TS EN 10219-1 S355K2H yog tus hwm zoo, cov khoom siv tawv tawv siab tshaj plaws rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[siv: 1, citation: 4]. Qhov kev sib xyaw ua ke no sawv cev rau qhov kev xaiv zoo tshaj plaws rau cov kev xav tau tshaj plaws ntawm cov qauv siv uas qhov siab tshaj plaws tiv thaiv kev tawg yog qhov yuav tsum tau muaj nyob rau hauv cov huab cua txias, xws li offshore cua hauv paus, Arctic infrastructure, thiab tseem ceeb seismic -cov qauv resistant [citation: 1, citation: 4].
Lub npe "EN 10219-1 S355K2H Kauv Submerged Arc Yeeb Nkab" muab cov qib siab tshaj plaws -strength S355 nrog cov kev cuam tshuam zoo tshaj plaws ntawm K2 qhov ntsuas (40J ntawm -20 degree) nyob rau hauv qhov txias -cov txheej txheem kev lag luam welded welded rau loj-inch, lub hom phiaj tseem ceeb daim ntawv thov [citation:1, citation:4].
📋 Cov ntsiab lus tseem ceeb rau EN 10219-1 S355K2H 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: 4, citation: 5, 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:1, citation:4, citation:7]. |
| Qib Steel | S355K2H: A premium high -strength structural steel qib. "S" qhia txog cov qauv hlau, "355" qhia qhov tsawg kawg nkaus tawm lub zog hauv MPa, "K2" qhia txog kev cuam tshuam kev sim ntawm-20 degreenrog40J yam tsawg kawg nkaus zog, thiab "H" qhia Hollow seem [citation:1, citation:4, citation:7]. |
| Khoom Naj Npawb | 1.0512[npe: 2, citation: 5, citation: 7, 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 npaug -sided tsis siv neeg submerged arc vuam nrog tshwj xeeb xaiv cov khoom siv hlau kom ua tiav vuam toughness txuam cov hlau puag (Ntau dua lossis sib npaug ntawm 40J ntawm -20 degree) [citation: 1, citation: 4]. |
| Chemical Composition (max %) [citation: 2, citation: 3, citation: 5, citation: 8, citation: 10] | Cov pa roj carbon (C):0.22% max Silicon (Si):0.55% max Manganese (Mn):1.60% max Phosphorus (P): 0.030% max Sulfur (S): 0.030% max Aluminium (Al tag nrho): 0.020% min(tag nrho tua steel, nplua nplej) Chromium (Cr):Tsawg dua lossis sib npaug li 0.30% Copper (Cu):Tsawg dua lossis sib npaug li 0.30% Molybdenum (Molybdenum):Tsawg dua lossis sib npaug li 0.08% Nickel (Ni):Tsawg dua lossis sib npaug li 0.30% Nitrogen (N):Tsis siv tau nrog txaus Al |
| Mechanical Properties (min) [citation: 2, citation: 5, citation: 8, citation: 10] | Yield Strength (t Tsawg dua los yog sib npaug rau 16mm): 355 MPa rau[siv: 2, citation: 5, citation: 8, citation: 10] Yield Strength (16 < t Tsawg dua los yog sib npaug rau 40mm):345 MPa [Citation: 2, Citation: 5, Citation: 8, Citation: 10] Yield Strength (40 < t Tsawg dua los yog sib npaug rau 63mm):335 MPa rau Yield Strength (63 < t Tsawg dua los yog sib npaug rau 80mm):325 MPa Tensile Strength (3mm Tensile Strength (t Tsawg dua lossis sib npaug li 3 hli):510-680 MPa [Citation: 2, Citation: 5, Citation: 10] Elongation (longitudinal, t Tsawg dua lossis sib npaug li 40mm):Ntau dua lossis sib npaug22%[siv: 2, citation: 5, citation: 10] Elongation (ntev, 40 < t Tsawg dua lossis sib npaug li 63mm): 21% Elongation (longitudinal, 63 Impact Zog: 40 J yam tsawg kawg nkaus ntawm -20℃(transverse)[npe: 1, citation: 2, citation: 4, citation: 5, citation: 7, citation: 8, citation: 10] |
