API 5L iBanga Bumbhobho wentsimbi uveliswa ngokuhambelana neemfuno ezifanelekileyo zeAPI 5Lkwaye isetyenziswa ngokubanzi kwiinkqubo zothutho lwemibhobho kwishishini leoli negesi.
IBanga Bkusenokubhekiselwa kuyo njengeL245.Uphawu kukuba ubuncinci amandla okuvelisa umbhobho wensimbi245 MPa.
Umbhobho womgca we-API 5L ufumaneka kumabakala amabini achaza imveliso:PSL1isetyenziswa ikakhulu kwiinkqubo zothutho ezisemgangathweni, ngelixaPSL2ilungele iimeko ezinzima ngakumbi kunye namandla oomatshini aphezulu kunye nemigangatho yovavanyo engqongqo.
Inkqubo yokuvelisa ayinamthungo (I-SMLS), ukuxhathisa umbane welded (ERW), okanye i-arc entywiliselweyo idityanisiwe (SAW) ukuhambelana neemfuno ezahlukeneyo zofakelo kunye nokusebenza.
Intsimbi yeBotopngumvelisi oqeqeshiweyo wombhobho wentsimbi oshinyeneyo onamacala amakhulu anamacala amabini antywiliselwe arc LSAW ebekwe eTshayina.
Indawo: IsiXeko saseCangzhou, kwiPhondo laseHebei, eTshayina;
Utyalo-mali lulonke: 500 ezigidi RMB;
Indawo yefektri: 60,000 square metres;
Umthamo wonyaka wemveliso: iitoni ezingama-200,000 zemibhobho yentsimbi ye-JCOE LSAW;
Izixhobo: Imveliso ephezulu kunye nezixhobo zokuvavanya;
Ubungcali: Ukuveliswa kombhobho wentsimbi ye-LSAW;
Isiqinisekiso: API 5L eqinisekisiweyo.
API 5L Grade B Classification
Yahlulahlulwe yaziindidi ezininzi ezahlukeneyo ngokusekwe kuManqanaba aBalulekileyo okuCacisa iMveliso (PSL) kunye neemeko zokuhanjiswa.
Olu lwahlulo lwenza ukhetho lombhobho womgca ochanekileyo lufaneleke ngakumbi ukuhlangabezana neemfuno zeprojekthi ethile kunye neemfuno zendawo yokusebenza.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Iityhubhu ezininzi ze-PSL ezikhethekileyo ze-2 zisetyenziselwa iindawo ezikhethekileyo zenkonzo.
Ubume benkonzo emuncu: BNS;BQS;BMS.
Indawo yenkonzo yonxweme: BNO;BQO;BMO.
Izicelo ezifuna umthamo weplastiki yoxinzelelo longitudinal: BNP;BQP;I-BMP.
Imiqathango yokuhanjiswa
| PSL | Unikezelo lwemeko | IBanga lombhobho/iBanga leNsimbi | |
| PSL1 | Njengoko i-rolled, i-normalizing rolled, i-thermomechanical rolled, i-thermomechanical yenziwe, i-normalizing yakha, i-normalized, i-normalized kunye ne- tempered; okanye, ukubakwavunyelwana, kwacinywa kwaye kwavutha umbhobho we-SMLS kuphela | B | L245 |
| PSL 2 | Njengoko-iqengqiwe | BR | L245R |
| I-normalizing rolled, normalizing form, normalized, or normalized and tempered | BN | L245N | |
| Ucinywe kwaye unomsindo | BQ | I-L245Q | |
| I-Thermomechanical rolled okanye i-thermomechanical yenziwe | BM | I-L245M | |
Imeko yokuhanjiswa kombhobho wentsimbi ikakhulu ibhekisa kunyango lobushushu okanye olunye unyango oluqhutywa ekupheleni kwenkqubo yokwenziwa kombhobho wentsimbi, kwaye olu nyango lunempembelelo ebalulekileyo kwiipropati zoomatshini, ukuxhathisa ukubola, kunye nokuzinza kwesakhiwo. umbhobho wentsimbi.
