TS EN 10217-2 Cov khoom siv dav dav thiab dav siv rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[npe: 1, citation: 2, citation: 3, citation: 5, citation: 6]. Qhov kev sib xyaw ua ke no yog cov khoom lag luam uas muaj los ntawm ntau lub tuam txhab thoob ntiaj teb, tshwj xeeb tsim rauCov ntawv thov siab xav tau cov khoom kub siab[siv: 1, citation: 2, citation: 5].
Lub npe "BS EN 10217-2 Spiral Submerged Arc Pipe" ua tau zoo sib xyaw ua ke ib qho tshwj xeeb European siab cov yeeb nkab txheem (BS EN 10217-2) nrog tus nqi-zoo kauv vuam txheej txheem (SSAW) los tsim cov kav dej loj uas haum rau kev thov kev lag luam [citation: 6], citation:
📋 Cov ntsiab lus tseem ceeb rau BS EN 10217-2 SSAW Yeeb Nkab
Cov lus hauv qab no qhia txog cov ntsiab lus tseem ceeb rau cov khoom no, raws li kev coj ua hauv kev lag luam thiab cov ntaub ntawv tsim khoom [citation: 1, citation: 3, citation: 5, citation: 9].
| Yam ntxwv | Kev piav qhia |
|---|---|
| Txuj | TS EN 10217-2: "Welded steel tubes rau lub hom phiaj siab - Kev xa tawm cov xwm txheej - Ntu 2: Hluav taws xob welded tsis yog- alloy thiab alloy steel tubes nrog qhov ntsuas kub siab" [citation: 1, citation: 10]. |
| Qib Steel | P195GH: Yam tsawg kawg nkaus yield zog 195 MPa, siab kub kev pab cuam [citation: 3, citation: 7, citation: 9]. P235GH: Yam tsawg kawg nkaus yield zog 235 MPa,qib feem ntaurau kev siv siab dav dav [citation:3, citation:9]. P265GH: Yam tsawg kawg nkaus yield zog 265 MPa, siab zog xaiv [citation:3, citation:9]. |
| Cov nab npawb | P195GH (1.0348), P235GH (1.0345), P265GH (1.0425). |
| Kev tsim khoom | Spiral (Helical) Submerged Arc Vuam (SSAW / HSAW): Ua los ntawm kub- dov steel coil, nrog cov vuam seam khiav tsis tu ncua nyob rau hauv ib tug kauv raws cov yeeb nkab ntev. Welded siv ob -sided tsis siv neeg submerged arc vuam [citation:2, citation:5, citation:6]. |
| Hom Loj Loj | Sab nraud txoj kab uas hla: 219mm txog 3620mm (kwv yees . 8" rau 142") [citation:5, citation:6, citation:9]. Phab ntsa Thickness: 4 hli mus rau 32 hli (5-25.4 hli ntau) [citation: 5, citation: 6, citation: 9]. Ntev: 3 m txog 18 m (customizable, mus txog 70 m muaj) [citation: 5, citation: 6]. |
| Cov ntawv thov siv | Cov cuab yeej siv siab: boilers, heat exchangers, siab hlab ntsha [citation:4, citation:5]. Kev xa dej: High-kub kab kab, dej kub, txheej txheem piping [citation:4, citation:6]. Kev lag luam: Fais fab nroj tsuag, tshuaj ua, refineries, koog tsev kawm ntawv cua sov systems [citation:4, citation:6]. |
| Cov Kev Ntsuas Tseem Ceeb | Tshuaj ntsuam xyuasRaws li EN 10217-2 txwv [citation: 3, citation: 9]. Tensile Test: Txheeb xyuas cov txiaj ntsig thiab lub zog tensile [citation:3, citation:9]. Flattening Test: Kos ductility [citation:3, citation:9]. Hydrostatic Test: Txhua cov yeeb nkab tau sim rau siab ncaj ncees [citation:5, citation:7]. Tsis yog -Kev kuaj kev puas tsuaj: Ultrasonic los yog X-ray soj ntsuam ntawm vuam seam (thaum teev) [citation:2, citation:4]. |
🔍 Nkag siab tus qauv: BS EN 10217-2
Lub hom phiaj thiab ScopeTS EN 10217-2 Cov txheej txheem European - Ntu 2: Cov txheej txheem kev xa khoom siv rau cov welded steel rajkev siv siab ntawm qhov kub siab. Nws npog ob qho tib si hluav taws xob welded thiab submerged arc welded (xws li kauv welded) cov hlab ua los ntawm cov tsis yog- alloy thiab alloy steels nrogqhia txog qhov kub thiab txias .
