TS EN 10219-1 S355JOH yog tus qauv, muaj zog cov khoom siv tshwj xeeb rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[siv: 1, citation: 2, citation: 5, citation: 7]. Qhov kev sib xyaw ua ke no yog cov khoom lag luam zoo tshaj plaws uas muab los ntawm ntau lub tuam txhab thoob ntiaj teb rau kev thov cov qauv siv uas yuav tsum tau muaj kev thauj khoom siab- cov kabmob muaj peev xwm thiab lav qhov hnyav ntawm 0 degree, xws li siab- nce lub tsev kem, choj piers, offshore platforms, cua turbine towers, thiab cov qauv kev lag luam hnyav [citation: 2, citation: 3, citation: 9]
Lub npe "EN 10219-1 S355JOH Kauv Submerged Arc Pipe" sib txuas ua ke siab -lub zog steel qib (S355JOH) nrog rau qhov txias- tsim welded structural hollow seem qauv, tsim siv cov khoom siv nyiaj txiag - welding{ 6} txheej txheem loj welding daim ntawv thov qhov siab tshaj plaws lub zog- rau qhov hnyav piv yog qhov tseem ceeb [citation:2, citation:5, citation:8].
📋 Cov ntsiab lus tseem ceeb rau EN 10219-1 S355JOH 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: 2, citation: 3, citation: 4, citation: 5, citation: 6, citation: 7, citation: 8, citation: 10].
| 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:2, citation:3, citation:5, citation:8]. |
| Qib Steel | S355 YOG: High -lub zog steel qib. "S" qhia txog cov qauv hlau, "355" qhia qhov tsawg kawg nkaus tawm lub zog hauv MPa, "J" qhia txog kev ntsuas qhov cuam tshuam (27J min), "O" qhia txog kev cuam tshuam ntawm kev sim ntawm0 degree, thiab "H" qhia Hollow seem [citation:2, citation:5, citation:6, citation:10]. |
| Khoom Naj Npawb | 1.0547[siv: 3, citation: 4, citation: 10]. |
| 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: 5, citation: 7]. |
| Chemical Composition (max %) [citation: 3, citation: 4, citation: 6, citation: 8, citation: 10] | Cov pa roj carbon (C):0.20-0.22% max Silicon (Si):0.55% max Manganese (Mn):1.60% max Phosphorus (P):0.035% max Sulfur (S):0.035% max Aluminium (hli):0.020% min (tag nrho tua steel) Nitrogen (N):0.009% max [citation: 3, citation: 6, citation: 10] |
| Mechanical Properties (min) [citation: 2, citation: 3, citation: 4, citation: 5, citation: 6, citation: 8, citation: 10] | Yield Strength (t Tsawg dua los yog sib npaug rau 16mm): 355 MPa rau[qhia: 3, citation: 4, citation: 5, citation: 6, citation: 8, citation: 10] Yield Strength (16 < t Tsawg dua los yog sib npaug rau 40mm):345 MPa [Citation: 3, citation: 5, citation: 8, citation: 10] Tensile Strength (t Tsawg dua lossis sib npaug li 16mm):510-680 MPa [Citation: 3, Citation: 6, Citation: 10] Tensile Strength (16 < t Tsawg dua los yog sib npaug rau 40mm):470-630 MPa [Citation: 2, Citation: 3, Citation: 5, Citation: 8, Citation: 10] Elongation (t Tsawg dua lossis sib npaug li 40mm):Ntau dua lossis sib npaug20%[siv: 3, citation: 4, citation: 6, citation: 10] Impact Zog: 27 J yam tsawg kawg nkaus ntawm 0℃(transverse)[npe: 2, citation: 3, citation: 4, citation: 5, citation: 6, citation: 8, citation: 10] |
