API 5L PSL1 Qib A ERW Steel Yeeb Nkab
Lub ntsiab lus tseem ceeb
API 5L PSL1 Qib A ERW (Electric Resistance Welded) steel yeeb nkabyog qhov nkag -theem carbon steel kab yeeb nkab specification hauv API 5L tus qauv. Nws yog tsim los rau qis - cov ntawv thov kev sib kis ntawm cov kua dej uas tsis tas yuav tsum muaj qib siab zog.
Lub npe lov raws li hauv qab no:
API 5L: American Petroleum Institute specification rau kab yeeb nkab
PSL1: Khoom Specification Qib 1 (tus qauv zoo nrog cov kev cai yooj yim)
Qib A: Qib qis tshaj lub zog hauv API 5L, nrog qhov tsawg kawg nkaus yield zog ntawm30,000 psi (207 MPa)
ERW: Hluav taws xob Resistance Welded - yeeb nkab tsim los ntawm steel kauj thiab welded longitudinally yam tsis muaj muab tub lim
Ntsiab Specifications
| Parameter | Specification |
|---|---|
| Txuj | API 5L (46th Edition, ua raws li ISO 3183) |
| Khoom Specification Level | PSL1 |
| Qib | A (L210 hauv ISO cim) |
| Hom kev tsim khoom | ERW (Electric Resistance Welded) |
| Yam tsawg kawg nkaus Yield Strength | 207 MPa (30,000 psi) |
| Yam tsawg kawg Tensile Strength | 331 MPa (48,000 psi) |
| Qhov Loj (OD) | 21.3mm txog 660mm (1/2 "mus rau 26") |
| Phab ntsa Thickness | 1.0mm txog 17.5mm |
| Ntev | 3 m txog 22 m (5.8 / 6 / 11.8 / 12 m standard, SRL, DRL) |
| Xaus Xaus | Plain xaus, beveled xaus, threaded xaus |
Chemical Composition (PSL1 Qib A)
| Element | Maximum% (Welded yeeb nkab) | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | 0.22% | Tsawg dua Qib B rau kev txhim kho formability |
| Manganese (Mn) | 0.90% | Muab qhov yooj yim zog |
| Phosphorus (P) | 0.030% | Tswj rau weldability |
| Sulfur (S) | 0.030% | Tswj kom toughness |
Lus Cim: Qib A muaj cov ntsiab lus qis tshaj plaws ntawm cov pa roj carbon thiab manganese ntawm API 5L qib, ua rau nws qhov kev xaiv zoo tshaj plaws thiab tsim tau.
Mechanical Properties (PSL1 Qib A)
| Khoom | Yam tsawg kawg nkaus |
|---|---|
| Yield zog | 207 MPa (30,000 psi) |
| Tensile zog | 331 MPa (48,000 psi) |
| Elongation | Ib API 5L rooj (nws txawv ntawm phab ntsa thickness) |
Dimensional Tolerances
| Parameter | Qhov Loj | Ua siab ntev | Qhov chaw |
|---|---|---|---|
| Lub cev OD | 219.1-457 hli | ±0.75% | |
| Lub cev OD | 508-610 hli | ±0.75% | |
| Cov yeeb nkab kawg (219.1-273.1 hli) | - | +1.6 hli / -0.4 hli | |
| Cov yeeb nkab kawg (274-320 mm) | - | +2.4 hli / -0.8 hli | |
| Cov yeeb nkab kawg (323.9-457 mm) | - | +2.4 hli / -0.8 hli | |
| Phab ntsa Thickness | 219.1-457 hli | +15% / -12.5% | |
| Phab ntsa Thickness | 508-610 hli | +17.5% / -12.5% |
Kev Xeem Xeem (PSL1)
| Hom kev xeem | Kev xav tau | Sau ntawv |
|---|---|---|
| Tshuaj ntsuam xyuas | Rau qhov kub ntau | Txheeb xyuas qhov txwv tsis pub muaj |
| Tensile Test | Rau ntau | Txheeb xyuas qhov tawm los thiab lub zog tensile |
