
Binciken mara lalacewa
Don tubes SAW, Hanyoyi biyu,UT(gwajin ultrasonic) koRT(gwajin rediyo), yawanci ana amfani da su.
ET(gwajin lantarki) baya amfani da bututun SAW.
Welded seams a kan welded bututu na maki ≥ L210 / A da diamita ≥ 60.3 mm (2.375 in) za a nondestructively duba ga cikakken kauri da tsawon (100%) kamar yadda kayyade.
Jarabawar UT mara lalacewa
RT gwajin mara lalacewa
Ƙayyade Diamita na Waje da Kaurin bango
Madaidaitan ƙididdiga don ƙayyadaddun diamita na waje da ƙayyadadden kauri na bangon bututun ƙarfe an ba da su a cikiISO 4200kumaSaukewa: ASME B36.10M.
Hakuri Mai Girma
Haƙuri don Diamita da Fitar da Zagaye
An bayyana diamita na bututun ƙarfe azaman kewayen bututun a cikin kowane jirgin dawafi da aka raba ta π.
Haƙuri don Kaurin bango
Haƙuri don Tsawon Lokaci
Kimanin tsayiza a isar da shi a cikin juriya na ± 500 mm (20 in.).
Haƙuri dontsawon bazuwar
| Tsawon Tsawon Random m (ft) | Mafi qarancin Tsawon m (ft) | Matsakaicin Matsakaicin Tsawon kowane Abun oda m (ft) | Matsakaicin Tsayin m (ft) |
| Bututu mai zare-da-haɗe-haɗe | |||
| 6 (20) | 4.88 (16.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 6.71 (22.0) | 10.67 (35.0) | 13.72 (45.0) |
| Bututun Ƙarshe | |||
| 6 (20) | 2.74 (9.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 4.27 (14.0) | 10.67 (35.0) | 13.72 (45.0) |
| 15 (50) | 5.33 (17.5) | 13.35 (43.8) | 16.76 (55.0) |
| 18 (60) | 6.40 (21.0) | 16.00 (52.5) | 19.81 (65.0) |
| 24 (80) | 8.53 (28.0) | 21.34 (70.0) | 25.91 (85.0) |
Hakuri ga Madaidaici
Madaidaicin karkata akandukan tsawon tube: ≤ 0.200 L;
Madaidaicin karkata1.5 m (5.0 ft) bututu ƙarshen bututun ƙarfe: ≤ 3.2mm (0.125 in.).
Hakuri ga Madaidaici
Ƙarshen murabba'in an bayyana shi azaman murabba'i zuwa ƙarshen bututu.
Matsakaicin waje zai kasance <1.6 mm (0.063 in.).Ana auna ma'auni na waje a matsayin rata tsakanin ƙarshen bututu da ƙafar ƙarshen bututu.
Hakuri ga Kabu na Weld
Matsakaicin Halatta Radial Offsetga SAW da bututun SANYA.
| Ƙaunar bangon Ƙayyadaddun t mm (in.) | Matsakaicin Halatta Radial Offsetamm (in.) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| 15.0 (0.590) zuwa 25.0 (0.984) | 0.1t |
| 25.0 (0.984) | 2.5 (0.098) |
| aWaɗannan iyakoki kuma suna aiki ga ƙwanƙwasa ƙarshen walda | |
Matsakaicin Halaccin Halatta Weld Bead Heightna SAW da bututun SANYI (Sai dai a Ƙarshen Ƙarshen Ƙarshe).
| Ƙaunar bangon Ƙayyadaddun mm (in.) | Weld Bead Height mm (in.) maxim | |
| Ciki Bead | Bead na Waje | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| 13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
Weld ɗin zai sami sauƙi mai sauƙi zuwa saman bututun ƙarfe na kusa.
Za a yi ƙasa da ƙullun ƙarshen bututu zuwa tsayin mm 100 (inci 4.0) tare da ragowar weld ɗin ≤ 0.5 mm (0.020 in.).
Haƙuri don Mass
Kowane karfe bututu:
a) don bututun girman haske na musamman: -5.0% - + 10.0%;
b) don bututu a cikin Grade L175, L175P, A25, da A25P: -5.0% - + 10.0%;
c) don duk sauran bututu: -3.5% - + 10.0%.
Bututu a kowace kuri'a(≥ 18 ton (ton 20) don yin oda):
a) don maki L175, L175P, A25, da A25P: -3.5 %;
b) ga duk sauran maki: -1.75 %.
API 5L GR.B Aikace-aikace
API 5L Grade B bututun ƙarfe ne nau'in bututun layi, galibi ana amfani da shi don jigilar ruwa kamar mai, iskar gas, da ruwa, kuma yana ɗaya daga cikin abubuwan da aka saba amfani da su a masana'antar mai da iskar gas.