| Carbon Equivalent (CEV) max | 0.45%(rau thickness Tsawg dua los yog sib npaug rau 40mm); 0.53% rau thickness 65mm |
| Txoj Kev Deoxidation | FF (Fullly tua hlau)- muaj nitrogen- khi cov ntsiab lus (Al Ntau dua lossis sib npaug li 0.020% min) kom paub meej zoo - cov qauv nplej [citation: 2, citation: 3, citation: 5, citation: 10] |
| Hom Loj Ntau Yam [citation: 1, citation: 4, citation: 8] | Sab nraud txoj kab uas hla:219mm txog 4064mm (kwv yees . 8" rau 160") Phab ntsa Thickness:5 hli mus rau 60 hli (ntau ntau 6-40 hli) [citation: 4, citation: 8] Ntev:3 m txog 70 m (customizable) [citation: 1, citation: 4] |
| Dimensional Tolerances [citation: 2, citation: 10] | Sab nraud txoj kab uas hla:± 1% (min ± 0.5mm, max ± 10mm) Phab ntsa Thickness (t Tsawg dua lossis sib npaug li 5 hli): ±10% Phab ntsa Thickness (t> 5mm):± 0.5 hli Kev ncaj:Tsawg dua lossis sib npaug li 0.15% ntawm tag nrho qhov ntev (max 3mm / m) Loj:± 6% ntawm tus kheej ntev |
| Cov Kev Ntsuas Tseem Ceeb [citation: 1, citation: 4] | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj;Yuav tsum tau kuaj Charpy cuam tshuam ntawm -20 degree(40J yam tsawg kawg nkaus); weld khoov kuaj nrog toughness pov thawj;100% tsis yog-kev kuaj kev puas tsuaj ntawm vuam seam(ultrasonic los yog X-ray) [citation:1, citation:4]. |
| Common Applications [citation: 1, citation: 4] | Offshore cua turbine foundations (monopiles) ; offshore roj & roj platforms[siv: 1, citation: 4];Arctic choj thiab infrastructure ; seismic-cov qauv tiv thaiv hauv cheeb tsam txias ; cov yam ntxwv tseem ceebyuav tsum tau muaj kev ruaj ntseg tawg ntau tshaj plaws;cua turbine yees hauv cov huab cua txias ; piling foundations nyob rau hauv freezing av tej yam kev mob ; siab -kev ncaj ncees siab Cheebtsam . |
| Daim ntawv pov thawj | Mill Test Certificate rauEN 10204 Hom 3.1(lossis Hom 3.2 rau kev txheeb xyuas tus kheej) nrog rau tag nrho cov txiaj ntsig kev xeem, cov ntaub ntawv taug qab, thiab kev lees paub tseeb ntawm -20℃cuam tshuam lub zog loj dua lossis sib npaug rau 40J. CE-kos npe muaj rau cov khoom tsim kho raws li CPR [citation: 1, citation: 4, citation: 7]. |
📏 Kev Qhia Qib Qib
Lub npeS355K2HUa raws li cov qauv kev xav tau txhais hauv EN 10219 thiab EN 10025 [citation: 1, citation: 4, citation: 7]:
| 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) |
| K2 | Impact test xav tau:40 Joules yam tsawg kawg nkaus ntawm -20 degree- tus "K" qhia txog kev cuam tshuam lub zog ntau dua li qib "J" [citation: 1, citation: 4] |
| H | Ntug Hollow(Ua raws li EN 10219) [citation: 1, citation: 4, citation: 7] |
