TS EN 10219-1 S275J2H yog tus qauv, qib siab cov khoom siv tshwj xeeb rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[siv: 1, citation: 4, citation: 6, citation: 9]. Qhov kev sib xyaw ua ke no yog qhov zoo- tsim cov khoom lag luam los ntawm ntau lub tuam txhab lag luam thoob ntiaj teb rau kev thov cov qauv siv uas yuav tsum tau lees paub qis- qhov kub thiab txias toughness mus rau-20 degree, xws li offshore platforms, cua turbine yees nyob rau hauv cov cheeb tsam txias, thiab tseem ceeb infrastructure nyob rau hauv freezing climates [citation:1, citation:3, citation:8].
Lub npe "EN 10219-1 S275J2H Kauv Submerged Arc Yeeb Nkab" ua ke ntau dua -lub zog steel qib (S275J2H) nrog qhov txias- tsim welded structural hollow seem qauv, tsim siv cov khoom siv nyiaj txiag - welding{ 8} txheej txheem welding Cov ntawv thov uas yuav tsum tau ua kom muaj kev ua tau zoo ntawm qhov kub thiab txias [citation: 1, citation: 5, citation: 7].
📋 Cov ntsiab lus tseem ceeb rau EN 10219-1 S275J2H SSAW Yeeb Nkab
Cov lus hauv qab no qhia txog cov ntsiab lus tseem ceeb rau cov khoom no, raws li cov ntaub ntawv kev lag luam dav dav [citation: 1, citation: 3, 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:1, citation:3, citation:8, citation:9]. |
| Qib Steel | S275J2H: Ntau dua -lub zog tsis yog- alloy structural steel qib. "S" qhia txog cov qauv hlau, "275" qhia qhov tsawg kawg nkaus tawm lub zog hauv MPa, "J2" qhia txog kev cuam tshuam kev sim ntawm-20 degree(27J min), thiab "H" qhia Hollow seem [citation:1, citation:5, citation:8]. |
| Khoom Naj Npawb | 1.0138[siv: 3, citation: 5, citation: 8]. |
| Kev tsim khoom | Spiral Submerged Arc Vuam (SSAW/HSAW/SAWH): Ua los ntawm kub- dov steel coil nyob rau hauv chav tsev kub, nrog cov weld 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: 2, citation: 4, citation: 6]. |
| Tshuaj muaj pes tsawg leeg (max %) [citation:3, citation:5, citation:7, citation:8] | Cov pa roj carbon (C):0.20% max (0.22% rau qee qhov thickness ranges) [citation: 5, citation: 8] Manganese (Mn):1.50% max [citation: 3, citation: 7, citation: 8] Silicon (Si):Tsis xav tau rau S275J2H [citation:7, citation:8] Phosphorus (P):0.030% max ( nruj dua S275J0H's 0.035%) [citation:7, citation:8] Sulfur (S):0.030% max ( nruj dua S275J0H's 0.035%) [citation:7, citation:8] Aluminium (hli):0.02% min (rau grain refinement, tag nrho tua steel) [citation: 3, citation: 8] |
| Mechanical Properties (min) [citation: 1, citation: 3, citation: 5, citation: 8] | Yield Strength (t Tsawg dua los yog sib npaug rau 16mm): 275 MPa rau[qhia: 3, citation: 5, citation: 8] Yield Strength (16 < t Tsawg dua los yog sib npaug rau 40mm):265 MPa [Citation: 5, citation: 8] Yield Strength (40 < t Tsawg dua los yog sib npaug rau 63mm):255 MPa Tensile Strength (3mm Elongation (t Tsawg dua lossis sib npaug li 40mm):Ntau dua lossis sib npaug20-23%(longitudinal) [Citation: 3, citation: 5, citation: 8] Impact Zog: 27 J yam tsawg kawg nkaus ntawm -20 degree(transverse) [citation: 1, citation: 3, citation: 5, citation: 8] |