| Carbon Equivalent (CEV) max | 0.45-0.47%(rau thickness Tsawg dua lossis sib npaug li 40mm) [citation: 4, citation: 10] |
| 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 [citation:3, citation:8] |
| Hom Loj Ntau Yam [citation: 1, citation: 2, citation: 5, citation: 7, citation: 8] | Sab nraud txoj kab uas hla:219 mm txog 4064 mm (kwv yees . 8" rau 160") [citation: 1, citation: 2, citation: 5, citation: 8] Phab ntsa Thickness:5 hli mus rau 60 hli (ntau ntau 6-32 hli) [citation: 1, citation: 2, citation: 5] Ntev:3 m txog 70 m (customizable) [citation: 1, citation: 2, citation: 5] |
| Dimensional Tolerances [citation: 6, citation: 8, citation: 9] | Sab nraud Diameter (D Tsawg dua lossis sib npaug rau 168.3mm):± 1% lossis ± 0.5mm (qhov twg ntau dua) [citation: 6, citation: 8] Sab nraud txoj kab uas hla (D> 168.3mm):± 1% [Citation: 6, citation: 8] Phab ntsa Thickness (t Tsawg dua lossis sib npaug li 5 hli):± 10% [Citation: 6, citation: 8] Phab ntsa Thickness (t> 5mm):± 0.5 hli [Citation: 6, citation: 8] Kev ncaj:Tsawg dua lossis sib npaug li 0.15% ntawm tag nrho qhov ntev (max 3mm / m) [citation: 6, citation: 8, citation: 9] Length (tus qauv):-0 / +50mm [citation:6, citation:8] |
| Cov Kev Ntsuas Tseem Ceeb [citation: 2, citation: 3, citation: 5, citation: 8] | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj;Yuav tsum tau kuaj Charpy cuam tshuam ntawm 0 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:2, citation:5, citation:8]. |
| Cov ntawv thov sib xws [citation: 2, citation: 3, citation: 5, citation: 8, citation: 9] | Siab -nce tsev kab thiab ncej ; choj piers thiab cov khoom[siv: 2, citation: 3, citation: 5];offshore platforms thiab marine structures[siv: 2, citation: 5];cua turbine yees[siv: 2, citation: 5];heavy industrial cog moj khaum ; piling foundations ; chaw nres nkoj machinery txhawb ; loj - cov kav dej xa mus ; cov qauv uas xav tau lub zog siab - rau - qhov hnyav piv[siv: 2, citation: 5]. |
| Daim ntawv pov thawj | Mill Test Certificate rauEN 10204 Hom 3.1(los yog Hom 3.2 rau kev txheeb xyuas tus kheej) nrog rau tag nrho cov txiaj ntsig thiab cov ntaub ntawv taug qab. CE- cim muaj rau cov khoom tsim kho raws li CPR [citation:5, citation:8]. |
📏 Kev Qhia Qib Qib
Lub npeS355 YOGUa raws li cov qauv kev xav tau teev tseg hauv EN 10219 thiab EN 10025 [citation: 2, citation: 5, citation: 6, citation: 10]:
| Cheebtsam | Lub ntsiab lus |
|---|---|
| S | Cov qauv hlau |
| 355 | Yam tsawg kawg yield zog ntawm355 MPa rau(rau thicknesses Tsawg dua los yog sib npaug rau 16mm) |
| J | Qhov yuav tsum tau ua kom muaj kev cuam tshuam: Charpy V-kev ntsuas ntsuas |
| O | Impact test kub:0 degree(27 Joules yam tsawg kawg nkaus) [citation: 2, citation: 5, citation: 6, citation: 10] |
| H | Ntug Hollow(Ua raws li EN 10219) [citation: 2, citation: 5, citation: 6, citation: 10] |
📊 S355JOH vs. Lwm Cov Qauv Qib Sib piv
S355JOH muaj zog ntau dua li S275 qib thiab zoo dua toughness dua S355JRH. Cov lus hauv qab no qhia txog qhov sib txawv no [citation: 2, citation: 3, citation: 5, citation: 8, citation: 10]:
| Khoom / yam ntxwv | S355JOH (Qib no) | S355JRH | S275 YOG | S275J2H |
|---|---|---|---|---|
| Yam tsawg kawg nkaus Yield Strength (t Tsawg dua lossis sib npaug li 16mm) | 355 MPa rau[siv: 3, citation: 5, citation: 8] | 355 MPa [Citation: 3, Citation: 8] | 275 MPa [Citation: 3, citation: 8] | 275 MPa [Citation: 3, citation: 8] |
| Tensile Strength Range | 470-630 MPa(16-40mm) [siv: 3, citation: 5, citation: 8] | 470-630 MPa [Citation: 3, citation: 8] | 410-560 MPa [Citation: 3, citation: 8] | 410-560 MPa [Citation: 3, citation: 8] |
| Impact Test Temperature | 0 degree[siv: 2, citation: 3, citation: 5, citation: 8] | +20℃(chaw kub) [citation:3, citation:5, citation:8] | 0℃[citation: 3, citation: 8] | -20 degree[siv: 3, citation: 5, citation: 8] |
| Yam tsawg kawg nkaus zog | 27 J[siv: 3, citation: 5, citation: 8] | 27 J [nqe: 3, citation: 5, citation: 8] | 27 J [nqe: 3, citation: 8] | 27 J [nqe: 3, citation: 5, citation: 8] |
| Phosphorus (P) max | 0.035% [Citation: 3, citation: 8] | 0.040% [siv: 3, citation: 8] | 0.035% [Citation: 3, citation: 8] | 0.030% [Citation: 3, citation: 8] |
| Sulfur (S) max | 0.035% [Citation: 3, citation: 8] | 0.040% [siv: 3, citation: 8] | 0.035% [Citation: 3, citation: 8] | 0.030% [Citation: 3, citation: 8] |
| Tus qauv Efficiency | Siab tshaj- tso cai kom txuag tau qhov hnyav tshaj plaws lossis muaj peev xwm thauj khoom siab tshaj plaws | High-zoo li lub zog, qis toughness | Nruab nrab – zoo zog - rau - luj piv | Nruab nrab - lub zog zoo nrog kev tsom mus rau qis -temp toughness |
| Qhov Tseem Ceeb Daim Ntawv Thov Kev Pom Zoo | Cov qauv thauj khoom hnyav heev uas txo qhov hnyav lossis hla- ntu tseem ceeb (ntev ntev, kab siab, sab ntug dej hiav txwv) | Hnyav loaded qauv nyob rau hauv tsev los yog sov huab cua | Cov qauv dav dav yuav tsum muaj zog ntau dua S235 | Cov qauv hauv cov huab cua txias xav tau S275 lub zog |
| Tus nqi txheeb ze | Siab dua- vim alloying ntsiab thiab ntau zog | Nruab nrab -High | Nruab nrab | Nruab nrab mus rau siab |
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "EN 10219-1 S355JOH" txhais tau tias: Qhov no yog European tus qauv rautxias- ua welded structural hollow seem. S355JOH yog qib siab - lub zog ntawm cov qauv steel nrog qhov tsawg kawg nkaus lub zog ntawm355 MPa rauthiab lav Charpy cuam tshuam toughness ntawm27j0 qib[siv: 2, citation: 5, citation: 6, citation: 10]. Lub ntsiab lus "H" qhia tias nws yog ib qho hollow seem ua raws li EN 10219, thiab "JOH" suffix yog qhov tseem ceeb sib txawv -nws lav cov khoom cuam tshuam ntawm0 degree(27J), uas yog 20 degrees txias dua S355JRH (chaw kub, +20℃) [citation:2, citation:5].
Vim li cas thiaj xaiv S355JOH?Qib no yog teev rau cov ntawv thov nyob qhov twglub zog siab tshaj plaws - rau - qhov hnyav pivyog qhov tseem ceeb thiab cov qauv yuav tsum ua kom ntseeg tau hauvtemperate mus rau qhov chaw txias txiasqhov twg kub yuav poob mus rau khov (0 degree) [citation:2, citation:5]. Nws muaj kwv yees li30% siab zog dua S275thiab51% siab dua S235, ua kom txuag tau cov khoom tseem ceeb thiab ntau dua cov qauv tsim qauv.