📊 S355K2H vs S355J2H vs S355J0H Kev sib piv
S355K2H muaj qhov zoo tshaj plaws lav qhov cuam tshuam toughness ntawm S355 qib cov qauv. Qhov kev xaiv "K2" yog qhov sib txawv tseem ceeb rau kev siv hluav taws xob loj heev [citation: 1, citation: 4, citation: 7]:
| Khoom / yam ntxwv | S355K2H (Qib no) | S355J2H | S355J0H |
|---|---|---|---|
| Yam tsawg kawg nkaus Yield Strength (t Tsawg dua lossis sib npaug li 16mm) | 355 MPa rau[siv: 2, citation: 5, citation: 8, citation: 10] | 355 MPa [Citation: 2, Citation: 5, Citation: 8, Citation: 10] | 355 MPa [Citation: 2, Citation: 5, Citation: 8, Citation: 10] |
| Tensile zog ntau yam (16-40mm) | 470-630 MPa[siv: 2, citation: 5, citation: 8, citation: 10] | 470-630 MPa [Citation: 2, Citation: 5, Citation: 8, Citation: 10] | 470-630 MPa [Citation: 2, Citation: 5, Citation: 8, Citation: 10] |
| Impact Test Temperature | -20 degree[siv: 1, citation: 4, citation: 5] | -20℃[Citation: 1, citation: 4, citation: 5] | 0℃[citation: 1, citation: 4, citation: 5] |
| Yam tsawg kawg nkaus zog | 40 J[npe: 1, citation: 4, citation: 5, citation: 7, citation: 8, citation: 10] | 27 J [nqe: 1, citation: 4, citation: 5, citation: 8, citation: 10] | 27 J [nqe: 1, citation: 4, citation: 5, citation: 8, citation: 10] |
| Phosphorus (P) max | 0.030%[siv: 2, citation: 5, citation: 8, citation: 10] | 0.030% [citation: 2, citation: 5, citation: 8, citation: 10] | 0.035% [citation: 2, citation: 5, citation: 8, citation: 10] |
| Sulfur (S) max | 0.030%[siv: 2, citation: 5, citation: 8, citation: 10] | 0.030% [citation: 2, citation: 5, citation: 8, citation: 10] | 0.035% [citation: 2, citation: 5, citation: 8, citation: 10] |
| Qhov tseem ceeb Advantage | Qhov siab tshaj plaws toughness ntawm -20℃hauv S355 chav kawm. Qhov siab tshaj plaws kev ruaj ntseg tawg. | Zoo sib npaug ntawm lub zog thiab toughness | Lub zog siab rau cov huab cua nruab nrab |
| Tsim siv | Kev puas tsuaj - cov ntawv thov tseem ceeb nrog cov ntu tuab, cov khoom hnyav, lossis qhov kub tsis tshua muaj | Xav kom tsawg -kub siv | Siab - daim ntawv thov muaj zog yam tsis muaj - qhov yuav tsum tau muaj qhov kub |
| Tus nqi txheeb ze | Siab tshaj(vim kev tswj nruj thiab kev sim) | Siab | Nruab nrab -High |
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "EN 10219-1 S355K2H" txhais tau tias: Qhov no yog European tus qauv rautxias- ua welded structural hollow seem. S355K2H yog qhov kawg siab tshaj - lub zog ntawm cov qauv steel qib nrog yam tsawg kawg nkaus lub zog ntawm355 MPa rauthiab lav Charpy cuam tshuam toughness ntawm40 J ntawm -20 degree[siv: 1, citation: 4, citation: 5]. Cov lus "K2" yog lub ntsiab lus txhais- nws lav40 Joules ntawm -20 degree, uas yog 13 Joules siab dua qib J2 (27J) ntawm tib qhov kub thiab txias, muab qhov kev nyab xeeb ntxiv rau cov pob txha tawg, tshwj xeeb tshaj yog nyob rau hauv cov ntu tuab lossis hauv qab dynamic loads.
