SY/T 5040 yog cov kev lag luam suav roj thiab roj hluav taws xob tshwj xeeb rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav npaj rau kev siv hauv paus.[siv: 1, citation: 4, citation: 7]. Cov txheej txheem no tswj cov kav dej siv los ua cov khoom thauj -cov kabmob hauv kev tsim kho thiab kev tsim vaj tsev engineering.
Tus qauv tau dhau los ua ntau qhov kev hloov kho, nrog rau qhov kev nthuav dav los ntawm cov kav hlau txuas ncaj qha mus rau lwm txoj kev vuam. Qhov feem ntau tam sim no version yogSY/T 5040-2012, npe"Welded steel kav rau pawg hauv paus"[siv: 1, citation: 4, citation: 7].
📋 Standard Overview
| Yam ntxwv | Kev piav qhia |
|---|---|
| Standard Number | SY/T 5040(Petroleum thiab Natural Gas Industry Standard) [citation:1, citation:4]. |
| Tam sim no Version | SY/T 5040-2012, siv tau los ntawmLub Peb Hlis 1, 2012[siv: 1, citation: 4, citation: 7]. |
| Yav dhau los Versions | SY/T 5040-}2008 (桩用螺旋焊缝钢管), SY/T 5040-2000 (kauv submerged arc-welded steel yeeb nkab), SY/T 5040-1992, [SY/T: 5, SY/T 5, citation: lus: 4]. |
| Full Title | "Welded steel kav rau pawg hauv paus" (桩用焊接钢管) [citation:1, citation:4]. |
| Scope | Qhia meej txog cov kev cai, kev xeem, kev soj ntsuam zaus, txheej, kev tiv thaiv kawg, cim, thiab daim ntawv pov thawj zoo [citation: 1, citation: 4, citation: 9]. |
| Kev siv tau | Haum rau lub hauv paus pawg hauvkev tsim vaj tsev, wharves, txuas hniav, tunnels, thiab marine structures[siv: 1, citation: 7, citation: 9]. |
| Kev tsim khoom | Cov kav dej yuav raug tsim los sivkauv submerged arc vuam (SSAW), longitudinal submerged arc vuam (LSAW), los yog longitudinal hluav taws xob tsis kam vuam (ERW)[siv: 1, citation: 4, citation: 9]. |
🔧 Cov Lus Qhia Tseem Ceeb
| Yam | Qhov xav tau [citation: 1, citation: 5, citation: 7] |
|---|---|
| Raw Khoom | Kub- dov steel sawb lossis phaj, feem ntau ua raws liGB/T 700(carbon steel) los yogGB/T 1591(tsawg- alloy siab- lub zog steel). Lwm cov ntaub ntawv yuav raug siv los ntawm kev pom zoo. |
| Kev tsim | Kauv cov kav dej yog tsim nyob rau hauv chav tsev kub los ntawm kev txuas ntxiv khoov cov hlau sawb mus rau hauv cov duab cylindrical ntawm ib lub kaum ntse ntse tshwj xeeb [citation: 2, citation: 10]. |
| Vuam | Ob chav -sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) rau SSAW kav. |
| Kev Xeem Tsis Muaj Kev Ua Phem (NDT) | Feem ntautsis xav taulos ntawm lub neej ntawd. Yog tias thov los ntawm tus neeg yuav khoom, NDT cov txheej txheem thiab kev lees txais yuav tsum tau teev tseg hauv daim ntawv cog lus [citation: 1, citation: 5]. |
| Kev Ntsuas Hydrostatic | Txhua cov yeeb nkab tau dhau los ntawm kev ntsuas hydrostatic siab los xyuas qhov tseeb [citation: 2, citation: 10]. |
| Xaus Xaus | Qhov kawg yog feem ntau beveled (tus qauv 30℃kaum sab xis, 1.6mm lub ntsej muag lub ntsej muag) thiab npaj rau kev vuam . |
📏 Hom Loj Loj
| Parameter | Ntau yam [citation:1, citation:2, citation:10] |
|---|---|
| Sab nraud txoj kab uas hla | 273.1 hli txog 2032 hli (kwv yees . 10" mus rau 80") - ntau thiab tsawg muaj xws li 406.4mm, 508mm, 610mm, 711mm, 813mm, 914mm, 1016mm, 1219mm, 14229mm, 1622mm Lwm qhov ntau thiab tsawg muaj los ntawm kev pom zoo. |
| Phab ntsa Thickness | 7.0mm txog 25.4mm (tus qauv). Qee cov ntaub ntawv qhia txog 60mm muaj [citation:2, citation:10]. |
