BS EN 10219-1 yog tus qauv tshwj xeeb uas qhia meej meej npog Kauv Submerged Arc Welded (SSAW) steel kavrau kev siv cov qauv [citation: 1, citation: 3, citation: 5, citation: 6, citation: 7, citation: 8]. Qhov kev sib xyaw ua ke no yog cov khoom lag luam uas muab los ntawm ntau lub tuam txhab thoob ntiaj teb rau kev tsim kho thiab kev tsim vaj tsev uas xav tau kev ntseeg siab, loj - txoj kab uas hla cov qauv hollow seem [citation: 2, citation: 5, citation: 8].
Kev tsim "BS EN 10219-1 Spiral Submerged Arc Pipe" muab cov txheej txheem European tshwj xeeb hollow seem txheej txheem (EN 10219-1) nrog tus nqi- cov txheej txheem kauv vuam zoo (SSAW) los tsim cov kav dej loj loj tsim nyog rau kev thauj khoom 5, kev siv cov khoom siv hauv tsev, thiab cov khoom siv hauv tsev. lus: 8].
📋 Cov Lus Qhia Tseem Ceeb rau BS EN 10219-1 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: 2, citation: 3, citation: 4, citation: 5, citation: 7, citation: 8, citation: 9].
| Yam ntxwv | Kev piav qhia |
|---|---|
| Txuj | TS EN 10219-1: "Cold form welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery conditions" [citation:3, citation:7, citation:8]. |
| Scope | Qhia meej txog qhov yuav tsum tau ua rau txias-tsim welded structural hollow seem (cim, square, thiab rectangular) siv nyob rau hauv kev tsim kho thiab engineering lug. Nws siv rau cov raj uas tsim los ntawm kev sib sau txias thiab vuam, uas yog cov txheej txheem raug rau cov kav welded kav. |
| Common Steel Qib | S235 JRH: Yam tsawg kawg nkaus yield zog 235 MPa, cuam tshuam kuaj ntawm 0℃[citation:3, citation:8]. S275 YOG: Yam tsawg kawg nkaus yield zog 275 MPa, cuam tshuam kuaj ntawm 0℃[citation:2, citation:3]. S275J2H: Yam tsawg kawg nkaus yield zog 275 MPa, cuam tshuam kuaj ntawm -20℃[citation: 1, citation: 2, citation: 3, citation: 4, citation: 9]. S355JRH: Yam tsawg kawg nkaus yield zog 355 MPa, cuam tshuam kuaj ntawm chav tsev kub (+20℃) [citation:1, citation:4, citation:9]. S355 YOG: Yam tsawg kawg nkaus yield zog 355 MPa, cuam tshuam kuaj ntawm 0℃[citation:2, citation:3]. S355J2H: Yam tsawg kawg nkaus yield zog 355 MPa, cuam tshuam kuaj ntawm -20℃[citation: 1, citation: 3, citation: 4, citation: 9]. |
| Cov nab npawb | S235JRH (1.0039), S275J2H (1.0139), S355J2H (1.0576). |
| 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: 1, citation: 5, citation: 6, citation: 8]. |
| Hom Loj Loj | Sab nraud txoj kab uas hla: 219 mm txog 4064 mm (approx . 8" to 160") [citation:1, citation:4, citation: 5, citation: 7]. Phab ntsa Thickness3.2mm-30mm txheem; mus txog 40 hli muaj [citation: 1, citation: 2, citation: 4, citation: 7]. Ntev3m mus rau 24 m txheem; mus txog 70 m muaj los ntawm kev txiav txim tshwj xeeb [citation: 1, citation: 2, citation: 5, citation: 7]. |