Vim li cas thiaj xaiv S355K2H?Qib no yog qhovkev xaiv zoo tshaj plaws rau cov ntawv thov engineering heevqhov twg cov qauv kev ncaj ncees tsis yog -negotiable . Nws yog teev rau:
Offshore cua turbine foundations (monopiles)raug rau cov dej hiav txwv txias thiab cov khoom hnyav [citation: 1, citation: 4]
Offshore roj & roj platformsnyob rau hauv North Hiav Txwv thiab lwm yam txias - dej ib puag ncig [citation:1, citation:4]
Arctic choj thiab infrastructureua haujlwm hauv sub-zero kub
Seismic-cov qauv tiv thaivnyob rau hauv cov cheeb tsam txias yuav tsum tau siab tshaj ductility
Kev puas tsuaj - cov ntawv thov tseem ceebnrog cov ntu tuab qhov twg toughness yog txo nyob rau hauv nruab nrab ntawm cov khoom
Superior Tsawg-Tsub Toughness: Qhov kev xaiv "K2" yog qhov tseem ceeb rau cov qauv hauv cov huab cua txias heev. Thaum S355J2H lav 27J ntawm -20 degree, S355K2H lav40J ntawm -20 degree, muab 48% siab dua lub zog nqus peev xwm thiab muaj kev nyab xeeb ntxiv rau qhov chaw xav tau tshaj plaws [citation: 1, citation: 4]. Qhov no ua tiav los ntawm kev tswj hwm kev tsim khoom nruj dua thiab raug tua tag nrho, nplua -kev ua cov hlau hlau (Al Ntau dua lossis sib npaug rau 0.020%) [citation:2, citation:5].
Kev Tswj Xyuas Chemistry nruj dua: S355K2H muaj tib qhov txwv nruj ntawm phosphorus thiab sulfur (0.030% max) raws li S355J2H, tab sis qhov kev xav tau ntawm lub zog ntau dua (40J vs. 27J) xav tau kev tswj hwm nruj dua, suav nrog kev kho cua sov thiab cov qauv zoo dua [citation: 1, citation: 5].
Thickness Effect Kev txiav txim siab: Qhov kev xav tau 40J yog qhov tseem ceeb rautuab- cov kav dejlos tiv thaiv qhov kev txo qis hauv toughness ntawm qhov nruab nrab ntawm cov khoom tuab. Rau cov ntawv thov tseem ceeb nrog cov phab ntsa tuab tshaj 40mm, K2 qhov ntsuas muab qhov tseem ceeb ntawm kev nyab xeeb.
Weldability: S355K2H muaj qhov zoo weldability nrog kev tswj cov pa sib npaug (CEV Tsawg dua lossis sib npaug rau 0.45%). Txawm li cas los xij, vim nws cov khoom hwm zoo,Cov txheej txheem vuam nruj yuav tsum tau ua :
Cov txheej txheem vuam tsim nyog nrog kev ua kom tawv nqaij- cov khoom siv hlau yog qhov tseem ceeb
Preheat thiab interpass kub tswj yog feem ntau yuav tsum tau
Weld hlau yuav tsum ua kom muaj kev cuam tshuam zoo sib xws (Ntau dua lossis sib npaug rau 40J ntawm -20 degree)
Tom qab -weld heat treatment tej zaum yuav xav tau rau cov ntawv thov tseem ceeb
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: 4]. 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 S355K2H: Cov txheej txheem welding muab cov txiaj ntsig tshwj xeeb rau qhov loj - txoj kab uas hla, hwm - qib cov kav dej [citation: 1, 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 cov loj - txoj kab uas hla ntawm ntug dej hiav txwv monopiles thiab piling daim ntawv thov
Nqi Efficiency: Kev lag luam ntau dua li LSAW rau cov kab loj loj thaum tswj hwm cov khoom zoo