Ntsiab Qib: Tus qauv qhia ntau qib siab, nrog rau feem ntau yog [citation:3, citation:9]:
P195GH: Qib qib siab rau kev thov tsawg dua
P235GH: Feem ntau qhov dav dav - hom phiaj qib siab
P265GH: Kev xaiv lub zog ntau dua rau kev xav tau ntau lub siab xav tau
Lub ntsiab lus "GH" qhia tias cov hlau tsim nyog rau kev pabcuam kub siab.
Qhov kub thiab txiasTS EN 10217-2 Cov kav dej feem ntau tsim nyog rau kev pabcuam kub los ntawm-20℃rau +300 degree(siab dua rau cov qib tshwj xeeb).
Tshuaj muaj pes tsawg leeg: Tus qauv muajtswj nrujntawm sulfur thiab phosphorus (max 0.025-0.020%) kom ntseeg tau zoo weldability thiab ua haujlwm kub siab [citation: 3, citation: 4, citation: 9].
Cov ntaub ntawv zoo: Cov kav dej feem ntau yog muab nrog ib qhoEN 10204 Hom 3.1 kev tshuaj xyuas daim ntawv pov thawj, muab traceability thiab cov ntaub ntawv xeem tau.
📊 Chemical and Mechanical Properties
Cov lus hauv qab no qhia txog cov tshuaj lom neeg thiab cov khoom siv rau cov qib sib xws raws li cov ntaub ntawv tsim khoom [citation: 3, citation: 9]:
| Qib | Chemical Composition (Max%) | Mechanical Properties (min) | |||||
|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Yield zog (MPa) | Tensile zog (MPa) | |
| P195GH | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 | 195 | 320-440 |
| P235GH | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 | 235 | 360-500 |
| P265GH | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 | 265 | 410-570 |
Kev tsim cov txheej txheem rau BS EN 10217-2 SSAW Yeeb Nkab
Raw Khoom: Kub-rolled steel coils ua tau raws li cov kev cai ntawm cov tshuaj raws qib (P195GH, P235GH, P265GH) [citation:2, citation:5].
Uncoiling thiab Leveling: Lub steel kauj yog uncoiled thiab leveled los xyuas kom meej flatness.
Ntug Milling: Cov npoo npoo yog precision-milled los tsim qhov tseeb bevel geometry rau vuam [citation:2, citation:3].
Kauv txoj kev: Lub sawb txuas ntxiv tsim rau hauv cov duab cylindrical ntawm lub kaum ntse ntse tshwj xeeb [citation: 2, citation: 6].
Submerged Arc Vuam: Ob chav -sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) tsim cov hlua khi [citation:2, citation:3].
NDT thiab Hydrostatic Testing: Lub vuam seam raug tshuaj xyuas (feem ntau yog ultrasonic lossis X-ray), thiab txhua lub yeeb nkab tau kuaj xyuas hydrostatic siab [citation: 4, citation: 5].
Ua tiav: Xaus yog npaj (dawb los yog beveled), thiab txhua yam uas yuav tsum tau coatings yog siv.
