API 5L X65 PSL2 Seamless Yeeb Nkab
API 5L X65 PSL2 Seamless Yeeb Nkabyog lub siab -kev ua tau zoo carbon steel kab yeeb nkab siv dav hauv kev lag luam roj thiab roj. "X65" qhia txog qhov tsawg kawg nkaus tawm lub zog ntawm65,000 psi (450 MPa), thaum "PSL2" hais txogKhoom Specification Qib 2, uas nqa cov kev xav tau nruj dua rau cov tshuaj muaj pes tsawg leeg, tsis muaj zog toughness, thiab yuav tsum tau kuaj. CovSeamless (SMLS)Cov txheej txheem tsim khoom ua kom tsis muaj qhov ntev ntawm qhov vuam, ua rau nws zoo tagnrho rau siab -siab, siab- kub, thiab corrosive ib puag ncig.
Kev hloov kho rau X65 tuaj yeem txo qhov hnyav ntawm cov raj xa dej thiab cov nqi thauj khoom.Tiv tauj peb rau tus nqi - tsom xam kev ua kom zoo hnub no.
API 5L X65 PSL2Epoxy Coated Yeeb NkabCov lus qhia tshwj xeeb
| Yam khoom | Kev piav qhia |
| Txuj | API Spec 5L (46th Ed. lossis tom qab) / ISO 3183 |
| Qib | X65 / L450 |
| Khoom Specification Level | PSL2 |
| Hom kev tsim khoom | Seamless (SMLS) |
| Sab nraud Diameter (OD) | 1/2 "- 24" (Standard range for Seamless) |
| Phab ntsa Thickness (WT) | SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS, thiab lwm yam. |
| Ntev | Ib qho Random (SRL), Ob Chav Random (DRL), lossis Ntev Ntev |
| Xaus Xaus | Beveled End (BE), Plain End (PE) |
| Daim ntawv thov | Siab -siab gas/roj kis, Subsea pipelines, Sour Service |
Chemical Composition thiab Mechanical Properties
Chemical Composition (Max % rau PSL2 SMLS)
Nco tseg: PSL2 yuav tsum tau txwv Carbon Equivalent (CE) los xyuas kom meej weldability superior.
| Element | Max % (PSL2 X65 SMLS) |
| Cov pa roj carbon (C) | 0.24 |
| Manganese (Mn) | 1.60 |
| Phosphorus (P) | 0.025 |
| Sulfur (S) | 0.015 |
| Silicon (Si) | 0.45 |
| Nb / V / Ti | Tej zaum yuav raug ntxiv (Tag nrho cov lej feem ntau Tsawg dua lossis sib npaug rau 0.15) |
| CEEB | Tsawg dua lossis sib npaug rau 0.25 (Yog C Tsawg dua lossis sib npaug rau 0.12%) |
| CEiiw | Tsawg dua lossis sib npaug rau 0.43 (Yog C> 0.12%) |
Mechanical Properties
PSL2 qhia ob qho tib si yam tsawg kawg nkaus thiab qhov siab tshaj plaws los tiv thaiv cov khoom brittleness.
| Khoom | Ntau yam (PSL2 X65) |
| Yield zog (Min - Max) | 450 MPa (65.3 ksi) - 600 MPa (87.0 ksi) |
| Tensile zog (Min - Max) | 535 MPa (77.6 ksi) - 760 MPa (110.2 ksi) |
| Yield rau Tensile Ratio | Tsawg dua lossis sib npaug li 0.93 |
| Toughness (Charpy V-Notch) | Yuav tsum tau kuaj ntawm 0℃lossis qis dua |
API X65 PSL2 Carbon Steel Phab Ntsa Thickness Table (SMLS)
Cov sij hawm thiab thicknesses nyob rau hauv mm.
| NPS | OD (mm) | SCH 40 (hli) | SCH 80 (hli) | SCH 160 (hli) | SCH XXS (mm) |
| 2" | 60.3 | 3.91 | 5.54 | 8.74 | 11.07 |
| 4" | 114.3 | 6.02 | 8.56 | 13.49 | 17.12 |
| 8" | 219.1 | 8.18 | 12.70 | 23.01 | 22.23 |
| 12" | 323.8 | 10.31 | 17.48 | 33.32 | 25.40 |
| 16" | 406.4 | 12.70 | 21.44 | 40.49 | 31.75 |
API 5L X65 PSL2 Pipe Pressure Rating Table
Kev kwv yees raws li Barlow's Formula (
P=2St/DP=2St/D
) siv qhov tsim Factor ntawm 0.72.