Ntev ntev: Txog li 70m ntev txo qhov kev xav tau ntawm kev sib tw
100% NDT: Yuav tsum tau kuaj xyuas ultrasonic lossis radiographic ntawm lub vuam seam kom ntseeg tau qhov kev ncaj ncees rau kev siv tseem ceeb
Weld Toughness Matching: SAW txheej txheem nrog tshwj xeeb xaiv muab tub lim hlau ua tiav cov vuam toughness txuam nrog lub hauv paus hlau (Ntau dua lossis sib npaug rau 40J ntawm -20 degree)
Cov txheej txheem tsim khoom rau EN 10219-1 S355K2H SSAW Yeeb Nkab
Cov txheej txheem tsim ua raws li kev txhim kho kev tswj hwm zoo tsim nyog rau hwm K2 daim ntawv pov thawj, nrog cov txheej txheem vuam nruj kom ua tiav qhov kev xav tau ntawm lub zog siab dua [citation: 1, citation: 4]:
| Kauj ruam | Kev piav qhia |
|---|---|
| 1. Kev npaj cov khoom nyoos | Kub-rolled steel coils ntsib S355K2H 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 tsim rau hauv cov duab cylindrical ntawm ib lub kaum ntse ntse tshwj xeeb ntawm chav sov siv tsib- yob txoj kev siv tshuab . |
| 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.Tshwj xeeb xaiv muab tub lim hlau thiab fluxesyog siv los ua kom tiav cov vuam toughness txuam nrog lub hauv paus hlau (Ntau dua lossis sib npaug ntawm 40J ntawm -20 degree). |
| 4. Kev kho cua sov | Qhov chaw weld undergoes localized normalizing tshav kub kho kom zoo nplej, homogenize microstructure, thiab tshem tawm welding kev nyuaj siab, xyuas kom meej weld zog phim lub hauv paus hlau. |
| 5. Tsis yog-Kev kuaj kev puas tsuaj | 100% ultrasonic lossis radiographic tshuaj xyuasntawm weld seam yog qhov yuav tsum tau ua kom muaj kev ncaj ncees rau cov ntaub ntawv tseem ceeb [citation: 1, citation: 4]. |
| 6. Dimensional soj ntsuam | Kev txheeb xyuas qhov ntev, ncaj, thiab xaus squareness raws li EN 10219-2 kam rau ua. |
| 7. Kev kuaj xyuas tshuab | Tensile tests, flattening tests, khoov kuaj, thiabYuav tsum tau kuaj Charpy cuam tshuam ntawm -20 degreemus xyuas40J yamlow-tej khoom kub [citation:1, citation:4, citation:5]. |
| 8. Kev ua tiav tiav | Xaus npaj (dawb los yog beveled) rau welding teb; beveled xaus rau phab ntsa thickness> 4mm feem ntau. |
| 9. Txheej | Cov txheej txheem sab nraud (cov kua roj vanish, xim dub, kub-dip galvanized, 3LPE, FBE) muaj rau kev tiv thaiv corrosion . |
🏭 Premium Applications
TS EN 10219-1 S355K2H SSAW cov kav dej yog qhov kev xaiv zoo tshaj plaws rau cov kev xav tau tshaj plaws ntawm cov qauv siv hauv qhov chaw hnyav [citation: 1, citation: 4]:
| Daim ntawv thov | Kev piav qhia | Yog vim li cas S355K2H yog qhov kev xaiv hwm |
|---|---|---|
| Offshore Cua Foundations (Monopiles) | Loj - txoj kab uas hla lub hauv paus pawg rau offshore cua turbines nyob rau hauv dej txias [citation:1, citation:4] | Guaranteed 40J ntawm -20℃qhov tseem ceeb rau kev nyab xeeb ntawm ntug dej hiav txwv; siab zog - rau qhov hnyav piv; loj txoj kab uas hla |