I-API 5L GR.B Inkqubo yokwenziwa kwemibhobho yentsimbi
Kwi-API 5L umgangatho weBanga B umbhobho unokuveliswa ngokusebenzisa enye yeenkqubo zokuvelisa kwitheyibhile elandelayo.
| API 5L PSL1 iBanga B | I-SMLS | LFW | HFW | SAWL | SAWH | INKOMO | COWH |
| API 5L PSL2 iBanga B | I-SMLS | - | HFW | SAWL | SAWH | INKOMO | COWH |
Ukufumana ngakumbi malunga nentsingiselo yesifinyezo seNkqubo yokuVelisa,Cofa apha.
LSAWsesona sisombululo silungileyo kwimibhobho yentsimbi enobubanzi obukhulu, enodonga olungqingqwa.
Isici esahlukileyo kwimbonakalo kubukho be-weld kwi-longitudinal direction of pipe.
Uhlobo lokuphela kombhobho
I-API 5L yeBakala B iintlobo zokuphela kombhobho wentsimbi zinokuhluka kwi-PSL1 kunye ne-PSL2.
PSL 1 Isiphelo sombhobho wentsimbi
Belled end; Isiphelo esicacileyo;Isiphelo esicacileyo sokudibanisa okukhethekileyo; Isiphelo somsonto.
Ukuphela kweBelled: Kukhawulelwe kwiibhubhu kunye ne-D ≤ 219.1 mm (8.625 in) kunye ne-t ≤ 3.6 mm (0.141 in) ekupheleni kwe-socket.
Isiphelo esinemisonto: Umbhobho wesiphelo esinemisonto ukhawulelwe kwi-SMLS kunye nelongitudinal umthungo umbhobho odityanisiweyo one-D <508 mm (20 in).
PSL 2 Steel Pipe End
Isiphelo esicacileyo.
Kwiziphelo zombhobho ongenanto ezi mfuno zilandelayo kufuneka zilandelwe:
Ubuso besiphelo se-t ≤ 3.2 mm (0.125 in) umbhobho wokuphela ocacileyo uya kunqunyulwa isikwere.
Iityhubhu ezipheleleyo ezine-t> 3.2 mm (0.125 in) ziya kugqunywa ukuze zidibanise.I-angle ye-bevel kufuneka ibe yi-30-35 ° kunye nobubanzi bengcambu yobuso be-bevel kufuneka ibe ngu-0.8 - 2.4 mm (0.031 - 0.093 in).
I-API 5L yeBanga B ukuBunjwa kweMichiza
Ukwakhiwa kweekhemikhali ze-PSL1 kunye ne-PSL2 ipayipi yensimbi t> 25.0 mm (0.984 in) iya kugqitywa ngesivumelwano.
Ukuqulunqwa kweMichiza ye-PSL 1 Ipayipi ene-t ≤ 25.0 mm (0.984 in.)
Ukuqulunqwa kweMichiza ye-PSL 2 Ipayipi ene-t ≤ 25.0 mm (0.984 in.)