Tus nqi hauv PSI (Kwv yees; rau kev siv nkaus xwb).
| Sab nraud Diameter (OD) | Phab ntsa Thickness (WT) | Kev kwv yees ua haujlwm siab (psi) |
| 4.5 "(114.3mm) | 8.56 hli (SCH 80) | ~ 6,500 psi |
| 8.625 "(219.1mm) | 12.7 hli (SCH 80) | ~ 5,100 psi |
| 12.75 "(323.8mm) | 17.48 hli (SCH 80) | ~ 4,700 psi |
X65 PSL 2Carbon Steel Seamless Yeeb NkabKhoom sib npaug
| Txuj | Qib sib npaug |
| TS EN ISO 3183 | L450 |
| Suav GB/T 9711 | L450 |
| TS EN 10208-2 Cov European Union | L450NB / L450QB |
| Canadian CSA Z245.1 | Qib 448 |
| ASTM | Tsis muaj(Tsis muaj ncaj qha 1: 1 sib npaug hauv siab -lub zog ASTM) |
API 5L Qib X65 PSL2 Yeeb Nkab Txheej Txheej Txheem
Txhawm rau tiv thaiv corrosion, X65 kav feem ntau yog muab nrog cov txheej txheem sab nraud thiab / lossis sab hauv:
3LPE (Peb-Txheej Polyethylene)TS EN ISO 21809-1: DIN 30670, ISO 21809-1 (Feem ntau; kev tiv thaiv zoo tshaj plaws).
3LPP (Peb- Txheej Polypropylene): ISO 21809-1 (Sitable rau qhov kub thiab txias).
FBE (Fusion Bonded Epoxy): AWWA C213, CSA Z245.20 (Superior adhesion and chemical resistance).
Internal Epoxy hauv ob sab phlu: API RP 5L2 (txo kev sib txhuam thiab txhim kho kev khiav hauj lwm zoo).
Pob zeb hnyav txheej (CWC)TS EN ISO 21809-5 (Siv feem ntau rau cov kav dej hauv qab hiav txwv).
Kev xa khoom ntawm API X65 PSL2 Carbon Steel Kab Yeeb
Qhov kev xa khoom (kev kho cua sov) yuav tsum tau teev nyob rau hauv Daim Ntawv Qhia Txog Mill Test (MTR):
N (Normalized / Normalizing Rolled): Refines lub grain qauv kom zoo toughness.
Q (Quenched thiab Tempered): Quenching tom qab tempering. Qhov no yog qhovfeem ntaukev xa khoom rauX65 Seamless yeeb nkab, muab qhov zoo sib npaug ntawm lub zog siab thiab qis -kub toughness.
M (Thermomechanical Rolled): TMCP txheej txheem (feem ntau yog siv rau welded kav zoo li LSAW).
API 5L X65 PSL2 yeeb nkab Hoobkas
API 5L X65 PSL2 Kab Pipe Test Equipment
API 5L X65 PSL2 Roj thiab Roj Pipeline daim ntawv pov thawj
FAQ
PSL2 txhais li cas ntawm cov yeeb nkab?
Nyob rau hauv lub steel yeeb nkab,PSL2sawv rauKhoom Specification Qib 2. Nws yog ib tug classification nyob rau hauv lubAPI 5L(Line Pipe) tus qauv uas qhia tau hais tias muaj kev ua tau zoo dua thiab cov txheej txheem tsim khoom nruj dua piv rau tus qauv PSL1.
X65 yeeb nkab txhais li cas?
x65 cevyog qib siab -lub zog carbon steel kab yeeb nkab uas txhais los ntawmAPI 5L(American Petroleum Institute) specification. Nws yog ib qho ntawm cov khoom siv feem ntau siv rau qhov ntev - nrug, siab - kev thauj mus los ntawm cov roj thiab cov nkev.
Cim npe nrov: api 5l x65 psl2 seamless yeeb nkab, Tuam Tshoj api 5l x65 psl2 seamless yeeb nkab manufacturers, lwm tus neeg, Hoobkas
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