| Carbon Equivalent (CEV) max | 0.40%(rau thickness Tsawg dua los yog sib npaug rau 40mm); 0.48% thickness > 65mm [citation:3, citation:5] |
| Txoj Kev Deoxidation | FF (Fullly tua hlau)- muaj nitrogen-binding cov ntsiab lus (Al Ntau dua lossis sib npaug rau 0.020% min) kom paub meej zoo- cov qauv nplej |
| Hom Loj Ntau Yam [citation: 2, citation: 4, citation: 6] | Sab nraud txoj kab uas hla:219mm txog 4064mm (kwv yees . 8" rau 160") [citation:4, citation:6] Phab ntsa Thickness:4.0mm-60mm (ntau ntau 5-30mm) [citation: 2, citation: 4] Ntev:3 m txog 70 m (customizable) [citation: 4, citation: 6] |
| Dimensional Tolerances [citation: 2, citation: 8, citation: 9] | Sab nraud txoj kab uas hla:± 1% (min ± 0.5mm, max ± 10mm) [citation: 2, citation: 9] Phab ntsa Thickness (t Tsawg dua lossis sib npaug li 5 hli):± 10% [Citation: 2, citation: 9] Phab ntsa Thickness (t> 5mm):± 0.5 hli [Citation: 2, citation: 9] Kev ncaj:Tsawg dua lossis sib npaug li 0.15% ntawm tag nrho qhov ntev (max 3mm / m) [citation: 2, citation: 9] Loj:± 6% ntawm tus kheej ntev [citation: 2, citation: 9] |
| Cov Kev Ntsuas Tseem Ceeb [citation: 1, citation: 2, citation: 4, citation: 8] | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj;Yuav tsum tau kuaj Charpy cuam tshuam ntawm -20 degree(27J yam tsawg kawg nkaus); weld khoov kuaj; hydrostatic test (yeem ib qhov project); tsis yog-kev kuaj kev puas tsuaj ntawm vuam seam (ultrasonic los yog X-ray - qauv xyaum) [citation:1, citation:2, citation:4, citation:8]. |
| Cov ntawv thov sib xws [citation: 1, citation: 2, citation: 3, citation: 4, citation: 6, citation: 9] | Offshore platforms thiab marine qauv[siv: 1, citation: 3];cua turbine yees hauv cov cheeb tsam txias ; choj cov khoom hauv cov huab cua khov ; piling foundations nyob rau hauv permafrost los yog khov tej yam kev mob ; siab -nce tsev kab thiab ncej; hnyav machinery thiab crane qauv; tej yaam num infrastructure nyob rau hauv arctic thiab sub- cheeb tsam arctic; tseem ceeb load-cov kabmob cov qauv yuav tsum tau lav tsawg-kub toughness. |
| Daim ntawv pov thawj | Mill Test Certificate rauEN 10204 Hom 3.1(los yog Hom 2.2) nrog cov txiaj ntsig kev xeem tag nrho thiab cov ntaub ntawv taug qab. CE-kos npe thiab UKCA- cim muaj rau cov khoom tsim kho raws li CPR [citation:4, citation:6]. |
📏 Kev Qhia Qib Qib
Lub npeS275J2HUa raws li cov qauv kev xav tau txhais hauv EN 10219 thiab EN 10025 [citation: 1, citation: 5, citation: 8]:
| Cheebtsam | Lub ntsiab lus |
|---|---|
| S | Cov qauv hlau |
| 275 | Yam tsawg kawg yield zog ntawm275 MPa rau(rau thicknesses Tsawg dua los yog sib npaug rau 16mm) |
| J2 | Impact test xav tau:27 Joules yam tsawg kawg nkaus ntawm -20 degree[siv: 1, citation: 5, citation: 8] |
| H | Ntug Hollow(Ua raws li EN 10219) [citation: 1, citation: 5, citation: 8] |
📊 S275J2H vs S275J0H Sib piv
Qhov sib txawv tseem ceeb yog nyob rau hauv qhov ntsuas qhov ntsuas kub. Cov lus hauv qab no qhia meej qhov sib txawv no [citation:1, citation:8]:
| Khoom / yam ntxwv | S275J2H (Qib no) | S275J0H (Riv Qib) |
|---|---|---|