Kwiimveliso zemibhobho yentsimbi ye-PSL2 ehlalutywe ngeumxholo wekhabhoni ≤0.12%, icarbon elingana CEpcmingabalwa kusetyenziswa le fomula ilandelayo:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Kwiimveliso zemibhobho yentsimbi ye-PSL2 ehlalutywe ngeumxholo wekhabhoni > 0.12%, icarbon elingana CEllwingabalwa kusetyenziswa le fomula ingezantsi:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L Grade B Mechanical Property
Ipropati ye-Tensile
PSL1 GR.B IiPropati zeNgxaki
PSL2 GR.B IiPropati zeTensile
Phawula: Ubuncinane bobude obuchaziweyo, Afiya kuba njengoko kumiselwe kusetyenziswa le equation ilandelayo:
Af= C × (Axc0.2/U0.9)
Cyi 1940 kubalo usebenzisa iiyunithi SI kunye 625,000 ukubala usebenzisa iiyunithi USC;
Axc luvavanyo olusebenzayo lwesiqwenga sovavanyo olunqamlezileyo, olucaciswe ngeemilimitha ezisisikwere (i-intshi ezisikweri), ngolu hlobo lulandelayo:
1) kwiisetyhula zovavanyo lwecandelo elinqamlezayo, i-130 mm2(0.20 nge.2) kwi-12.7 mm (0.500 in.) kunye ne-8.9 mm (0.350 in.) iziqwenga zokuvavanya ububanzi;65 mm2(0.10 nge.2) kwi-6.4 mm (0.250 in.) iziqwenga zokuvavanya ububanzi;
2) kwiziqwenga zovavanyo ezipheleleyo, ngaphantsi kwe-a) 485 mm2(0.75 kwi.2) kunye b) indawo enqamlezileyo yesiqwenga sovavanyo, T ethathwe kusetyenziswa idiamitha yangaphandle echaziweyo kunye nobukhulu bodonga obuchaziweyo bombhobho, ojikelezwe kwi-10 mm ekufutshane.2(0.01 nge.2);
3) kwiziqwenga zovavanyo lwe-strip, encinci ye-a) 485 mm2(0.75 kwi.2) kunye b) indawo enqamlezileyo yesiqwenga sovavanyo, ethathwe kusetyenziswa ububanzi obuchaziweyo beqhekeza lovavanyo kunye nobukhulu bodonga obuchaziweyo bombhobho, ojikelezwe kwi-10 mm ekufutshane.2(0.01 nge.2);
UNgamandla okuqina achaziweyo asezantsi, abonakaliswe ngee-megapascals (iiponti nge-intshi nganye).
Bend Test
Akukho nxalenye yomfanekiso iya kuqhekeka kwaye i-weld ayiyi kuqhekeka.
Uvavanyo lokucaba
Ayisebenzi kumbhobho wentsimbi we-LSAW.
IfanelekileEW, LW, kwayeCWiintlobo zokuvelisa iityhubhu.
Uvavanyo oluKhokelwe-goba
Ukutyhila naziphi na iintanda okanye ukuqhekeka kwintsimbi ye-weld emide kune-3.2 mm (0.125 in), kungakhathaliseki ubunzulu.
Bonisa naziphi na iintanda okanye iintanda kwintsimbi engumzali, i-HAZ, okanye umgca wokudityaniswa obude kune-3.2 mm (0.125 in) okanye ubunzulu obungaphezu kwe-12.5 % yobukhulu bodonga oluchaziweyo.
Uvavanyo lweMpembelelo yeCVN yePSL 2 Umbhobho
I-CVN (i-Charpy V-Notch) Uvavanyo lwempembelelo, indlela yokuvavanya esemgangathweni yokuvavanya ukuqina kwemathiriyeli xa iphantsi kwemithwalo yempembelelo ekhawulezayo.
Ezi mfuno zilandelayo zisebenza kumabakala ≤ X60 okanye L415.
| IiMfuno ze-CVN ezifunxayo zaMandla kuMzimba wePipe we-PSL 2 Umbhobho | |
| I-Diameter yangaphandle ecacisiweyo D mm (ngaphakathi) | Ubungakanani obugcweleyo beCVN Amandla afunxayo imiz Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| ＞762 (30) ukuya ku-2134 (84) | 40 (30) |
Uvavanyo lwe-DWT lwe-PSL 2 Umbhobho odityanisiweyo
Umyinge wendawo yokucheba ngovavanyo ngalunye iya kuba ≥ 85 % kwi-0 °C (32 °F) yovavanyo lobushushu.
Kwiityhubhu ezinobunzima bodonga> 25.4 mm (1 in.), iimfuno zokwamkelwa kovavanyo lwe-DWT ziya kuthethathethwana.
Uvavanyo lweHydrostatic
Ixesha lovavanyo
Zonke iisayizi zeetyhubhu zentsimbi ezingenamthungo nezidityanisiweyo ezine-D ≤ 457 mm (18 in.):ixesha lovavanyo ≥ 5s;
Umbhobho wentsimbi odityanisiweyo D > 457 mm (18 ngaphakathi.):ixesha lovavanyo ≥ 10s.
