BS EN 10025 S355JR Ob chav -Sided Submerged Arc Vuam (DSAW) Hlau Yeeb Nkab
Lub ntsiab lus tseem ceeb
BS EN 10025 S355JR DSAW (Ob chav -Sided Submerged Arc Welded) steel yeeb nkabyog qhov loj - txoj kab uas hla welded yeeb nkab tsim los ntawm steel phaj ua raws li cov khoom siv European tus qauvTS EN 10025-2. Qhov kev xaiv "S355JR" qhia txog qhov tsawg kawg nkaus tawm lub zog ntawm355 MPa (51 ksi)thiab lav Charpy cuam tshuam toughness ntawm27 J ntawm chav tsev kub (+20 degree) .
Ib qho kev sib txawv tseem ceeb:EN 10025 yog cov khoom siv rau kub- dov steel phaj, tsis yog cov qauv yeeb nkab. Cov yeeb nkab DSAW tiav yuav tsum tau teev tseg raws li cov khoom lag luam European cais (feem ntauTS EN 10219rau structural applications).
Lub npe piav qhia
| Ib feem | Lub ntsiab lus |
|---|---|
| BS EN | British Standard tau txais los ntawm European Norm |
| 10025-2 | European tus qauv rau kub- dov cov khoom steel (phaj, ntawv, strips) |
| S355 | Cov qauv hlau nrog qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa |
| JR | Impact test xav tau:27 J ntawm chav tsev kub (+20 degree) |
| DSAW | Muab ob npaug rau-Sided Submerged Arc Vuam - ob qho tib si sab hauv thiab sab nraud yog siv; Lub vuam arc yog submerged hauv granular flux thaum vuam |
European Standards Framework
Lub tswv yim tseem ceeb sib txawv muaj nyob ntawm European (EN) thiab American (ASTM) cov qauv:
| Yam | European System (EN) | American System (ASTM) |
|---|---|---|
| Kev xav | Modular- Cov qauv khoom sib cais los ntawm cov qauv khoom | Kev koom ua ke- Cov qauv yeeb nkab feem ntau muab cov khoom siv thiab cov khoom xav tau |
| Khoom Txheem | TS EN 10025 Cov khoom siv hlau phaj | Nyob rau hauv cov khoom txheem |
| Khoom Txheem | TS EN 10219 Cov yeeb nkab geometry, kam rau ua, vuam zoo) | Nyob rau hauv tib tus qauv |
| Lub npe | Raws li cov khoom muaj zog thiab toughness (piv txwv li, S355JR) | Raws li qib ntawv lossis lub zog tensile |
Yog li ntawd, ib tug ua tiav specification yuav tsum tauob tus qauv:
Khoom TxheemTS EN 10025-2 S355JR (rau steel phaj)
Khoom TxheemTS EN 10219-1/-2 (Cold-formed welded structural hollow seem)
Cov ntsiab lus tseem ceeb
| Yam ntxwv | Kev piav qhia |
|---|---|
| Khoom Txheem | TS EN 10025-2 - Cov khoom siv kub-kuav los tiag ntawm cov qauv hlau |
| Khoom Txheem | TS EN 10219 (txias- tsim cov qauv hollow seem) |
| Qib Steel | S355JR - Yam tsawg kawg nkaus tawm lub zog 355 MPa, 27J cuam tshuam ntawm +20 degree |
| Kev tsim khoom | DSAW (Ob chav -Sided Submerged Arc Vuam) / LSAW (Longitudinal Submerged Arc Vuam) |
| Txoj kev tsim | JCOE(progressive J-C-O forming) los yogUAE(U-ing, O-ing, Expanding) |
| Qhov Loj | 219mm txog 1829mm(8 "mus rau 72") OD - raug rau DSAW |
| Phab ntsa Thickness | 5mm txog 50mm (txog 60mm rau kev siv piling) |
| Ntev | 6 m txog 12.3 m txheem; mus txog 18 m muaj |
Tshuaj muaj pes tsawg leeg (EN 10025-2 S355JR)
| Lub ntsiab | Qhov siab tshaj % | Sau ntawv |
|---|---|---|
| Cov pa roj carbon (C) | 0.20-0.24% | Tsawg carbon rau zoo weldability |
| Silicon (Si) | 0.55% | Deoxidizer |
| Manganese (Mn) | 1.60% | Muab lub zog |
| Phosphorus (P) | 0.035% | Tswj rau weldability |
| Sulfur (S) | 0.035% | Tswj kom toughness |
| Nitrogen (N) | 0.012% | Tswj tau; tag nrho tua steel yuav tsum tau |
Nco tseg: CEV (Carbon Equivalent Value) txwv tsis pub siv rau weldability.