| Yam tsawg kawg Yield Strength (ReH) | 275 MPa rau | 275 MPa [Citation: 1, citation: 8] |
| Tensile Strength Range | 410-560 MPa | 410-560 MPa [Citation: 1, citation: 8] |
| Impact Test Temperature | -20 degree | 0℃[citation: 1, citation: 8] |
| Yam tsawg kawg nkaus Impact Zog (KV) | 27 Joules ntawm -20 degree | 27 Joules ntawm 0℃[citation:1, citation:8] |
| Phosphorus (P) max | 0.030% | 0.035% [siv: 7, citation: 8] |
| Sulfur (S) max | 0.030% | 0.035% [siv: 7, citation: 8] |
| Kev ua haujlwm tseem ceeb | Txhim kho qis-Tsub Toughnessrau huab cua txias thiab dynamic loads | Standard Low-Tsub Toughness rau temperate climates |
| Hom Daim Ntawv Thov Kev Pom Zoo | Offshore platforms, arctic qauv, cua yees nyob rau hauv cov cheeb tsam txias, qhov tseem ceeb infrastructure | Cov qauv dav dav hauv huab cua huab cua, cov tsev, kev txhawb nqa |
| Tus nqi txheeb ze & Muaj | Me ntsis siab dua vim muaj kev nruj me ntsis ntawm cov hlau metallurgical thiab cov kev sim cuam tshuam | Feem ntau ntau dua thiab raug nqi -zoo rau cov ntawv thov txheej txheem |
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "EN 10219-1 S275J2H" txhais tau tias: Qhov no yog European tus qauv rautxias- ua welded structural hollow seem. S275J2H yog ntau dua - lub zog steel qib nrog qhov tsawg kawg nkaus lub zog ntawm275 MPa rauthiab lav Charpy cuam tshuam toughness ntawm27 J ntawm -20 degree[siv: 1, citation: 3, citation: 5, citation: 8]. Lub ntsiab lus "H" qhia tias nws yog ib qho hollow seem ua raws li EN 10219, thiab "J2" cov lus xaus yog qhov sib txawv ntawm qhov tseem ceeb- nws lav cov khoom cuam tshuam ntawm-20 degree, uas yog 20 degrees txias dua J0 qib (0 degree) [citation:1, citation:8].
Vim li cas thiaj xaiv S275J2H?Qib no tau teev tseg thaum cov qauv yuav tsum tau tiv taussub-zero kubthiab tawm tsambrittle puasnyob rau hauv dynamic los yog cuam tshuam loading tej yam kev mob. Cov ntawv thov suav nrog cov chaw tawm ntug dej hiav txwv, cua turbine yees nyob rau hauv cov cheeb tsam txias, cov khoom siv txuas rau hauv cov huab cua khov, thiab piling nyob rau hauv permafrost los yog khov tej yam kev mob [citation: 1, citation: 3, citation: 4].
Txias-Formed vs. Kub-Tiav lawmEN 10219 tshwj xeeb npogtxias - tsimhollow seem (tsim los ntawm txias txias yam tsis muaj kev kho cua sov tom qab), thaum kub - tiav cov qauv hollow seem yog them los ntawmTS EN 10210[siv: 1, citation: 5, citation: 9]. Cov txheej txheem SSAW yog qhov txias- txheej txheem tsim, ua EN 10219 tus qauv raug rau cov kav hlau txuas txuas.
Impact Test Temperature Qhov tseem ceeb: Qhov kev xaiv "J2" yog qhov tseem ceeb rau cov qauv hauv cov huab cua txias. Thaum S275J0H lav 27J ntawm 0 degree, S275J2H lav tib lub zog nqus ntawm-20 degree, muab qhov kev nyab xeeb tseem ceeb rau cov ntawv thov uas qhov kub thiab txias poob qis [citation: 1, citation: 8].
Kev Tswj Xyuas Chemistry nruj dua: S275J2H muaj kev txwv nruj dua ntawm phosphorus thiab sulfur (0.030% max) piv rau S275J0H (0.035% max), uas pab txhawb kev txhim kho toughness thiab weldability ntawm qhov kub qis [citation: 7, citation: 8].