| Flattening Test | Yuav tsum tau rau ERW yeeb nkab | Txheeb xyuas ductility |
| Khoov Test | Yuav tsum tau | Verifies weld kev ncaj ncees |
| Hydrostatic Test | Txhua lub yeeb nkab tau kuaj ib tus zuj zus | Kev ntsuas siab ncaj ncees |
| NDT (Ultrasonic / Eddy Tam sim no) | Weld seam soj ntsuam | Txuj kev xyaum |
| Impact Testing (Charpy V-notch) | Tsis xav tau rau PSL1 | Tsuas yog PSL2 yuav tsum tau kuaj qhov cuam tshuam |
Qib sib piv: API 5L PSL1 Qib
| Qib | Yield zog (min) | Tensile zog (min) | Kwv tij muaj zog | Daim ntawv thov |
|---|---|---|---|---|
| A | 207 MPa (30 ksi) | 331 MPa (48 ksi) | Lub hauv paus | Tsawg- dej siab, dej ntws, kev siv dav dav |
| B | 241 MPa (35 ksi) | 414 MPa (60 ksi) | +16% tawm | General pipeline kev pab cuam, feem ntau |
| X42 | 290 MPa (42 ksi) | 414 MPa (60 ksi) | +40% tawm | Nruab nrab -siab kis |
| X52 | 359 MPa (52 ksi) | 455 MPa (66 ksi) | +73% tawm | General kis tau tus mob |
| X60 | 414 MPa (60 ksi) | 517 MPa (75 ksi) | +100% tawm | High -siab kis |
Cov ntawv thov siv
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Tsawg-Cov Kab Dej Siab | Municipal water supply, irrigation systems |
| Cov Dej Dej | Cua daj cua dub ntws, kab dej khib nyiab |
| Tsawg-Npaum Gas Sib Sau | Tsis yog- cov khoom siv hluav taws xob tseem ceeb |
| General Utility Piping | Industrial dej kab, dej txias tshuab |
| Kev siv tus qauv | Fencing, handrails, scaffolding |
| Mechanical Manufacturing | Machinery Cheebtsam, khoom thav duab |
ERW Manufacturing txheej txheem
ERW steel yeeb nkab yog ncaj seam hluav taws xob tiv thaiv welded yeeb nkab uas tsim los ntawm cov txheej txheem txuas ntxiv:
Uncoiling- Steel kauj yog uncoiled thiab leveled
Ntug Kev Npaj- Cov npoo npoo yog milled rau kev vuam zoo
tsim- Steel strip yog txias - ua rau hauv cylindrical zoo
Hluav taws xob induction Vuam- Siab- zaus vuam koom nrog cov npoo yam tsis muaj hlau muab tub lim
Kev kho cua sov- Nruab nrab zaus kev kho cua sov normalizes thaj tsam weld
Qhov loj me- Cov yeeb nkab dhau los ntawm qhov loj me kom ua tiav qhov ntev kawg
NDT- Ultrasonic nrhiav pom ntawm weld seam
Kev Ntsuas Hydrostatic-Txhua cov yeeb nkab ib leeg raug kuaj xyuas kom muaj kev ncaj ncees siab
Xaus Xaus- Xaus npaj (dawb, beveled, los yog threaded)
PSL1 vs. PSL2 Sib piv rau Qib A
| Feature | PSL1 Qib A | PSL2 Qib A | Qhov tseem ceeb |
|---|---|---|---|
| Muaj | Muaj | Tsis muaj(Qib A tsis muaj nyob rau hauv PSL2) | PSL2 pib ntawm Qib B |
| Cov pa roj carbon (C) max | 0.22% | - | - |
| Sulfur (S) max | 0.030% | - | - |
| Yield zog | Yam tsawg kawg nkaus xwb | - | - |
| Kev ntsuam xyuas cuam tshuam | Tsis xav tau | - | - |
| Hom kev siv | Tsawg-siab, tsis yog- tseem ceeb | - | - |
Lus Cim: Raws li API 5L specifications, PSL2 qib npog B txog X80. Qib A tsuas yog muaj nyob hauv PSL1 .
