API 5L PSL1 X52 ERW Pipe Technical Specification
API 5L PSL1 X52 ERW (Electric Resistance Welded) yeeb nkab yog nruab nrab - lub zog steel kab yeeb nkab nrog qhov tsawg kawg nkaus lub zog ntawm 52,000 psi, feem ntau siv hauv kev sib kis ntawm cov pa roj carbon monoxide thiab ntau yam kev siv.
Material Qib Txheej txheem cej luam
X52npe aYam tsawg kawg nkaus lub zog ntawm 52,000 psi (359 MPa), muab kev ua kom muaj zog tshaj X42 thiab X46 qib thaum tuav cov weldability zoo thiab formability.
Mechanical Properties Table
| Khoom | Kev xav tau | Sau ntawv |
|---|---|---|
| Yam tsawg kawg nkaus Yield Strength | 52,000 psi (359 MPa) | Kuaj ntawm 0.5% elongation nyob rau hauv load |
| Yam tsawg kawg Tensile Strength | 66,000 psi (455 MPa) | Yuav tsum tshaj tawm lub zog |
| Yield-rau-Tensile Ratio (max) | 0.93 | Ua kom muaj peev xwm deformation txaus |
| Tsawg kawg Elongation | Raws li API 5L Formula | Raws li tensile specimen cross-section |
Chemical Composition Limits (Qhov hnyav tshaj plaws %)
| Element | PSL1 Limit | Technical Rational |
|---|---|---|
| Cov pa roj carbon (C) | 0.26% | Lub hauv paus tseem ceeb ntxiv dag zog |
| Manganese (Mn) | 1.40% | Ua kom muaj zog thiab hardenability |
| Phosphorus (P) | 0.025% | Impurity tswj rau toughness |
| Sulfur (S) | 0.015% | Impurity tswj rau weldability |
| Carbon sib npaug (CE) | Tsawg dua lossis sib npaug li 0.43% | Muab xam: C + Mn / 6 (weldability Performance index) |
Nco tseg: Kev sib xyaw yuav raug hloov kho los ntawm cov chaw tsim khoom kom ua tiav cov khoom siv kho tshuab uas xav tau.
Manufacturing & Dimensional Range
Txheej txheem ntau lawm:
Chev Kev Npaj → Uncoiling & Flattening → Ntug Milling → Forming → HF / ER Vuam → Weld Trimming → Sizing → Txiav → Test → Inspection
| Dimension | Standard Range | Tolerances (Tswj) |
|---|---|---|
| Sab nraud txoj kab uas hla | 1/2 "mus rau 24" (12.7-610mm) | ± 0.75% ntawm OD |
| Phab ntsa Thickness | Teem caij 10 txog XXS | ± 12.5% ntawm nominal phab ntsa |
| Ntev | SRL: 18-22 ft, DRL: 38-45 ft | +12 hli / -0 mm |
| Nyhav ib ko taw | Nws txawv nrog OD thiab phab ntsa | ± 5% ntawm qhov hnyav theoretical |
Electric Resistance Vuam Parameters
| Txheej Txheem Parameter | Hom kab mob | Qhov tseem ceeb |
|---|---|---|
| Vuam zaus | 100-450 kHz | Cov zaus ntau dua=qhov chaw sov dua |
| Vuam ceev | 20-60m / min | Muaj feem xyuam rau kev tsim khoom thiab weld zoo |
| Squeeze Force | Tswj ib txoj kab uas hla | Xyuas kom zoo forge welding |
| Weld Trim Tshem Tawm | Sab hauv & Sab Nraud | Qhov tseem ceeb rau corrosion kuj |
Standard Test & Inspection (PSL1)
| Qeb xeem | Method/Standard | Ntau zaus | Kev lees txais |
|---|---|---|---|
| Hydrostatic Test | API 5L 9.5 | 100% ntawm cov kav dej | Tsis muaj qhov xau ntawm qhov ntsuas siab |
| Weld NDE | Eddy Current lossis Ultrasonic | Tag nrho ntev txuas ntxiv | Tsis muaj qhov qhia tsis lees paub |
| Tensile Test | ASTM A 370 Cov Lus Qhia Tshwj Xeeb | 2 rau qhov cua sov, 1 rau qhov loj | Ntsib min. tawm los & tensile |
| Hardness Test | Yeem xaiv rau ib qho kev txiav txim | Qauv hauv paus | Feem ntau BHN Tsawg dua lossis sib npaug rau 190 |
| Visual & Dimensional | API 5L 10 | 100% pom, qauv seem | Tsis muaj kev puas tsuaj |
Comparative Properties: X42 vs X52
| Khoom | X52 vs X 42 |
|---|---|
| Yield zog | +24% siab dua |
| Siab Muaj Peev Xwm | +24% siab dua (ntawm tib phab ntsa tuab) |
| Muaj peev xwm txo tau phab ntsa | Thinner phab ntsa ua tau rau tib lub siab |
| Tus nqi khoom siv | Feem ntau 5-10% siab dua |
| Weldability | Txo me ntsis vim muaj zog dua |
Cov ntawv thov siv
Natural Gas Distribution Networks
Crude Roj Sib Sau & Kev Sib Txuas Kab
Dej nyab & Txhaj tshuaj Systems
Industrial Cog Piping
Tus qauv Piling & Foundation Support
Mining & Slurry Tsheb thauj mus los
Kev txiav txim siab tsim
Qhov zoo:
Qhov zoo tshaj plaws lub zog-rau- tus nqi piv rau ntau daim ntawv thov
Zoo sib npaug ntawm lub zog thiab weldability
Muaj nyob rau hauv ntau qhov ntau thiab tsawg
Haum rau kev pabcuam qaub nruab nrab nrog kev tswj kom zoo
Kev txwv:
Tsis pom zoo rau Arctic/low-kev pabcuam kub yam tsis muaj kev sim
PSL1 tsis muaj qhov yuav tsum tau ua rau Charpy cuam tshuam
Qhov siab tshaj plaws ua haujlwm kub feem ntau txwv rau 400℃F (204 degree)
Companion Specifications:Feem ntau muab los ua kom tau raws li API 5L X52 thiab ASTM A53 Qib B uas yuav tsum tau ua rau ob daim ntawv pov thawj.
Ordering Information
Thaum xaj API 5L PSL1 X52 ERW yeeb nkab, qhia meej:
Sab nraud txoj kab uas hla thiab phab ntsa thickness (los yog teem caij)
Qhov yuav tsum tau muaj ntev (SRL, DRL, lossis qhov ntev)
End finish (plain, beveled, threaded)
Kev tiv thaiv txheej txheem
Cov kev cai xeem ntxiv (yog tias muaj)
Siv tau ntxiv specifications