Weldability: S275J2H muaj qhov zoo weldability nrog cov pa sib npaug (CEV Tsawg dua lossis sib npaug ntawm 0.40 rau cov tuab tuab), ua rau nws tsim nyog rau cov txheej txheem vuam xws li submerged arc vuam (SAW). Qhov zoo- cov qauv nplej, ua tiav los ntawm aluminium deoxidation (Ntau dua lossis sib npaug ntawm 0.020% Al), ntxiv txhim kho weldability thiab toughness [citation:3, citation:8].
SSAW Qhov Zoo rau S275J2H: Cov txheej txheem welding muab cov txiaj ntsig tshwj xeeb rau cov kav loj - txoj kab uas hla ntawm cov kav dej uas yuav tsum tau qis- kub toughness [citation: 1, citation: 2, citation: 4]:
Loj Loj Muaj peev xwm: Kev lag luam tuaj yeem tsim cov kav dej mus txog 160 "txoj kab uas hla - zoo tagnrho rau loj - txoj kab uas hla thiab kev siv cov qauv
Nqi Efficiency: Kev lag luam ntau dua li LSAW lossis seamless rau cov kab loj loj
Ntev ntev: Txog li 70m ntev txo qhov kev xav tau ntawm kev sib tshuam [citation: 4, citation: 6]
Khoom siv tau zoo: Siv tau txoj hlua khi hlau los tsim cov kav loj - txoj kab uas hla ntawm tib lub kauj dav
Cov txheej txheem tsim khoom rau EN 10219-1 S275J2H SSAW Yeeb Nkab
Cov txheej txheem tsim khoom ua raws li tus qauv SSAW cov txheej txheem tsim khoom nrog cov kev tswj xyuas zoo tsim nyog rau qis- daim ntawv thov kub [citation:1, citation:2, citation:4]:
| Kauj ruam | Kev piav qhia |
|---|---|
| 1. Kev npaj cov khoom nyoos | Kub-rolled steel coils ntsib S275J2H chemistry yuav tsum tau (tag nrho tua, nplua-grain steel nrog Al Ntau dua lossis sib npaug li 0.020%) yog qib, tshuaj xyuas, thiab ntug-milled [citation:1, citation:8]. |
| 2. Kauv sib sau | Cov hlau sawb txuas ntxiv tsim rau hauv cov duab cylindrical ntawm lub kaum sab xis tshwj xeeb ntawm chav tsev kub siv tsib- yob txoj kev siv tshuab [citation:2, citation:4]. |
| 3. Submerged Arc Vuam | Muab ob npaug rau-sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam nrog kev nkag mus rau tag nrho. Ib txheej ntawm granular flux npog thaj tsam vuam kom siab - zoo, tawg - dawb welds [citation:2, citation:4]. |
| 4. Kev kho cua sov | Lub weld cheeb tsam feem ntau undergoes localized normalizing tshav kub kev kho mob rau refine nplej, homogenize microstructure, thiab tshem tawm welding kev nyuaj siab, kom ntseeg tau tias weld zog phim lub hauv paus hlau [citation: 1, citation: 2]. |
| 5. Tsis yog-Kev kuaj kev puas tsuaj | 100% ultrasonic los yog X-ray tshuaj xyuas ntawm lub vuam seam yog cov qauv kev coj ua kom ntseeg tau tias qhov kev ntseeg ruaj khov [citation: 2, citation: 4, citation: 8]. |
| 6. Dimensional soj ntsuam | Kev txheeb xyuas qhov ntev, qhov ncaj, thiab qhov kawg squareness raws li EN 10219-2 tolerances [citation: 2, citation: 9]. |
| 7. Kev kuaj xyuas tshuab | Tensile tests, flattening tests, khoov kuaj, thiabYuav tsum tau kuaj Charpy cuam tshuam ntawm -20 degreetxhawm rau txheeb xyuas qhov qis-kub yam ntxwv [citation:1, citation:2, citation:8]. |
| 8. Kev ua tiav tiav | Xaus npaj (dawb los yog beveled) rau welding teb; beveled xaus rau phab ntsa thickness> 4mm feem ntau [citation:2, citation:4]. |
