API 5L PSL1 Qib B Seamless Steel Kab Yeeb
API 5L PSL1 Qib Byog covfeem ntau dav siv specificationrau seamless steel kab yeeb nkab thoob ntiaj teb. Nws muab qhov zoo tshaj qhov sib npaug ntawm lub zog, tus nqi, thiab muaj rau kev siv cov kav dej dav dav.
Cov yam ntxwv tseem ceeb
| Feature | Kev piav qhia |
|---|---|
| Txuj | API 5L PSL1- theem pib zoo |
| Qib | B(Standard zog - 35 ksi tawm los) |
| Kev tsim khoom | Seamless (SMLS)los yog Welded |
| Kev siv thawj zaug | General pipeline kev thauj mus los |
Mechanical Properties
| Khoom | Kev xav tau |
|---|---|
| Yield zog, min | 35,000 psi (241 MPa) |
| Tensile zog, min | 60,000 psi (414 MPa) |
| Yield/Tensile Ratio | Tsis txwv rau PSL1 |
| Elongation, min | Raws li cov qauv phab ntsa thickness |
Tshuaj muaj pes tsawg leeg
PSL1 Qib B yuav tsum muaj:
| Element | Kev sib xyaw (%) |
|---|---|
| Carbon (C), max | 0.26 |
| Manganese (Mn), max | 1.20 |
| Phosphorus (P), max | 0.030 |
| Sulfur (S), max | 0.030 |
| Ntsiab Lus: | Rau PSL1, chemistry yog cov chaw tsim khoom xaiv |
Vim li cas Qib B yog Tus Qauv
Optimal zog:35 ksi tawm los txaus rau feem ntau daim ntawv thov
Tus nqi -zoo:Tus nqi zoo tshaj rau kev ua haujlwm
Pov thawj Reliability:Ntau xyoo ntawm kev ua tiav cov kav dej
Dav Muaj:Ua los ntawm mills thoob ntiaj teb
Code raws:Ua tau raws li ASME B31.4, B31.8 cov cai
Daim ntawv thov
Roj & Roj Pipelines:
Sib sau cov kab(Oil & Gas teb)
Cov kab sib kis(siab nruab nrab)
Cov kab sib faib(Gas)
Cov khoom siv kav dej(cov khoom ua kom zoo)
Dej & Industrial:
Kev xa dej mains
Slurry pipelines
Txheej txheem kavhauv cov nroj tsuag
Muaj cov khoom siv hluav taws xob
Hom Kev Pabcuam:
Siab:Txog li ~ 1,000 psi (69 bar)
Kub:-20 ° txog 100 ° F (-4 ° F txog 212 ° F)
Media:Crude roj, natural gas, dej, refined khoom
Kev Xeem Xeem (PSL1)
Yuav tsum xeem:
| Kuaj | Kev xav tau | Ntau zaus |
|---|---|---|
| Hydrostatic Test | Txhua lub cev | 100% |
| Tensile Test | Ib qho ntawm 400 kav dej los yog tsawg dua | Batch |
| Kev tshuaj xyuas qhov muag | 100% | Txhua lub raj |
Yeem / Tsis Xav Tau rau PSL1:
Charpy Impact Test
Tee Weight Tear Test
Hardness Test
NDT rau seamless yeeb nkab
Hydrostatic Test Siab:
ntawv nyeem
P=(2 × f × Ymin × t) / D Qhov twg: f=0.80 (tus qauv tsim qauv) Ymin=35,000 psi rau Qib B Yam tsawg kawg nkaus xeem ntev: 5 vib nas this
PSL1 vs PSL2 sib piv
| Kev xav tau | PSL1 Qib B | PSL2 Qib B |
|---|---|---|
| Charpy Impact Test | Tsis xav tau | Yuav tsum tau |
| Qhov siab tshaj plaws | Tsis txwv | 65,000 psi max |
| Carbon sib npaug | Tsis tswj | Txwv tsis pub |
| Chemistry Control | Basic | nruj |
| Nqi | Tus nqi pib | 15-25% siab dua |
| Zoo tshaj rau | Kev nyab xeeb sov, tsis yog - tseem ceeb | Cov huab cua txias, thaj chaw tseem ceeb |
Kev txiav txim siab tsim
Kev ntsuas siab (ASME B31.4 / B31.8):
ntawv nyeem
P=(2 × S × t × F × E × T) / D Qhov twg tus nqi raug: S=35,000 psi (SMYS) F=0.72 (Class 1) txog 0.40 (Class 4) E=1.0 (seamless) T=1.0 (kub derating)
Hom Tsim Kev Nyuaj Siab:
| Code | Daim ntawv thov | % SMYS | Tsim Kev Nyuaj Siab |
|---|---|---|---|
| B31.4 | Cov kav dej ua kua | 72% | 25,200 psi |
| B31.8 | Gas Chav Kawm 1 | 72% | 25,200 psi |
| B31.8 | Gas Chav Kawm 2 | 60% | 21,000 psi |
| B31.8 | Gas Chav Kawm 3 | 50% | 17,500 psi |
Qhov Loj