Vavanya Ukuphindaphinda
Umbhobho ngamnye wentsimbi.
Uvavanyo loxinzelelo
Uxinzelelo lovavanyo lwe-hydrostatic P ye-aumbhobho wentsimbi ocacileyoingabalwa ngokusebenzisa ifomula.
P = 2St/D
Sluxinzelelo lwehupula.ixabiso lilingana nobuncinci obuchaziweyo bamandla emveliso yombhobho wentsimbi xa ipesenti, kwiMPa (psi);
Kwi-API 5L yeBanga B, iipesenti yi-60% yoxinzelelo lovavanyo oluqhelekileyo kunye ne-70% yoxinzelelo lovavanyo olukhethiweyo.
Ku-D <88.9 mm (3.500 in.), akuyimfuneko ukuba uxinzelelo lovavanyo ludlule i-17.0 MPa (2470 psi);
Ku-D> 88.9 mm (3.500 in.), akuyimfuneko ukuba uxinzelelo lovavanyo ludlule i-19.0 MPa (2760 psi).
tubukhulu bodonga obuchaziweyo, bubonakaliswe ngeemilimitha (ii-intshi);
Dyidayamitha yangaphandle echaziweyo, ebonakaliswa ngeemilimitha (ii-intshi).
Uhlolo olungonakaliyo
Kwiityhubhu ze-SAWiindlela ezimbini,UT(uvavanyo lwe-ultrasonic) okanyeRT(uvavanyo lweradiyographic), zidla ngokusetyenziswa.
ET(uvavanyo lwe-electromagnetic) alusebenzi kwiityhubhu ze-SAW.
I-welded seams kwimibhobho edityanisiweyo yamabakala ≥ L210/A kunye needayamitha ≥ 60.3 mm (2.375 in) iya kuhlolwa ngokungenakonakala kubukhulu obupheleleyo kunye nobude (100 %) njengoko kuchaziwe.
Uviwo lwe-UT olungonakalisi
Uviwo lwe-RT olungonakalisi
Cacisa Idayamitha yaNgaphandle kunye nokutyeba kodonga
Amaxabiso asemgangathweni achaziweyo ngaphandle kweedayamitha kunye nobukhulu bodonga obuchaziweyo bombhobho wentsimbi bunikezelwaISO 4200kwayeASME B36.10M.
Ukunyamezelwa kweDimensional
Ukunyamezelwa kweDatamitha kunye nokuphuma ngaphandle kokujikeleza
Ububanzi bombhobho wensimbi buchazwa njengesangqa sombhobho kuyo nayiphi na indiza ejikelezayo eyahlulwe ngo-π.
Ukunyamezela ukutyeba kweDonga
Ukunyamezela Ubude
Ubude obuqikelelweyoiya kusiwa ngaphakathi konyamezelo lwe ±500 mm (20 in.).
Ukunyamezela ngenxaubude random
| Ukutyunjwa koBubude obungahleliweyo m (ft) | Ubuncinane Ubude m (ft) | Ubuncinci boBude obuyi-Avareji kwi-Oda yento nganye m (ft) | Ubude Obuninzi m (ft) |
| Umbhobho odityanisiweyo kunye nodityanisiweyo | |||
| 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) |
| Umbhobho ocacileyo | |||
| 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) |
Ukunyamezelwa kokuthe tye
Ukutenxa ngokuthe tye phezu kweubude bonke bombhobho: ≤ 0.200 L;
Ukutenxa kokuthe tye kwe1.5 m (5.0 ft) ekupheleni kombhobho wentsimbi yombhobho: ≤ 3.2mm (0.125 kwi.).
Ukunyamezelwa kokuthe tye
Ukuphela kwesikwere sichazwa njengesikwere ukuya ekupheleni kombhobho.
I-out-of-squareness iya kuba < 1.6 mm (0.063 in.).I-out-of-squareness ilinganiswa njengesithuba phakathi kokuphela kombhobho kunye nomlenze wokuphela kombhobho.