| 9. Txheej | Cov txheej txheem sab nraud (cov kua roj vanish, xim dub, kub-dip galvanized, 3LPE, FBE) muaj rau kev tiv thaiv corrosion [citation: 4, citation: 6]. |
🏭 Daim ntawv thov
TS EN 10219-1 S275J2H SSAW kav yog qhov kev xaiv zoo tshaj plaws rau kev thov cov qauv siv hauv cov huab cua txias [citation: 1, citation: 2, citation: 3, citation: 4, citation: 9]
| Daim ntawv thov | Kev piav qhia | Vim li cas S275J2H thiaj xaiv |
|---|---|---|
| Offshore Platforms | Cov qauv dej hiav txwv hauv North Hiav Txwv, Arctic, thiab lwm yam txias - dej ib puag ncig [citation:1, citation:3] | Guaranteed -20℃toughness tseem ceeb rau kev nyab xeeb ntawm ntug dej hiav txwv; zoo heev weldability |
| Cua Turbine Ntauwd | Ntauwd nyob rau hauv cheeb tsam huab cua txias, ua haujlwm lub caij ntuj no | Tsawg-kub los tiv thaiv; siab zog-rau- hnyav piv |
| Kev tsim kho choj | Choj Cheebtsam hauv cov huab cua khov, kev saib xyuas lub caij ntuj no | Resistant nkig tawg nyob rau hauv dynamic loads ntawm sub-zero kub |
| Piling Foundations | Lub hauv paus tob hauv permafrost, khov hauv av | Khaws ductility thaum tsav tsheb hauv cov xwm txheej txias |
| Arctic Infrastructure | Cov vaj tsev, kev txhawb nqa, thiab cov qauv hauv arctic thiab sub- cheeb tsam arctic | Qhov tseem ceeb ntawm kev nyab xeeb margin rau qhov chaw txias heev |
| High-Rise Buildings | Kem thiab thav duab hauv thaj chaw huab cua txias | Txhim kho toughness rau seismic thiab cua loads ntawm qis kub |
| Crane thiab Heavy Machinery | Cov khoom siv ua haujlwm nyob rau sab nraum zoov txias | Txhim khu kev ua tau zoo nyob rau hauv kev cuam tshuam kev thauj khoom ntawm sub-zero kub |
📝 Cov ntsiab lus tseem ceeb
Standard Version: EN 10219-1 yog tus qauv European tam sim no rau txias- tsim welded structural hollow seem. Tus qauv tau txais kev pom zoo thiab suav nrog cov kev cai rau CE-kos npe raws li Txoj Cai Kev Tsim Kho Khoom Siv (CPR) [citation: 4, citation: 9].
Impact Test Temperature: Cov lus "J2" lav cov khoom cuam tshuam ntawm-20 degree. Yog hais tias koj daim ntawv thov yuav tsum tau guaranteed toughness ntawm txawm qis kub, xav txogS355J2Hlos yogS355K2H(40J ntawm -20 degree) [citation:1, citation:8].
Daim ntawv pov thawj CE / UKCA: S275J2H hollow seem tuaj yeem yog CE- cim thiab UKCA- cim, ua raws li Txoj Cai Siv Khoom Siv (CPR EU) thiab UK CPR, ua rau lawv tsim nyog rau kev tsim kho hauv Tebchaws Europe thiab UK [citation: 4, citation: 6].
Weld Seam Zoo: Ob chav -sided submerged arc vuam txheej txheem nrog kev kho cua sov tom qab ua kom ntseeg tau tias cov khoom siv hluav taws xob ntawm cov vuam sib xws ntawm cov khoom siv hauv paus (S275J2H), txhim kho tag nrho cov qauv kev ruaj ntseg thiab kev ntseeg tau [citation: 1, citation: 2].
Tiag - Daim Ntawv Thov Ntiaj Teb: Ib qhov project 2022 hauv Singapore siv3,177 tons ntawm EN 10219 S355JR kauv welded kavrau kev tsim kho chaw nres tsheb subway. Thaum txoj haujlwm no siv qib sib txawv, nws qhia tau hais tias kev siv dav dav ntawm EN 10219 kauv welded kav hauv cov phiaj xwm loj.