| Cov kauj ruam ntawm kev tsim khoom [citation: 5, citation: 8] | 1. Coil Kev Npaj: High-cov coils zoo ntawm cov uas tsis yog- alloy thiab nplua- cov nplej hlau tau npaj. 2. Kev tsim: Lub kauj yog txuas mus txuas ntxiv - ua rau hauv cov duab cylindrical. 3. Vuam: Ob chav -sab submerged arc vuam (sab hauv thiab sab nraud) tsim cov hlua khi. 4. Qhov loj meCov yeeb nkab welded hla dhau los ntawm qhov loj ntawm cov yob kom ua tiav qhov xav tau qhov ntev thiab kam rau ua raws li EN 10219-1. 5. Txias txoj kev: Cov yeeb nkab yuav txias - ua rau cov duab uas xav tau (cim, square, rectangular). 6. Kev soj ntsuam zoo: Tsis yog- kuaj kev puas tsuaj (X-ray, ultrasonic) thiab kuaj hydrostatic raws li xav tau. |
| Common Applications [citation: 1, citation: 2, citation: 5, citation: 8] | Structure engineering: Kem, kab teeb, trusses rau cov tsev thiab chaw ntau pob. Infrastructure tej yaam num: txuas hniav, qhov tob, marine lug [citation:1, citation:5]. Piling foundations: Load-cov kabmob rau kev tsim kho [citation:1, citation:4]. Mechanical moj khaum: Txhawb thiab thav duab rau cov cuab yeej siv khoom lag luam. Cua turbine yees: Loj - txoj kab uas hla kev txhawb nqa . Kev tsim kho kev lag luam: General structural purposes. |
| Cov Kev Ntsuas Tseem Ceeb [citation: 1, citation: 3, citation: 5, citation: 8] | Tshuaj ntsuam xyuas; kev kuaj tensile; flattening xeem; khoov kuaj; Charpy V- ntsuas qhov cuam tshuam (ntawm qhov ntsuas kub ntawm ib qib); kuaj hydrostatic (yeem); tsis yog- kuaj kev puas tsuaj (ultrasonic, X-ray); kev tshuaj xyuas qhov ntev; kev tshuaj xyuas qhov muag. |
| Daim ntawv pov thawj | Mill Test Certificate feem ntau rauEN 10204 Hom 3.1los yog 3.2 [citation: 1, citation: 4, citation: 9]. |
📊 BS EN 10219-1 Qib sib piv
Cov lus hauv qab no sib piv cov qhab nia feem ntau rau cov qauv hollow seem [citation: 2, citation: 3, citation: 8]:
| Qib | Yield zog (min) | Impact Test Temperature | Daim ntawv thov |
|---|---|---|---|
| S235 JRH | 235 MPa rau | 0 degree | Cov qauv dav dav, kev thauj khoom nruab nrab, kev siv sab hauv tsev [citation: 3, citation: 8]. |
| S275 YOG | 275 MPa rau | 0 degree | Sab nraum zoov, huab cua huab cua [citation:2, citation:3]. |
| S275J2H | 275 MPa rau | -20 degree | Cov huab cua txias, zoo dua qis-kub toughness [citation:2, citation:3]. |
| S355JRH | 355 MPa rau | +20 degree | High-cov qauv muaj zog, huab cua nruab nrab [citation:2, citation:3]. |
| S355 YOG | 355 MPa rau | 0 degree | High-cov qauv muaj zog, huab cua txias dua [citation:2, citation:3]. |
| S355J2H | 355 MPa rau | -20 degree | Siab- zog, qis- kev siv kub, xav tau ib puag ncig [citation:2, citation:3]. |
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "EN 10219-1" txhais tau tiasTS EN 10219-1 Cov txheej txheem Europeantxias- ua welded structural hollow seem[qhia: 3, citation: 7, citation: 8]. Nws txhais cov txheej txheem kev xa khoom rau cov raj ua los ntawm cov khoom tsis yog- alloy thiab nplua- cov nplej hlau, npog cov voj voog, square, thiab duab plaub. Tus qauv yog tshwj xeeb raukev siv cov qauv, tsis yog rau lub hom phiaj siab (uas yog them los ntawm EN 10217 series) [citation: 3, citation: 7].
Txias-Formed vs. Kub-Tiav lawmTS EN 10219-1 tshwj xeeb npogtxias - tsimhollow seem (tsim los ntawm txias txias, xws li kauv vuam), thaum kub - tiav cov qauv hollow seem yog them los ntawmTS EN 10210-1 .