Mechanical Properties (EN 10025-2 S355JR)
| Khoom | Tus nqi | Qhov xwm txheej |
|---|---|---|
| Yield zog (min) | 355 MPa rau | Thickness Tsawg dua los yog sib npaug li 16 hli |
| 345 MPa rau | 16mm | |
| 335 MPa ua | 40mm | |
| 325 MPa rau | 63mm | |
| Tensile zog | 470-630 MPa | Thickness 3-16 hli |
| 510-680 MPa | Thickness Tsawg dua los yog sib npaug li 3 hli | |
| Elongation (min) | 20-22% | Nws txawv ntawm thickness |
| Charpy Impact (JR) | 27 J ntawm +20 degree | Yuav tsum tau rau JR suffix |
S355 Qib Suffixes: Impact Properties
| Lub npe | Impact Test Temperature | Yam tsawg kawg nkaus zog | Daim ntawv thov |
|---|---|---|---|
| S355 JR | +20 degree(chaw kub) | 27 J | Daim ntawv thov kev nyab xeeb sab hauv lossis sov |
| S355J0 | 0 degree | 27 J | Temperate kev nyab xeeb sab nraum zoov qauv |
| S355J2 | -20 degree | 27 J | Cov huab cua txias, thov thov |
| S355K2 | -20 degree | 40 J | Cov ntawv thov tseem ceeb yuav tsum muaj zog dua |
* Ceeb Toom: Rau EN 10219, qhov raug xaiv rau cov seem hollow suav nrog "H" lus: S355J0H (0 degree), S355J2H (-20 degree), lossis S355K2H (40J ntawm -20 degree).*
Dimensional Specifications
| Parameter | Ntau / Tolerance |
|---|---|
| Sab nraud txoj kab uas hla | 219mm txog 1829mm(8 "mus rau 72") - DSAW ntau yam |
| Phab ntsa Thickness | 5mm txog 50mm (txog 60mm rau piling) |
| Txoj kab uas hla Tolerance | ± 0.75% ntawm OD (tseem ceeb) |
| Phab ntsa Thickness kam rau ua | +15% / -12.5% ntawm nominal (tus qauv) |
| Ntev | 6 m txog 12.3 m txheem; mus txog 18 m muaj |
| Tawm ntawm - ntawm - Roundness | Tsawg dua lossis sib npaug li 1% ntawm OD teev |
Phab ntsa Thickness Muaj los ntawm Diameter (S355JR):
| OD (inch) | OD (mm) | Phab ntsa Thickness Range (mm) |
|---|---|---|
| 16" | 406 | 6.0 - 14.0 |
| 20" | 508 | 6.0 - 16.0 |
| 24" | 610 | 6.0 - 18.0 |
| 30" | 762 | 7.0 - 21.0 |
| 36" | 914 | 8.0 - 24.0 |
| 40" | 1016 | 8.0 - 26.0 |
| 48" | 1219 | 9.0 - 28.0 |
| 56" | 1422 | 10.0 - 29.0 |
| 60" | 1524 | 10.0 - 29.0 |
| 64" | 1626 | 10.0 - 30.0 |
| 72" | 1829 | 10.0 - 30.0 |
DSAW/LSAW Manufacturing Process
Ob chav -Sided Submerged Arc Vuam (DSAW), tseem hu ua Longitudinal Submerged Arc Vuam (LSAW), yog ib qho kev ua haujlwm siab - siv feem ntau rau cov kav hlau loj - txoj kab uas hla:
Txheej txheem piav qhia
Welding arc yog submerged hauv granular fluxThaum vuam, tiv thaiv cov vuam los ntawm atmospheric paug
Ob sab hauv thiab sab nraud welds yuav tsum tau, feem ntau ua tiav hauv cov txheej txheem sib cais
Cov welds cais noj ib feem ntawm lwm yam, ua rau ib tugib leeg siab -zoo weld nugget
Txoj kev tsim
| Txoj kev | Kev piav qhia | Hom kab |