Qhov Zoo Tshaj Plaws
| Qhov zoo | Kev piav qhia |
|---|---|
| Feem ntau Economy | Tus nqi qis tshaj ntawm API 5L qib |
| Zoo heev Formability | Cov ntsiab lus carbon tsawg tso cai rau khoov, flanging, thiab shaping yam tsis muaj cracking |
| Weldability zoo | Tsawg carbon sib npaug ua kom yooj yim welding |
| Dav Muaj | Feem ntau stocked los ntawm manufacturers nyob rau hauv me me mus rau nruab nrab diameters |
| Ductility | Siab elongation ntau dua cov qib siab, haum rau kev sib sau txias |
Kev txiav txim siab tseem ceeb
1. Qib A vs. Qib B Xaiv
Qib A: Xaiv rau qis-siab, tsis yog- daim ntawv thov tseem ceeb uas tus nqi yog thawj tus tsav tsheb
Qib B: Qib feem ntau rau kev pabcuam dav dav; muab 16% siab dua yield zog
2. Kev txwv qhov loj
ERW manufacturing feem ntau txwv rau24-26 nti (610 mm) OD
Cov kab uas loj dua yuav tsum tau LSAW lossis SSAW manufacturing
3. PSL1 vs PSL2
PSL1 Qib A yog qhov tsim nyog rau kev pabcuam dav dav, kab dej, tsis yog- daim ntawv thov tseem ceeb
PSL2 tsis muaj rau Qib A; Cov qib siab dua (B thiab siab dua) yog siv thaum xav tau kev txhim kho ntxiv
4. Qib sib npaug
TS EN ISO 3183: L210
ASTM A53: Qib A (zoo ib yam)
GB/T 9711: L210
5. Txheej txheej xaiv
Dub (dawb): Standard zeb tiav
Varnish/Anti- xeb roj: Kev tiv thaiv ib ntus thaum thauj
FBE (Fusion Bonded Epoxy): Corrosion tiv thaiv rau faus daim ntaub ntawv
3 LPE: Rau cov kav dej faus
Galvanized: Rau kev tiv thaiv corrosion hauv kev siv sab nraum zoov
6. Mill Test Certificate
Feem ntau muab raws liEN 10204 Hom 3.1Bnrog tag nrho cov kev xeem
Thib peb-kev tshuaj ntsuam xyuas (SGS, BV, Lloyds) muaj nyob rau ntawm kev thov
Cov ntsiab lus
API 5L PSL1 Qib A ERW steel yeeb nkabyog qhov nkag - theem kab yeeb nkab specification, sawv cev rau qib qis zog hauv API 5L tsev neeg. Nrog yam tsawg kawg nkaus tawm lub zog ntawm30,000 psi (207 MPa)thiab tensile zog ntawm48,000 psi (331 MPa), nws yog qhov kev xaiv pheej yig tshaj plaws rau qis - cov ntawv thov siab uas tsis tas yuav muaj zog dua .
Cov yam ntxwv tseem ceeb:
Muaj tsuas yog nyob rau hauvPSL1qib zoo (PSL2 tsis muaj rau Qib A)
Tsim los ntawmERW txheej txheem- Qhov ntau thiab tsawg los ntawm 1/2 "mus rau 26" OD
Cov ntsiab lus qis tshaj plaws ntawm API 5L qib - zoo heevformability thiab weldability
Tsis muaj qhov yuav tsum tau kuaj xyuas - haum rau ambient kub daim ntaub ntawv
Tus nqi feem ntau -kev daws teeb meem zoo rau tsis yog- kis tau tus mob tseem ceeb
Cov ntawv thov uas muaj xws li:
Tsawg-kev xa dej siab thiab kev tso dej
Cov kav dej thiab cov kav dej dav dav
Kev siv cov txheej txheem (fencing, handrails, scaffolding)
Mechanical manufacturing Cheebtsam
Thaum ordering, qhia:API 5L PSL1 Qib A ERW steel yeeb nkab, Qhov Loj (OD x WT), Ntev, Xaus Xaus, thiab Txheej Txheem Yuav Tsum Tau. Rau cov ntawv thov uas xav tau lub zog siab dua lossis ua kom zoo dua qub (PSL2), xav txogAPI 5L PSL1 / PSL2 Qib Bhloov.