Qib Qib System: Cov qib steel ua raws li cov qauv kev xav tau:
S: Cov qauv hlau
Tus lej: Yam tsawg kawg nkaus tawm lub zog hauv MPa (235, 275, 355)
J, K: Impact test requirements (J=standard impact, K=high impact)
R, 0, 2: Impact test kub (R=+20 }℃, 0=0℃, 2=-20℃)
HTshooj: Hollow seem ua raws li EN 10219
SSAW Qhov zoo rau kev siv cov qauvCov txheej txheem kauv vuam muab cov txiaj ntsig tshwj xeeb rau EN 10219-1 cov kav dej [citation: 5, citation: 8]:
Loj Loj Muaj peev xwm: Muaj peev xwm tsim cov kav dej mus txog 160 "txoj kab uas hla, zoo tagnrho rau cov haujlwm loj [citation: 1, citation: 4, citation: 7]
Nqi Efficiency: Kev lag luam ntau dua li qhov ntev SAW (LSAW) lossis seamless rau cov kab uas loj heev [citation: 5, citation: 8]
Ntev ntev: Txog li 70m ntev txo cov kev xav tau ntawm kev sib tshuam [citation: 1, citation: 2]
Txoj kab uas hla Flexibility: Tib steel kauj tuaj yeem tsim ntau txoj kab uas hla los ntawm kev kho lub kaum sab xis
Kev Xav Tau ZooTS EN 10219-1 Kev Nyab Xeeb Kev Nyab Xeeb Kev Nyab Xeeb Kev Nyab Xeeb Kev Nyab Xeeb Kev Nyab Xeeb Kev Nyab Xeeb
Tshuaj ntsuam xyuasrau cua sov
Kev ntsuas tensilelos xyuas qhov tawm los thiab lub zog tensile
Kev sim cuam tshuamntawm qhov ntsuas kub (nyob ntawm qib tom qab)
Dimensional kam rau uaRaws li EN 10219-2
Kev tshuaj xyuas qhov muagntawm qhov chaw thiab welds
Tsis yog -kev kuaj kev puas tsuajtej zaum yuav raug teev raws li kev xav tau ntxiv
Cov txheej txheem tsim khoom rau BS EN 10219-1 SSAW Yeeb Nkab
Cov txheej txheem tsim khoom ua raws li cov txheej txheem SSAW ntau lawm nrog kev tswj xyuas zoo tsim nyog rau kev siv cov qauv [citation: 5, citation: 8]:
| Kauj ruam | Kev piav qhia |
|---|---|
| 1. Kev npaj cov khoom nyoos | Kub-rolled steel coils ntsib EN 10219-1 chemistry yuav tsum tau (tsis yog-alloy lossis fine-grain steels) yog leveled thiab tshuaj xyuas . |
| 2. Ntug Milling | Cov npoo npoo yog qhov tseeb-milled los tsim qhov tseeb bevel geometry rau vuam . |
| 3. Kauv sib sau | Lub kauj yog txuas ntxiv tsim rau hauv cov duab cylindrical ntawm lub kaum ntse ntse tshwj xeeb [citation: 5, citation: 8]. |
| 4. Submerged Arc Vuam | Muab ob npaug rau-sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam nrog ua tiav kev nkag mus [citation:5, citation:8]. |
| 5. Qhov loj me | Cov yeeb nkab welded dhau los ntawm sizing yob kom ua tau raws qhov xav tau qhov ntev thiab kam rau ua raws li EN 10219-1 . |
| 6. Kev soj ntsuam zoo | Tsis yog-kev kuaj kev puas tsuaj (ultrasonic, X-ray) raws li xav tau; kev tshuaj xyuas qhov muag; kev txheeb xyuas qhov seem. |
| 7. Kev kuaj xyuas tshuab | Kev ntsuam xyuas tensile, kev ntsuam xyuas flattening, kuaj khoov, thiab Charpy impact tests (ib qib) xyuas cov khoom [citation: 1, citation: 4, citation: 9]. |
| 8. Kev ua tiav tiav | Qhov xaus yog npaj (dawb lossis beveled) raws li xav tau. |
📏 Dimensional Tolerances
EN 10219-1 cov ntaub ntawvTS EN 10219-2rau dimensional tolerances. Cov kev kam rau ua rau lub voj voog hollow seem suav nrog [citation: 2, citation: 5, citation: 7]:
| Parameter | Yam Ua Tau Zoo |
|---|---|
| Sab nraud txoj kab uas hla | ± 1% ntawm txoj kab uas hla (nws txawv ntawm qhov loj thiab chav kawm) |
| Phab ntsa Thickness | ± 10% ntawm nominal (rau thickness Tsawg dua los yog sib npaug rau 5 hli); ± 7.5% (rau thickness> 5mm) |
| Kev ncaj | Tsawg dua lossis sib npaug li 0.15% ntawm tag nrho qhov ntev |
| Ntev | +50mm / -0mm (rau qhov ntev ntev) |
🏭 Daim Ntawv Thov Kom Paub meej
TS EN 10219-1 Kauv welded kavyog dav siv nyob rau hauv cov qauv siv [citation: 1, citation: 2, citation: 5, citation: 8]:
| Daim ntawv thov | Kev piav qhia | Hom Qib |
|---|---|---|
| Kev tsim vaj tsev | Kem, kab teeb, trusses rau siab -cov tsev nce siab, chaw ntau pob, chaw ua yeeb yam | S355J2H, S355JRH |
| Bridge Engineering | Cov tswv cuab tseem ceeb, kev txhawb nqa, cov neeg taug kev txuas hniav [citation: 1, citation: 5] | S355J2H, S275J2H |
| Infrastructure Projects | Qhov kev txhawb nqa, khaws cov phab ntsa, cov qauv kev loj | S275JOH, S355JOH |
| Piling Foundations | Load-cov kabmob rau cov tsev thiab cov qauv hauv cov av nyuaj [citation:1, citation:4] | S355J2H, S275J2H |
| Mechanical Engineering | Khoom ntas, conveyor kev txhawb nqa, industrial platforms | S235JRH, S275JRH |
| Lub zog ua haujlwm | Cua turbine yees, hnub ci vaj huam sib luag txhawb nqa | S355J2H, S355JOH |
| Marine Structures | Chaw nres nkoj, wharves, docks (nrog cov txheej tsim nyog) | S355J2H, S275J2H |
Tiag -world project piv txwv: Ib qhov project 2022 hauv Singapore siv3,177 tons ntawm EN 10219-1 S355JR kauv welded kavrau kev tsim kho chaw nres tsheb subway.