|---|---|---|
| JCOE | Progressive J-C-O cov kauj ruam (J-shape → C-shape → O-shape), nthuav dav tom qab vuam | 406-1626 hli (16 "-64") |
| UAE | Phaj nias rau hauv U-puab, ces O-puab, nthuav dav tom qab vuam | 508-1118 hli (20 "-44") |
Txheej txheem txheej txheem
Phaj xaiv- Hlau daim hlau ntsib EN 10025-2 S355JR cov cai
Ntug Kev Npaj- Ntug yog beveled los tsim V-puab zawj
tsim- Cov ntawv hlau yog tsim rau hauv cov duab cylindrical siv JCOE lossis UOE presses
Tack Vuam- Cov phaj tsim yog tack-welded kom zoo li qub
Ob chav Submerged Arc Vuam- Cov yeeb nkab seam welded rau ob sab hauv thiab sab nrauv
Txias Expansion- Cov yeeb nkab yuav raug nthuav mus txog 1.5% kom ua tiav qhov kawg ntawm OD; Cov txheej txheem no tuaj yeem ua kom muaj zog tawm los
Ultrasonic soj ntsuam- Seam tshuaj xyuas los ntawm kev txuas ntxiv ultrasonic tsis siv neeg qhov tsis pom kev
Hydrostatic Pressure Test-Txhua cov yeeb nkab tau raug kuaj xyuas hydrostatic siab
Ua tiav- Xaus kev, beveling, txheej, thiab kos npe raws li specifications
Kev Ntsuas & Kev Ntsuam Xyuas Cov Cai
| Hom kev xeem | Kev xav tau | Sau ntawv |
|---|---|---|
| Tshuaj ntsuam xyuas | Rau qhov kub ntau | Txheeb xyuas qhov txwv tsis pub muaj nyob hauv EN 10025-2 |
| Tensile Test | Rau ntau | Txheeb xyuas qhov tawm los thiab lub zog tensile |
| Flattening Test | Yuav tsum tau | Txheeb xyuas qhov ductility thiab weld kev ncaj ncees |
| Khoov Test | Yuav tsum tau | Verifies weld kev ncaj ncees |
| Charpy Impact Test | Yuav tsum tau rau JR | 27 J ntawm +20℃– lub ntsiab lus xeem rau JR suffix |
| Hydrostatic Test | Txhua lub raj | Kev ntsuas siab ncaj ncees |
| Ultrasonic soj ntsuam | 100% ntawm weld seam | Nruam tsis siv neeg qhov tsis pom kev |
| X-Ray Inspection | Rau "T" pob qij txha | Qhov twg strip taub qab welds cuam tshuam kauv seams |
| Dimensional soj ntsuam | 100% | Raws li cov khoom txheem tolerances |
| Mill Test Certificate | EN 10204 Hom 3.1B | Muab tag nrho cov kev xeem |
Cov Qauv Khoom Siv rau Cov Yeeb Nkab DSAW tiav
Txij li EN 10025 tsuas yog cov khoom siv, cov yeeb nkab tiav yuav tsum ua raws li cov qauv khoom sib cais:
| Khoom Txheem | Daim ntawv thov | Common Grade Designation |
|---|---|---|
| EN 10219-1/-2 | Txias- ua welded structural hollow seem | S355JRH / S355J0H / S355J2H |
| TS EN 10217 | Welded steel raj rau siab lub hom phiaj | P355GH |
| Project Specification | Loj - txoj kab uas hla kev cai kav (penstocks, pawg) | Hu ncaj qha rau EN 10025 S355JR phaj |
Rau DSAW yeeb nkab raws li EN 10219, qhov raug xaiv rau cov seem hollow suav nrog "H" cov lus:S355J0H(0℃cuam tshuam) los yogS355J2H(-20℃cuam tshuam).