| Parameter | Hom kab mob |
|---|---|
| Txoj kab uas hla | 2" rau 48" + |
| Phab ntsa Thickness | 0.125 "mus rau 2.000" + |
| Qhov Loj | 4", 6", 8", 10", 12", 16", 20", 24" |
| Ntev | 20-80 ko taw (ib zaug / ob zaug random) |
Ordering Information
Standard Specification:
ntawv nyeem
API 5L PSL1 Qib B Seamless [OD × Phab Ntsa Thickness] [Length] [End Preparation]
Piv txwv Orders:
API 5L PSL1 Gr.B, 12.75" × 0.375" WT, 40' RLM, Plain kawg
API 5L PSL1 Gr.B, 6.625 "× 0.280" WT, 50' DRL, Beveled 30 degree
Sib piv nrog Lwm Cov Qauv
| Txuj | Qhov txawv ntawm API 5L Gr.B |
|---|---|
| ASTM A53 Gr.B | Zoo sib xws lub zog, tab sis A53 yog rau cog piping |
| ASTM A106 Gr.B | Rau siab - qhov kub thiab txias (txog 540 degree) |
| API 5L X42 | Siab zog (42 ksi), microalloyed |
| TS EN ISO 3183 L245 | International sib npaug |
⚠️ Cov kev txwv tseem ceeb
PSL1 txwv:
Tsis muaj kev cuam tshuam kev sim- tsis yog rau qhov kub thiab txias
Tsis muaj kev txwv siab tshaj plaws- muaj peev xwm rau cov khoom tawg yooj yim
Kev tswj chemistry txwv- variable weldability
Tsis yog rau kev pabcuam qaubtsis muaj pov thawj
Thaum Yuav Qhia PSL2 Hloov Chaw:
Qhov kub thiab txias < 0 ° C (32 ° F)
Offshore applications
Siab - qhov tshwm sim
Sour kev pabcuam muaj peev xwm
Tseem ceeb/siab- kev pabcuam siab
Kev ua lag luam
Kev siv Statistics:
~60%ntawm tag nrho cov kab yeeb nkab ntsia thoob ntiaj teb
Standard qibrau onshore pipelines
Kev lag luam feem ntaukev xaiv rau ntau qhov project
Kev lees txais thoob ntiaj tebhauv kev lag luam pipeline
Cov Nqi Them Nqi:
Tus nqi pibrau pipeline steel
Seamless hwm:20-30% dhau ERW
Kev txo nqi ntaumuaj
Cov nqi thauj mus lostseem ceeb rau tej thaj chaw deb
International sib npaug
| Thaj tsam | Standard sib npaug |
|---|---|
| ISO | TS EN ISO 3183 L245 |
| Teb chaws Europe | TS EN 10208-2 L245 |
| Tuam Tshoj | GB/T 9711 L245 |
| Russia | GOST 20295 L245 |
Kev Saib Xyuas & Kev Ncaj Ncees
Hauv -Kev xav txog kev pabcuam:
Kev tiv thaiv corrosionyuav tsum tau (coatings, cathodic tiv thaiv)
Kev tshuaj xyuas tsis tu ncuarau sab nrauv / sab hauv corrosion
Kev ntsuas siabthaum lub sij hawm commissioning / tu
Pipeline markersthiab txoj cai - ntawm - txoj kev tu
Kev Pabcuam Lub Neej Cia Siab:
Zoo-ua kom zoo:30-50 xyoo
Nruab nrab tej yam kev mob:20-30 xyoo
Corrosive ib puag ncig:10-20 xyoo
Yav tom ntej Trends
Kev Txhim Kho Kev Lag Luam:
Ntxiv kev siv PSL2rau tej yaam num tshiab
Cov qib siab dua(X52-X70) tau txais kev sib koom ua lag luam
Seamless yeeb nkabnyiam rau kev taw qhia drilling
Digital traceabilityua qauv
Cov lus pom zoo:
Xav txog PSL2rau tag nrho cov tshiab tseem ceeb pipelines
Ntsuas tag nrho cov nqi ntawm lub neej
Qhia qhov kev xeem ntxivyog tias tej yam kev mob tsis meej
Xav txog yav tom ntej siab ncehauv kev tsim
Hauv cov ntsiab lus: API 5L PSL1 Qib B seamless yeeb nkabyog covtus neeg ua haujlwm ntawm lub raj xa dej kev lag luam, muab kev ntseeg siab, nqi -kev thauj mus los zoo rau roj, roj, thiab dej. Txawm hais tias nws tsis muaj qhov yuav tsum tau ua kom zoo dua ntawm PSL2, nws qhov kev ua tau zoo thiab muaj ntau yam ua rau nwsdefault xaivrau kev siv cov kav dej dav dav hauv cov huab cua nruab nrab. Rau qhov tseem ceeb lossis txias - kev siv huab cua,PSL2 yuav tsum tau teev tsegtxawm tus nqi siab dua.