⚙️ Sib piv nrog Cov Qauv Muaj Cai
| Txuj | Daim ntawv thov | Qhov txawv tseem ceeb |
|---|---|---|
| TS EN 10217-2 | Siab lub hom phiaj nrogelevated kub khoom[Citation: 4, citation: 10] | Qhia txog qhov ua tau zoo ntawm qhov kub thiab txias (GH qib) |
| TS EN 10217-1 | Lub hom phiaj siab ntawm chav tsev kub | Chav ntsuas kub nkaus xwb (TR qib) |
| TS EN 10219-1 | Cov qauv hollow seem [citation: 1, citation: 3] | Tsis yog rau kev siv siab |
| API 5L | Roj thiab roj kis tau tus mob | International pipeline standard, txawv qib kev xaiv [citation:1, citation:3] |
| ASTM A53 | General Piping [Citation: 1, citation: 3] | US tus qauv rau qis - kev pabcuam siab |
💡 Qhov zoo ntawm BS EN 10217-2 SSAW Yeeb Nkab
| Qhov zoo | Kev piav qhia |
|---|---|
| Ua haujlwm kub siab | Tshwj xeeb yog tsim los rau siab -kev pab kub txog li 300℃+ . |
| Cov Khoom Siv Hluav Taws Xob Cov Lus Qhia Ua Raws Cai | Txhawb EU Cov Lus Qhia Cov Khoom Siv Siab (PED 2014/68/EU) cov cai [citation:4, citation:10]. |
| Loj Loj Muaj peev xwm | SSAW txheej txheem ua rau cov kav dej ntau txog 3620mm (142 ") txoj kab uas hla [citation: 6, citation: 9]. |
| Tus nqi -Cov | Kev lag luam ntau dua li seamless lossis LSAW kav rau cov kab loj [citation: 1, citation: 2]. |
| Weldability zoo | Tswj chemistry kom ntseeg tau tias vuam thiab fabrication. |
| Tag nrho Traceability | Muab nrog EN 10204 Hom 3.1 ntawv pov thawj rau kev ua tiav cov ntaub ntawv pov thawj [citation: 5, citation: 9]. |
📝 Cov ntsiab lus tseem ceeb
Part 2 vs Part 5: ThaumTS EN 10217-2npog hluav taws xob welded raj (xws li kauv welded),TS EN 10217-5tshwj xeeb npogsubmerged arc weldedtsis yog- alloy thiab alloy steel tubes nrog cov khoom kub siab [citation:1, citation:4, citation:6]. Ob leeg siv tau rau SSAW kav.
Qeb xeem: Tus txheej txheem yuav teev cov kev xeem sib txawv (piv txwv li, TC1, TC2) nrog rau kev soj ntsuam sib txawv. Xyuas kom koj daim ntawv xaj yuav qhia txog qib kev xeem uas xav tau.
PED Kev Ua Raws Cai: BS EN 10217-2 yog sib haum nrog Cov Khoom Siv Siab Cov Lus Qhia, ua rau nws tsim nyog rau cov cuab yeej siv siab CE hauv Europe [citation: 4, citation: 10].
Ua kom tiav Specification: Thaum txiav txim, qhia meej: BS EN 10217-2, Qib [P195GH/P235GH/P265GH], SSAW, Loj (OD x WT), Ntev, Xaus Xaus, thiab lwm yam kev xav tau ntxiv.
📝 Cov ntsiab lus
TS EN 10217-2 Kauv Submerged Arc Welded kavyog cov qauv kev xaiv rau loj - daim ntawv thov siab siab uas yuav tsum tau ua kom kub siab ua haujlwm hauv European thiab thoob ntiaj teb kev lag luam [citation: 1, citation: 5, citation: 6]. Muaj nyob rau hauv qib P195GH, P235GH (feem ntau), thiab P265GH, cov kav dej no ua ke cov nqi -kev tsim cov txheej txheem SSAW zoo nrog cov kev cai nruj nruj ntawm EN 10217-2 cov khoom siv siab [citation: 5, citation: 6]. Lawv tau siv dav hauvcov chaw tsim hluav taws xob, cov txheej txheem kev lag luam, cov tshuab cua sov hauv cheeb tsam, thiab siab - cov ntaub ntawv siv dej sib kisqhov twg loj diameters thiab siab ncaj ncees yuav tsum [citation:4, citation:6]. Thaum qhia meej, xyuas kom koj siv cov qauv ua tiav nrog rau qib uas yuav tsum tau muaj thiab txhua yam kev xeem ntxiv.