Ukunyamezela kwi-Weld Seam
Ubungakanani obuvumelekileyo beRadial Offsetye-SAW kunye ne-COW Pipe.
| Ubungqingqwa boDonga obucacisiweyo t mm (ngaphakathi) | Ubungakanani obuvumelekileyo beRadial Offsetamm (ngaphakathi) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| > 15.0 (0.590) ukuya ku-25.0 (0.984) | 0.1t |
| > 25.0 (0.984) | 2.5 (0.098) |
| aLe mida iyasebenza nakwi-strip/plate end welds | |
Ubukhulu obuvumelekileyo be-Weld Bead Heightye-SAW kunye ne-COW Pipe (Ngaphandle kwe-Pipe Ends).
| Ubungqingqwa boDonga obucacisiweyo mm (ngaphakathi) | Weld Bead Height mm (ngaphakathi) umlinganiselo | |
| ILiso langaphakathi | ILiso langaphandle | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| >13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
I-weld iya kuba nenguqu egudileyo kumphezulu wepayipi yensimbi esecaleni.
Iintsimbi zokuphela kombhobho kufuneka zicolwe kubude be-100 mm (4.0 ngaphakathi) kunye nobude obushiyekileyo be-weld ≤ 0.5 mm (0.020 in.).
Ukunyamezelana kwiMisa
Umbhobho ngamnye wentsimbi:
a) kumbhobho okhethekileyo wokukhanya: -5.0% - +10.0%;
b) kumbhobho kwiBanga L175, L175P, A25, kunye ne-A25P: -5.0% - + 10.0%;
c) kuyo yonke eminye imibhobho: -3.5% - +10.0%.
Umbhobho kwiqashiso ngalinye(≥ iitoni ezili-18 (iitoni ezingama-20) kwiqashiso leodolo):
a) kumabakala L175, L175P, A25, kunye ne-A25P: -3.5%;
b) kuwo onke amanye amabanga: -1.75 %.
Izicelo ze-API 5L GR.B
I-API 5L yeBanga B ipayipi yensimbi luhlobo lombhobho womgca, osetyenziselwa ukuthutha ulwelo olufana neoli, igesi yendalo, kunye namanzi, kwaye yenye yezinto ezisetyenziswa ngokuqhelekileyo kwishishini leoli kunye negesi.
Iinkqubo zokuhambisa i-oyile negesi: I-API 5L yeBanga B ipayipi yensimbi isetyenziswa ngokuqhelekileyo kwi-oyile kunye negesi yotsalo kunye neendawo zokucubungula ukuthutha i-oyile ekrwada kunye negesi yendalo kwiinkqubo zokuqokelela okanye izixhobo zokusebenza.
Imibhobho yamanzi: Unyango olongezelelweyo lomphezulu, olufana nezaleko okanye izigqubuthelo, lunokusetyenziswa ukuphucula ukuxhathisa kwazo ekudlekeni ukuze zisetyenziswe ekuhanjisweni kwamanzi, kubandakanywa unikezelo lwamanzi kunye neenkqubo zokunkcenkceshela.
IiRefineries: Kwiindawo zokucoca, i-API 5L yeBanga B ipayipi yensimbi isetyenziselwa ukuthutha iindidi zeekhemikhali kunye neziphakathi ezivela kwi-fractional distillation yeoli ekrwada.
Ukwakhiwa kunye neziseko zophuhliso: Kushishino lokwakha, ukwakha iibhulorho, izakhiwo zenkxaso, okanye ezinye iiprojekthi zeziseko ezingundoqo ezibalulekileyo, ngakumbi apho kufuneka uthutho lomgama omde lolwelo.
API 5L Grade B Equivalent
I-ASTM A106 iBanga B: I-tubing ye-carbon steel seamless ngokuqhelekileyo isetyenziselwa inkonzo ephezulu yokushisa, kunye nokubunjwa kweekhemikhali kunye neempawu zemishini efana kakhulu ne-API 5L yeBanga B. I-ASTM A106 iBanga B isetyenziselwa ukuthutha umphunga wamanzi aphezulu, iikhemikhali, kunye neemveliso zepetroleum.