Tsarin watsa mai da iskar gas: API 5L Grade B bututun ƙarfe ana amfani da shi sosai wajen hako filin mai da iskar gas da wuraren sarrafawa don jigilar ɗanyen mai da iskar gas zuwa tsarin tarawa ko wuraren sarrafawa.
Bututun ruwa: Ana iya amfani da ƙarin jiyya na sama, irin su sutura ko sutura, don inganta juriyar lalata su don amfani da su wajen isar da ruwa, gami da samar da ruwa da tsarin ban ruwa.
Matatun mai: A cikin matatun mai, API 5L Grade B ana amfani da bututun ƙarfe don jigilar sinadarai iri-iri da tsaka-tsaki waɗanda aka samo daga ɓarnawar ɗanyen mai.
Gina da ababen more rayuwa: A cikin masana'antar gine-gine, don gina gadoji, tsarin tallafi, ko wasu muhimman ayyukan samar da ababen more rayuwa, musamman inda ake buƙatar jigilar ruwa mai nisa.
API 5L Darajin B Daidai
Bayani na ASTM A106: Bututun ƙarfe mara ƙarfi na carbon da aka saba amfani da shi don sabis na zafin jiki, tare da abun da ke tattare da sinadarai da kaddarorin injina mai kama da API 5L Grade B. ASTM A106 Grade B ana amfani da su don jigilar tururin ruwa mai zafi, sinadarai, da samfuran mai.
ASTM A53 Babban darajar B: Wannan wani nau'i ne na bututun ƙarfe na carbon, wanda za'a iya waldashi ko maras kyau, kuma ana amfani dashi sosai a aikin injiniya, gini, da sauran aikace-aikacen injiniya.Kodayake ana amfani da shi da farko don ƙananan matsa lamba da aikace-aikacen zafin jiki, wasu sigogin kayan aikin injin sa sun yi kama da API 5L Grade B.
TS EN 10208-2 L245NB: Ana amfani da shi don kera bututun don jigilar iskar gas mai ƙonewa da sauran ruwaye.L245NB (1.0457) karfe ne mai matsakaicin ƙarfi mai ƙarfi tare da kaddarorin inji mai kama da API 5L Grade B.
ISO 3183 L245: Ana amfani da shi a tsarin sufuri na bututu a masana'antar mai da iskar gas.L245 a cikin ISO 3183 yana kusa da kaddarorin API 5L Grade B kuma ana iya amfani dashi sau da yawa.
Ƙarin Ayyuka Za Mu Iya Ba da
Botop Karfeba wai kawai yana samar da bututun ƙarfe mai inganci na API 5L Grade B ba, har ma yana ba ku jerin sabis na tallafi, gami da zaɓin zaɓin rigakafin lalata, keɓaɓɓen mafita na marufi, da cikakken tallafin dabaru don tabbatar da cewa za mu iya saduwa da ku daban-daban. bukatun.
Mun himmatu wajen ƙirƙirar dandamalin samun tasha ɗaya wanda zai ba ku damar samun dama ga duk samfuran da sabis ɗin da kuke buƙata.Tare da ƙwararrun sabis ɗinmu kuma abin dogaro, zaku iya kammala kowane mataki na aikin ku cikin inganci da rashin wahala, tabbatar da inganci da ci gaba.Burin mu shine mu zama amintaccen abokin tarayya.
Rufin Anti-lalata
Botop Karfeyana ba da zaɓin zaɓin kariya na lalata da yawa, gami dafenti, galvanized,3 LPE (HDPE), 3LPP,FBE, da ma'aunin siminti, don biyan buƙatun amfani daban-daban na aikin ku.
marufi
Muna ba da zaɓuɓɓukan marufi iri-iri, gami da bales, tarps, akwatuna, da hulunan bututu, waɗanda za a iya keɓance su don biyan takamaiman bukatunku.
Goyon bayan sana'a
Kamfaninmu ya himmatu wajen samar da cikakkiyar sabis na tallafin fasaha wanda ke rufe dukkan matakan aikin.Daga shirye-shiryen ƙaddamar da shirin zuwa tsakiyar aikin siyan kayayyaki da shirye-shiryen sufuri, don kiyaye aikin bayan aiki da magance matsala, ƙungiyar ƙwararrunmu na iya ba ku shawara da goyan baya na ƙwararru.
Manufarmu ita ce mu taimaka muku siyan kayayyaki masu inganci da araha a cikin Sin, tabbatar da cewa aikinku yana gudana cikin sauƙi da tsada.Muna sa ran yin aiki tare da ku don ƙirƙirar ci gaba mai nasara.