S355JOH vs S355JRH vs S355J2H: Qhov sib txawv tseem ceeb ntawm cov qib S355 yog qhov ntsuas kub ntawm qhov ntsuas kub [citation: 2, citation: 5, citation: 8]:
S355JRH27 j:ua+20 degree(chav kub) - haum rau sab hauv tsev lossis sov huab cua kev siv
S355 YOG(qib no): 27 J at0 degree- haum rau cov qauv sab nraum zoov hauv huab cua sov nrog rau cov xwm txheej khov
S355J2H27 j:ua-20 degree- haum rau huab cua txias thiab kev siv arctic
Zoo-Cov qauv nplej: S355JOH yog azoo -cov qauv hlau, ua tiav los ntawm microalloying (piv txwv li, nrog niobium, vanadium, titanium) thiab tswj kev ua haujlwm, uas txhim kho ob qho tib si lub zog thiab weldability [citation: 2, citation: 5]. Lub siab tua steel yuav tsum tau (Al Ntau dua lossis sib npaug rau 0.020%) ua kom cov khoom sib xws thoob plaws hauv cov yeeb nkab [citation: 3, citation: 8].
Weldability: S355JOH muaj qhov zoo weldability nrog kev tswj cov pa sib npaug (CEV Tsawg dua lossis sib npaug rau 0.45-0.47%). Rau cov seem tuab, ua ntej- cua sov thiab tom qab vuam cua sov yuav tsum tau ua kom haum rau lub hauv paus hlau lub zog thiab toughness nyob rau hauv weld cheeb tsam. Cov txheej txheem vuam yuav tsum tsim nyog raws li cov cai muaj feem xyuam [citation:2, citation:5].
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: 2, citation: 5]. Cov txheej txheem SSAW yog cov txheej txheem txias- txheej txheem tsim, ua EN 10219 tus qauv raug rau cov kav hlau welded qauv.
SSAW Qhov Zoo rau S355JOH: Cov txheej txheem welding muab cov txiaj ntsig tshwj xeeb rau qhov loj - txoj kab uas hla, siab - lub zog cov kav dej [citation: 2, citation: 5, citation: 7]:
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 tw
Khoom siv tau zoo: Siv tau txoj hlua khi hlau los tsim cov kav loj - txoj kab uas hla ntawm tib lub kauj dav
High -Quality Welds: Muab ob npaug rau-sab submerged arc vuam kom ntseeg tau tias muaj kev nkag mus thiab kev ua haujlwm siab
Cov txheej txheem tsim khoom rau EN 10219-1 S355JOH SSAW Yeeb Nkab
Cov txheej txheem tsim ua raws li tus qauv SSAW cov txheej txheem tsim khoom nrog kev txhim kho kev tswj hwm zoo tsim nyog rau siab -cov ntaub ntawv siv zog [citation: 2, citation: 5, citation: 7]:
| Kauj ruam | Kev piav qhia |
|---|---|
| 1. Kev npaj cov khoom nyoos | Kub-rolled steel coils ntsib S355JOH 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:2, citation:5]. |
| 2. Kauv sib sau | Cov hlau sawb txuas ntxiv ua rau hauv cov duab cylindrical ntawm ib lub kaum sab xis ntawm chav tsev kub siv tsib- yob txoj kev siv tshuab [citation:2, citation:5]. |
| 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 chaw vuam kom siab - zoo, tawg - dawb welds [citation: 2, citation: 5, citation: 7]. |
| 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: 2, citation: 5]. |
| 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 kev ncaj ncees ntawm vuam [citation: 2, citation: 5, citation: 8]. |
| 6. Dimensional soj ntsuam | Kev txheeb xyuas qhov ntev, qhov ncaj, thiab qhov kawg squareness raws li EN 10219-2 tolerances [citation: 6, citation: 8]. |