International Approximations: S275J2H yog roughly sib npaug rau:
ASTM A572 Qib 50(zoo sib xws yield zog, txawv tej yam yuav tsum tau kuaj)
GB/T 1591 Q355C/D(Suav tus qauv, zoo sib xws qis -kub khoom)
JIS G3106 SM490YA(Japanese qauv)
DIN 17100 St44-3N(Keeb kwm German sib npaug, tam sim no obsolete)
Ua kom tiav Specification: Thaum xaj, qhia [citation:2, citation:4, citation:6]:
TS EN 10219-1, Qib S275J2H, SAWH (kauv welded), Loj (OD x WT), Ntev, Xaus Xaus
Tus qauv qauv: [e.g., EN 10219-1: 2006]
Txheej txheej: [piv txwv li, liab qab, kua roj vanish, kub-dip galvanized, 3LPE, FBE]
Daim ntawv pov thawj: EN 10204 Hom 3.1 (lossis Hom 3.2 rau cov ntawv thov tseem ceeb)
📝 Cov ntsiab lus
TS EN 10219-1 S275J2H Kauv Submerged Arc Welded kavyog apremium, txias - huab cua kev xaivrau loj - daim ntaub ntawv txoj kab uas hla raws li European tus qauv rau txias- tsim welded structural hollow seem [citation:1, citation:4, citation:6, citation:9]. Nrog yam tsawg kawg nkaus tawm lub zog ntawm275 MPa rauthiab lav Charpy cuam tshuam toughness ntawm27 J ntawm -20 degree, cov kav dej no muab cov kev daws teeb meem rau cov ntug dej hiav txwv, cua turbine yees nyob rau hauv cov cheeb tsam txias, cov khoom siv hauv cov huab cua khov, thiab cov txheej txheem tseem ceeb hauv arctic thiab sub- ib puag ncig arctic [citation: 1, citation: 3, citation: 4].
CovEN 10219-1 tus qauvtshwj xeeb npogtxias- ua welded structural hollow seem, ua nws qhov tseeb specification rau kauv welded structural raj. Cov yam ntxwv tseem ceeb muaj xws li:
Guaranteed cuam tshuam toughness ntawm -20 degree(27J yam tsawg kawg nkaus) rau kev siv huab cua txias - tus yam ntxwv ntawm J2 qib [citation: 1, citation: 5, citation: 8]
chemistry nruj dua(P Tsawg dua lossis sib npaug rau 0.030%, S Tsawg dua lossis sib npaug li 0.030%) piv rau qis dua - qib kub [citation:7, citation:8]
Siab tua hlaunrog cov ntsiab lus txhuas yam tsawg kawg nkaus (Ntau dua lossis sib npaug rau 0.020%) rau kev nplua -cov qauv nplej [citation:3, citation:8]
Txias- tsim kev tsim khoomtsis muaj kev kho cua sov tom qab [citation: 1, citation: 9]
Weldability zoo heevnrog qis carbon sib npaug (CEV Tsawg dua lossis sib npaug rau 0.40) [citation: 3, citation: 5]
CE / UKCA daim ntawv pov thawjmuaj rau cov khoom tsim kho raws li CPR [citation: 4, citation: 6]
Txoj kab uas hla davlos ntawm 219mm mus rau ntau tshaj 4000mm thiab ntev mus txog 70m [citation: 4, citation: 6]
S275J2H yognyiam structural qib rau cov huab cua txiasqhov twg S275J0H's 0℃toughness tsis txaus. Rau cov ntawv thov uas xav tau lub zog ntau dua nrog kev lees paub qis -kub toughness, xav txogS355J2H (355 MPa tawm los, 27J ntawm -20 degree)[siv: 1, citation: 8, citation: 9].
Thaum txiav txim, xyuas kom meej tias koj qhia meej cov qauv ua tiav nrog qib, kev tsim khoom (SAWH), qhov ntev yuav tsum tau, thiab cov txheej txheem txheej txheem raws li koj daim ntawv thov tshwj xeeb thiab ib puag ncig [citation: 2, citation: 4, citation: 6].