Cov ntawv thov siv
| Daim ntawv thov | Kev piav qhia |
|---|---|
| High-Rise Building Construction | Txhawb cov kab, steel qauv ncej rau skyscrapers thiab cov tsev siab |
| Bridge Engineering | Main beams, structural tswv cuab, loj choj Cheebtsam |
| Offshore Platforms | Marine qauv, roj / roj platforms xav tau lub zog siab |
| Cua Turbine Ntauwd | Loj - txoj kab uas hla kev txhawb nqa rau cov haujlwm ua haujlwm cua |
| Piling Foundations | Load-cov kabmob rau cov qauv hnyav |
| Lub nkoj siab | Lub tank thiab cov nkoj rau cov khoom tsis yog -corrosive fluids (nrog cov qauv tsim nyog) |
| Tsawg-Hloov Fluid Transmission | Dej, roj, thiab roj kav dej |
| Muaj Txheej Txheem Piping | Cov nroj tsuag tshuaj, tsim hluav taws xob, steel mills |
| Infrastructure Projects | Tunnels, tuav phab ntsa, txoj kev loj |
| Hnyav Machinery | Crane booms, excavator Cheebtsam, cov khoom siv ua liaj ua teb |
International Approximations
| Txuj | Qib sib npaug | Sau ntawv |
|---|---|---|
| ASTM | A572 Qib 50 | Zoo sib xws yield zog, txawv tej yam kub yuav tsum tau |
| GB/T 1591 | Q355B / Q355C | Suav sib npaug (Q355 hloov Q345) |
| DIN | St52-3 | Keeb kwm German sib npaug |
| TIAB SA 4360 | Qib 50 | Keeb Kwm British standard (tshem tawm) |
| JIS G3106 | SIB 490 | Japanese txuj |
Qhov Zoo Tshaj Plaws
| Qhov zoo | Kev piav qhia |
|---|---|
| Siab zog | 355 MPa tawm los - kwv yees li 50% siab dua S235 thiab 30% siab dua S275 |
| Weldability zoo heev | Tsawg carbon cov ntsiab lus ua kom zoo teb weldability |
| Guaranteed Toughness | 27 J ntawm +20℃kom ntseeg tau tias kev ua tau zoo ntawm chav tsev kub |
| Loj Loj Muaj peev xwm | DSAW tsim cov kav dej ntawm 8 "mus rau 72" OD - zoo tagnrho rau cov ntawv loj - txoj kab uas hla |
| High Weld Integrity | Ob -sab vuam tsim ib qho siab - zoo weld nugget nrog 100% UT tshuaj xyuas |
| Lub neej ua haujlwm ntev | Nrog rau kev tswj xyuas kom zoo, kev pabcuam lub neej tuaj yeem ncav cuag 80 txog 100 xyoo |
| Daim ntawv pov thawj CE / UKCA | Muaj rau cov khoom tsim kho raws li EU / UK cov cai |
| Kev siv ntau yam | Haum rau cov qauv, piling, siab, thiab qis - cov ntaub ntawv siv dej siab |
Txheej txheej xaiv
BS EN 10025 S355JR DSAW yeeb nkab tuaj yeem muab nrog ntau txheej txheej rau kev tiv thaiv corrosion:
| Txheej hom | Zoo tshaj rau | Cov yam ntxwv tseem ceeb |
|---|---|---|
| 3LPE (3-txheej polyethylene) | faus cov kav dej | Feem ntau; kev tiv thaiv corrosion zoo heev, muaj kev cuam tshuam zoo heev |
| FBE (Fusion Bonded Epoxy) | Roj & roj pipelines | Muaj zog adhesion, tshuaj tiv thaiv |
| Coal Tar Epoxy | Marine ib puag ncig | Heavy-lub luag haujlwm tiv thaiv |
| Varnish / Anti- xeb roj | Kev tiv thaiv ib ntus | Luv -lub sij hawm tiv thaiv corrosion thaum thauj |
| Bitumen txheej | Kev pabcuam faus | Tus nqi -kev tiv thaiv zoo |
| Dub Roj Txheej | Standard zeb tiav | Kev tiv thaiv ib ntus |
Xaus Xaus
Muaj cov kev kho mob kawg suav nrog:
Plain xaus (PE)- txheem rau ntau daim ntawv thov
Beveled xaus (BE)- rau qhov chaw vuam (30℃bevel kaum sab xis)
Xov xaus- rau kev sib txuas tshuab
Kev txiav txim siab tseem ceeb
1. EN 10025 Tsis yog Yeeb Nkab Standard
EN 10025 txhais tau tiassteel phaj nkaus xwb. Cov yeeb nkab tiav yuav tsum tau teev nyob rau hauv ib qho kev sib cais cov khoom.