| 7. Kev kuaj xyuas tshuab | Tensile tests, flattening tests, khoov kuaj, thiabYuav tsum tau kuaj Charpy cuam tshuam ntawm 0 degreetxhawm rau txheeb xyuas qhov qis-kub yam ntxwv [citation:2, citation:3, citation:5, 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:5]. |
| 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: 5, citation: 7]. |
🏭 Daim ntawv thov
TS EN 10219-1 S355JOH SSAW cov kav dej yog qhov kev xaiv zoo tshaj plaws rau kev thov cov qauv siv uas xav tau lub zog siab thiab lav 0℃toughness [citation: 2, citation: 3, citation: 5, citation: 8, citation: 9]:
| Daim ntawv thov | Kev piav qhia | Vim li cas S355JOH raug xaiv |
|---|---|---|
| High-Rise Building Columns | Cov kab tseem ceeb thiab kev txhawb nqa ncej rau skyscrapers thiab cov tsev siab [citation: 2, citation: 5] | 355 MPa yield zog ua rau txo qis qhov ntau thiab tsawg; zoo 0℃toughness rau sab nraum zoov exposures |
| Kev tsim kho choj | Cov kab teeb ci tseem ceeb, cov piers, thiab cov tswv cuab ntawm cov choj rau kev nyab xeeb [citation: 2, citation: 3, citation: 5] | Siab zog-rau- hnyav piv; guaranteed 0℃toughness rau lub caij ntuj no tej yam kev mob |
| Offshore Platforms | Marine qauv nyob rau hauv temperate dej (piv txwv li, North Hiav txwv yav qab teb sector) [citation:2, citation:5] | Weldability zoo heev; cuam tshuam toughness ntawm 0℃haum rau marine ib puag ncig |
| Cua Turbine Ntauwd | Ntauwd seem rau onshore thiab offshore cua ua liaj ua teb nyob rau hauv temperate regions [citation: 2, citation: 5] | Lub zog siab tso cai rau cov yees sib zog; zoo qaug zog kuj |
| Heavy Industrial Frameworks | Cov tuam tsev, kev txhawb nqa crane, cov khoom siv hnyav [citation: 2, citation: 5] | Superior zog rau hnyav loads; economical rau loj spans |
| Piling Foundations | Lub hauv paus tob rau cov choj, vaj tse, thiab infrastructure | Siab zog-rau- hnyav piv; ntev ntev muaj (txog 70m) |
| Chaw nres nkoj Machinery Supports | Container cranes, nkoj - mus rau - ntug dej hiav txwv cranes, khoom siv thauj khoom | Siab zog rau dynamic loads; zoo weldability rau complex fabrications |
| Loj -Txoj kab uas hla dej | Penstocks, dej mains, dej txias kab | Cov kev xaiv zoo corrosion kuj; loj txoj kab uas hla |
📝 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: 5, citation: 8].
Impact Test Temperature: Cov lus "JOH" lav qhov cuam tshuam cov khoom ntawm0 degree. Yog tias koj daim ntawv thov yuav tsum tau lav qhov tawv ntawm qhov kub qis, xaiv [citation: 2, citation: 5, citation: 8]:
S355JRH: 27 J ntawm +20℃(sab hauv tsev lossis huab cua sov)
S355 YOG(qib no): 27 J ntawm 0℃(kub huab cua, sab nraum zoov qauv)
S355J2H: 27 J ntawm -20℃(kwv yees, kev siv arctic)
S355K2H: 40 J ntawm -20℃(yuav tsum muaj zog dua rau kev siv huab cua txias heev)
Daim ntawv pov thawj CE / UKCA: S355JOH 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: 5, citation: 8].
Weld Seam Zoo: Ob chav -sided submerged arc vuam txheej txheem nrog kev kho cua sov tom ntej kom ntseeg tau tias cov khoom siv ntawm cov vuam sib xws ntawm cov khoom siv hauv paus (S355JOH), txhim kho tag nrho cov qauv kev ruaj ntseg thiab kev ntseeg tau [citation: 2, citation: 5].