💡 Cov ntsiab lus tseem ceeb
Kev sib txawv ntawm EN 10217TS EN 10219-1:kev siv cov qauv, tsis yog lub hom phiaj siab [citation:3, citation:7]. Rau cov ntawv thov siab uas xav tau qhov ntsuas kub siab, sivTS EN 10217-2(electric welded) los yogTS EN 10217-5(submerged arc welded) [citation: 1, citation: 3, citation: 6, citation: 7].
Kev ntsuam xyuas cuam tshuam: Qib suffix qhia txog qhov ntsuas qhov ntsuas kub [citation:2, citation:3, citation:8]:
R: +20℃(eg, S355JRH)
0: 0℃(piv txwv li, S355JOH)
2: -20℃(piv txwv li, S355J2H)
K: Lub zog cuam tshuam ntau dua ntawm qhov ntsuas kub
Cov Lus Qhia Ntxiv: Rau cov ntawv thov tseem ceeb, xav txog kev qhia:
Txhim kho NDT (100% kuaj ultrasonic)
Kev ntsuam xyuas kev siv tshuab ntxiv
Kev kho cua sov tshwj xeeb
Thib peb-kev tshuaj ntsuam xyuas (SGS, BV, Lloyds)
Kev tiv thaiv corrosion[siv: 1, citation: 4, citation: 9]:
Fusion Bond Epoxy (FBE)
3-txheej polyethylene (3PE)
Coal Tar Epoxy
Kub-dip galvanizing
Dub roj los yog kua roj vanish txheej (ib ntus)
Ua kom tiav Specification: Thaum xaj, qhia [citation:5, citation:8]:
TS EN 10219-1 Qib [piv txwv li, S355J2H], SSAW (kauv welded), Loj (OD x WT), Ntev, Xaus Xaus, thiab lwm yam kev xav tau ntxiv
📝 Cov ntsiab lus
TS EN 10219-1 Spiral Submerged Arc Welded kavyog tus qauv xaiv rauloj - txoj kab uas hla structural hollow seemnyob rau hauv European thiab thoob ntiaj teb kev lag luam kev tsim kho [citation: 1, citation: 5, citation: 8]. Cov kav dej no muab cov txheej txheem tsim khoom lag luam SSAW nrog cov kev cai nruj nruj ntawm EN 10219-1 tus qauv qauv, tsim cov kav dej los ntawm219mm txog 4000mm txoj kab uas hlanrog phab ntsa thicknesses mus txog40 mm[npe: 1, citation: 2, citation: 4, citation: 5, citation: 7].
Muaj nyob rau hauv qib los ntawmS235JRH (235 MPa tawm los)rauS355J2H (355 MPa tawm los nrog -20℃cuam tshuam toughness), cov kav dej no tau siv dav raukev tsim vaj tsev, choj engineering, piling foundations, infrastructure tej yaam num, thiab mechanical moj khaum[siv: 1, citation: 2, citation: 5, citation: 8]. Cov txheej txheem spiral vuam ua rau tsim cov yeeb nkab ntev ntev (txog 70m) nrog cov nqi zoo heev, ua rau lawv zoo tagnrho rau cov haujlwm loj [citation: 1, citation: 5, citation: 8].
Thaum qhia meej, xyuas kom koj siv cov qauv ua tiav nrog rau qib uas yuav tsum tau ua (nrog rau qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov tsim nyog), qhov ntev, thiab lwm yam kev ntsuas ntxiv raws li koj daim ntawv thov tshwj xeeb [citation: 5, citation: 8].