2. Ua kom tiav Specification yuav tsum tau
Ib daim ntawv xaj tiav yuav tsum qhia meej:
Khoom TxheemTS EN 10025-2 S355JR
Khoom TxheemTS EN 10219-1 (Structure) lossis EN 10217 (siab)
Qhov ntev: OD x WT, Length
Kev tsim khoom: DSAW / LSAW
Xaus Xaus: Plain los yog beveled
Txheej: Raws li xav tau
3. Kev ntsuas qhov ntsuas kub
S355 JR- 27 J ntawm +20℃(chav kub) - haum rau kev siv huab cua hauv tsev lossis sov so
Rau 0℃cuam tshuam cov cai, qhia meejS355J0
Rau -20℃cuam tshuam cov cai, qhia meejS355J2
Rau 40 J ntawm -20 degree, qhia meejS355K2
4. Cov khoom tsim qauv
Rau EN 10219, qhov raug xaiv rau cov seem hollow suav nrog cov lus "H":S355J0H(0 degree) los yogS355J2H(-20 degree).
5. Kev siv siab
Rau lub hom phiaj siab, EN 10217 siv. Lub siab hlab ntsha qib sib npaug yogP355GHhauv qab EN 10217 .
6. Kev txwv loj
DSAW manufacturing rau S355JR feem ntau muaj los ntawm8" rau 72" OD
Cov kab me me (hauv qab 8 ") feem ntau yog tsim los ntawm ERW los yog seamless txoj kev
7. Txias-Formed vs. Kub-Tiav lawm
EN 10219 tshwj xeeb npogtxias - tsimhollow seem
Kub-Tiav cov qauv hollow seem yog them los ntawmTS EN 10210
8. Weld Zoo
DSAW produces aib leeg siab -zoo weld nuggetlos ntawm kev sib xyaw ua ke ntawm sab hauv thiab sab nraud welds
100% ultrasonic soj ntsuam ntawm vuam seam yog tus qauv xyaum
9. Thib peb-Kev soj ntsuam tog
Muaj cov kev pabcuam tshuaj xyuas suav nrog SGS, BV, Lloyds
10. Mill Test Certificate
Feem ntau muab raws liEN 10204 Hom 3.1Bnrog tag nrho cov kev xeem
Thib peb-kev tshuaj ntsuam xyuas muaj nyob rau thaum thov
Cov ntsiab lus
BS EN 10025 S355JR Ob chav -Sided Submerged Arc Welded (DSAW) steel yeeb nkabyog tus hwm zoo siab - cov khoom muaj zog rau cov khoom loj - txoj kab uas hla cov qauv siv raws li European lub hauv paus. Nrog yam tsawg kawg nkaus tawm lub zog ntawm355 MPa (51 ksi)- kwv yees li 50% siab dua S235 thiab 30% siab dua S275 - thiab lav Charpy cuam tshuam toughness ntawm27 J ntawm chav tsev kub (+20 degree), cov khoom siv no muaj qhov sib npaug zoo ntawm lub zog, weldability, thiab tus nqi -kev ua tau zoo rau ntau yam kev thov.
Cov yam ntxwv tseem ceeb:
Khoom txheemTS EN 10025-2 S355JR
Cov khoom txheemTS EN 10219-1 /-2 (Structure) lossis EN 10217 (siab)
DSAW manufacturingtsim cov kav dej los ntawm8" rau 72" ODnrog phab ntsa thickness mus txog50 mm
Ob -sab vuamtsim ib lub siab -zoo weld nugget
JCOE lossis UOE tsimcov txheej txheem kom paub meej qhov tseeb qhov tseeb
100% ultrasonic kuajntawm weld seam kom zoo
"JR" suffixguarantees chav kub cuam tshuam toughness (27 J ntawm +20 degree)
Weldability zoo heevthiab zoo formability
Sib npaug rau Q355nyob rau hauv Suav standard thiabQib 50ua BS4360
Cov ntawv thov uas muaj xws li:
Kev tsim kho siab -nce kev tsim kho (txhawb kab, steel ncej)
Choj engineering (cov kab teeb tseem ceeb, cov tswv cuab ntawm cov qauv)
Offshore platforms thiab marine qauv
Cua turbine yees thiab piling foundations
Cov hlab ntsha siab thiab cov txheej txheem piping
Tsawg- kis tau tus mob (dej, roj, roj)
Thaum ordering, qhia:TS EN 10219-1, Qib S355J0H (rau 0℃cuam tshuam) lossis S355J2H (rau -20℃cuam tshuam), DSAW (Ob-Sided Submerged Arc Welded), Loj (OD x WT), Ntev, Qhov Kawg Finish (plain / beveled), Coating Test 4EN Type 10, thiab 2. 3.1B. Rau cov ntawv thov tsuas yog qhov kub thiab txias, qhia cov khoom siv phaj txheem EN 10025-2 S355JR nrog cov khoom tsim nyog.