Weldability Ceev faj: Thaum S355JOH yog vuam, nws yuav xav tau cov txheej txheem vuam tshwj xeeb dua piv rau qib S235 / S275. Cov kev txiav txim siab muaj xws li:
Filler Hlau Xaiv: Yuav tsum phim lub hauv paus hlau lub zog thiab toughness yam ntxwv
Ua ntej-Kev Tswj Kub Kub: Tej zaum yuav xav tau rau cov ntu tuab los tiv thaiv hydrogen cracking
Tshaj tawm -Kev kho cua sov: Tej zaum yuav xav tau rau cov ntawv thov tseem ceeb lossis ntu tuab heev
International Approximations: S355JOH 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(Suav tus qauv, zoo sib xws 0℃cuam tshuam cov khoom)
JIS G3106 SM490YA(Japanese qauv)
DIN 17100 St52-3N(Keeb kwm German sib npaug, tam sim no obsolete)
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 S355JR (chaw kub cuam tshuam), nws qhia tau hais tias kev siv dav dav ntawm EN 10219 kauv welded kav hauv cov phiaj xwm loj.
Ua kom tiav Specification: Thaum xaj, qhia [citation:2, citation:5, citation:8]:
TS EN 10219-1, Qib S355JOH, SAWH (kauv vuam), Loj (OD x WT), Ntev, Xaus Xaus
Tus qauv qauv: [e.g., EN 10219-1: 2006]
Kev ntsuas kub: 0 degree (tus qauv rau JOH)
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 S355JOH Kauv Submerged Arc Welded kavyog ahwm, siab -lub zog xaiv cov qauvrau loj - daim ntaub ntawv txoj kab uas hla raws li European tus qauv rau txias- tsim welded structural hollow seem [citation: 1, citation: 2, citation: 5, citation: 7, citation: 9]. Nrog yam tsawg kawg nkaus tawm lub zog ntawm355 MPa rau- kwv yees li30% siab dua S275thiab51% siab dua S235- thiab lav Charpy cuam tshuam toughness ntawm27j0 qib, cov kav dej no muab cov kev daws teeb meem zoo tshaj plaws rau siab - nce lub tsev kab, choj piers, offshore platforms, cua turbine towers, hnyav kev lag luam, thiab lwm yam kev thov uas siab tshaj plaws lub zog - rau - qhov hnyav piv yog qhov tseem ceeb thiab kev ua tau zoo ntawm qhov kub thiab txias yog yuav tsum tau [citation: 2, citation: 5].
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:
Siab zog(355 MPa tawm los) ua kom cov khoom siv tseem ceeb txuag thiab ntau dua cov qauv tsim qauv [citation: 2, citation: 5]
Guaranteed cuam tshuam toughness ntawm 0 degree(27J yam tsawg kawg nkaus) rau cov qauv sab nraum zoov hauv huab cua sov [citation: 2, citation: 5, citation: 8, citation: 10]
Zoo- nplej, tag nrho cov hlaunrog cov ntsiab lus txhuas yam tsawg kawg nkaus (Ntau dua lossis sib npaug rau 0.020%) rau cov khoom txhim kho [citation: 3, citation: 8]
Txias- tsim kev tsim khoomtsis muaj kev kho cua sov tom qab [citation: 2, citation: 5]
Zoo weldabilitynrog tswj cov pa sib npaug (CEV Tsawg dua lossis sib npaug rau 0.45-0.47%) [citation: 4, citation: 10]
CE / UKCA daim ntawv pov thawjmuaj rau cov khoom tsim kho raws li CPR [citation: 5, citation: 8]
Txoj kab uas hla davlos ntawm 219mm mus rau ntau tshaj 4000mm thiab ntev mus txog 70m [citation: 1, citation: 2, citation: 5]
S355JOH yognyiam structural qib rau temperate climate applicationsqhov twg S355JRH's chav-kub toughness tsis txaus rau qhov txias txias. Rau cov ntawv thov uas yuav tsum tau lav qhov cuam tshuam rau lub zog ntawm -20 degree, xav txog kev kho dua tshiabS355J2H[siv: 2, citation: 5, citation: 8].
Thaum txiav txim, xyuas kom meej tias koj qhia meej txog cov qauv ua tiav nrog qib, kev tsim khoom (SAWH), qhov ntev yuav tsum tau, qhov ntsuas kub ntawm qhov yuav tsum tau muaj (0 degree), thiab cov txheej txheem txheej raws li koj daim ntawv thov tshwj xeeb thiab ib puag ncig [citation: 2, citation: 5, citation: 8].