| Ntev | Feem ntau 12 meters ib thooj; kev cai ntev muaj los ntawm kev pom zoo. |
| Kev ncaj | Tsawg dua lossis sib npaug li 0.1% ntawm tag nrho qhov ntev. |
⚙️ Cov Qib Khoom
| Qib Hom | Common Qib [citation:1, citation:6, citation:8] |
|---|---|
| Carbon Steel | Q235 series (Q235A, Q235B) - feem ntau siv rau kev siv dav dav |
| Tsawg-Alloy Steel | Q355 series (yav tas los Q345) - lub zog ntau dua rau kev thov kev thov |
| Lwm Txoj Kev Xaiv | Los ntawm kev pom zoo, lwm qib xws li API 5L qib (X42, X46, X52, X60, X65, X70), 20#, 16Mn, thiab cov khoom sib npaug thoob ntiaj teb tuaj yeem muab [citation: 6, citation: 8]. |
🔍 Cov Distinctions tseem ceeb
SY/T 5040-2012 vs. SY/T 5040-2000: Lub xyoo 2012 tau nthuav dav dav. Thaum lub xyoo 2000 version tau hu ua "Spiral submerged arc-welded steel yeeb nkab piles" thiab tsuas yog npog cov kauv vuam, 2012 version (lub npe "Welded steel kav rau pawg hauv paus") tam sim no tso cailongitudinal SAW thiab ERW kavib yam nkaus, ntxiv rau kauv SAW [citation: 1, citation: 4, citation: 9].
NDT Requirement Note: Tsis zoo li cov txheej txheem siab piping (xws li SY/T 5037, API 5L, lossis GB/T 9711), SY/T 5040 puastsis yogmandate NDT ntawm weld seam tshwj tsis yog tshwj xeeb thov los ntawm tus neeg yuav khoom thiab pom zoo hauv daim ntawv cog lus [citation: 1, citation: 5]. Qhov no qhia txog cov kev ua tsis tau zoo sib txawv thiab cov kev xav txog kev nyab xeeb rau cov pawg hauv paus piv rau qhov siab - muaj cov kav dej.
Qhov Tseem Ceeb Daim Ntawv Thov Kev Pom Zoo: SY/T 5040 cov kav dej yog tsim rauaxial thiab dabtsi yog khoov load-cov kabmobRaws li lub hauv paus ntsiab lus, tsis yog rau kev tswj hwm sab hauv. Cov khoom siv kho tshuab tsom rau lub peev xwm thauj khoom ntau dua li kev khaws cia [citation: 1, citation: 7, citation: 10].
🏭 Common Applications
SY/T 5040 kauv welded kav yog dav siv rau [citation: 1, citation: 7, citation: 9, citation: 10]:
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Lub Hauv Paus Tsev | Sib sib zog nqus hauv paus pawg rau siab -cov tsev nce siab thiab cov qauv kev lag luam |
| Kev tsim kho choj | Pier thiab abutment foundations, load-cov kabmob txhawb nqa |
| Marine Structures | Wharves, docks, piers, seawalls, offshore platforms |
| Infrastructure Projects | Qhov kev txhawb nqa, khaws cov phab ntsa, txoj kab nqes stabilization |
| Tej hauj lwm ib ntus | Shoring thiab excavation txhawb |
💡 Summary
SY/T 5040 kauv submerged arc welded kavyog tsim tshwj xeeb raukev siv lub hauv paus pilinghauv kev tsim kho thiab engineering engineering [citation: 1, citation: 7, citation: 10]. Tam sim noSY/T 5040-2012tus qauv tso cai tsim los ntawm kauv SAW, longitudinal SAW, lossis ERW cov txheej txheem, siv carbon steel (Q235) lossis qis- alloy steel (Q355) qib [citation:1, citation:4]. Cov kav dej no yog tsim nyob rau hauv txoj kab uas hla ntawm 273mm mus rau ntau tshaj 2000mm nrog phab ntsa thicknesses haum rau load-cov ntaub ntawv bearing. Tsis zoo li cov kav dej siab, SY/T 5040 tsis tas yuav NDT ntawm cov welds tshwj tsis yog tus neeg yuav khoom tau teev tseg [citation: 1, citation: 5]. Cov kav dej no tau siv dav rautsim cov hauv paus, choj piers, marine structures, thiab lwm yam kev tsim kho vaj tseyuav tsum tau txhim khu kev qha load-bearing peev [citation:7, citation:9, citation:10].