I-ASTM A53 iBanga B: Olu lolunye uhlobo lwebhobho yensimbi ye-carbon, enokuthi ifakwe i-welded okanye i-seamless, kwaye isetyenziswe ngokubanzi kumatshini, ukwakhiwa, kunye nezinye izicelo zobunjineli.Nangona ngokuyintloko isetyenziselwa uxinzelelo olusezantsi kunye nezicelo zobushushu, ezinye zeeparamitha zepropathi zoomatshini ziyafana ne-API 5L yeBanga B.
EN 10208-2 L245NB: Isetyenziselwa ukwenza imibhobho yokuthutha iigesi ezinokutsha kunye nolunye ulwelo.I-L245NB (1.0457) yintsimbi yombhobho wokuqina ophakathi kunye neempawu zomatshini ezifana ne-API 5L yeBanga B.
ISO 3183 L245: Isetyenziswe kwiinkqubo zothutho lwemibhobho kwishishini leoli kunye negesi.I-L245 kwi-ISO 3183 isondele kakhulu kwiipropati kwi-API 5L yeBanga B kwaye ingasetyenziselwa ngokutshintshisanayo.
Iinkonzo ezongezelelweyo esinokuzibonelela
Intsimbi yeBotopayiboneleli nje kuphela umgangatho ophezulu we-API 5L weBanga B umbhobho wentsimbi, kodwa ikunika uluhlu lweenkonzo ezixhasayo, kubandakanywa uluhlu olubanzi lweendlela zokulwa nokubola, izisombululo zokupakisha zomntu, kunye nenkxaso ebanzi yolungiselelo lokuqinisekisa ukuba sinokuhlangabezana neentlobo zakho ezahlukeneyo. iimfuno.
Sizibophelele ekudaleni indawo yokukhangela indawo enye ekuvumela ukuba ufikelele ngokulula kuzo zonke iimveliso kunye neenkonzo ozifunayo.Ngeenkonzo zethu zobuchwephesha kunye nezithembekileyo, ungagqiba inyathelo ngalinye leprojekthi yakho ngokufanelekileyo kwaye ngaphandle kokuphazamiseka, uqinisekisa umgangatho kunye nenkqubela phambili.Injongo yethu kukuba ube liqabane lakho elithembekileyo.
I-Anti-corrosion Coating
Intsimbi yeBotopinikeza uluhlu olubanzi lweendlela zokukhusela umhlwa, kuqukaipeyintiwe, yenziwe ngegalvanized,3LPE (HDPE), 3LPP,FBE, kunye nezinto ezichasene nesamente, ukuhlangabezana neemfuno ezahlukeneyo zokusetyenziswa kweprojekthi yakho.
ukupakishwa
Sinikezela ngeendlela ezahlukeneyo zokupakisha, kubandakanya iibhali, iitarp, iikhreyithi, kunye neekepusi zombhobho, ezinokuthi zenziwe ngokwezifiso ukuhlangabezana neemfuno zakho ezithile.
Uxhaso lobuchwepheshe
Inkampani yethu izibophelele ekuboneleleni ngeenkonzo zenkxaso yobuchwephesha eziquka zonke izigaba zeprojekthi.Ukusuka kulungiselelo lwethenda yangaphambili ukuya kwiprojekthi yokuthengwa kwempahla kunye namalungiselelo othutho, ukuya kulondolozo lwasemva kweprojekthi kunye nokusombulula ingxaki, iqela lethu leengcali lingakunika iingcebiso kunye nenkxaso yeengcali.
Injongo yethu kukukunceda uthenge iimveliso ezikumgangatho ophezulu kunye nezifikelelekayo eTshayina, siqinisekisa ukuba iprojekthi yakho iqhuba kakuhle kwaye ineendleko ezifanelekileyo.Sijonge phambili ekusebenzeni nawe ukwenza ikamva lokuphumelela.