| Offshore Roj & Roj Platforms | Cov khoom siv rau cov platforms hauv North Hiav Txwv, Arctic, thiab lwm yam txias - dej ib puag ncig [citation:1, citation:4] | Kev tiv thaiv siab tshaj plaws rau kev tawg tawg nyob rau hauv dynamic loads ntawm sub-zero kub |
| Arctic Choj thiab Infrastructure | Choj Cheebtsam thiab infrastructure hauv arctic thiab sub- cheeb tsam arctic | Kev nyab xeeb tseem ceeb rau qhov chaw txias txias nrog 48% siab zog cuam tshuam ntau dua qib J2 |
| Seismic-Resistant Structures | Cov vaj tsev thiab cov tsev nyob hauv cov cheeb tsam txias uas xav tau seismic tsis kam | Superior ductility thiab lub zog nqus ntawm qhov kub thiab txias |
| Cua Turbine Ntauwd | Ntauwd seem rau onshore thiab offshore cua ua liaj ua teb nyob rau hauv cov huab cua txias | Lub zog siab tso cai rau cov yees sib zog; superior low{0}}kub toughness |
| Piling Foundations | Lub hauv paus tob hauv permafrost thiab khov hauv av | Khaws ductility thaum tsav tsheb hauv cov xwm txheej txias heev |
| Cov Txheej Txheem Tseem Ceeb | Txhaum- daim ntawv thov tseem ceeb nrog cov ntu tuab | 40J qhov yuav tsum tau ua rau txo cov tawv nqaij ntawm qhov chaw ntawm cov ntaub ntawv tuab |
📝 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: 7].
Impact Test Temperature: Cov lus "K2" lav cov khoom cuam tshuam ntawm-20 degreenrog40J yam. Qhov no yog qhov sib txawv tseem ceeb ntawm S355J2H (27J ntawm -20 degree) thiab S355J0H (27J ntawm 0 degree) [citation:1, citation:4, citation:7]. Kev xav tau lub zog ntau dua muab qhov kev nyab xeeb ntxiv rau cov ntawv thov xav tau tshaj plaws.
Welding Txheej Txheem Kev Tsim Nyog: Vim yog cov khoom hwm zoo thiab muaj kev cuam tshuam ntau dua lub zog xav tau,Cov txheej txheem vuam tsim nyog yog qhov tseem ceeb. Cov ntsiab lus tseem ceeb suav nrog:
Toughness- kuaj cov khoom siv hlau uas tuaj yeem ua tiav Ntau dua lossis sib npaug ntawm 40J ntawm -20℃hauv cov hlau vuam
Preheat thiab interpass kub tswj
Weld cov txheej txheem kev tsim nyog cov ntaub ntawv (PQR/WPQ) qhia txog kev ua tiav cov khoom
Matching weld hlau zog rau lub hauv paus hlau xav tau
Kev txiav txim siab tuab phab ntsa: Qhov kev xav tau 40J yog qhov tseem ceeb tshwj xeeb rautuab- cov kav dej(phab ntsa thickness> 40mm) qhov chaw ntawm cov khoom ib txwm muaj qis toughness. Qhov kev xav tau lub zog siab dua muab qhov tsim nyog kev nyab xeeb rau cov ntawv thov no.
Daim ntawv pov thawj CE / UKCA: S355K2H 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: 7].
Mill Test Certificate Requirements: Daim ntawv pov thawj (EN 10204 Hom 3.1 lossis 3.2) yuav tsumQhia meej meej txog qhov -20℃cuam tshuam lub zog Ntau dua lossis sib npaug rau 40J. Nov yog cov ntaub ntawv tseem ceeb rau cov ntaub ntawv qib K2.
International Approximations: S355K2H yog roughly sib npaug rau:
ASTM A572 Qib 50(zoo li lub zog tawm los, qhov sib txawv ntawm qhov ntsuas qhov yuav tsum tau ua - K2 muab cov qauv kev lees paub)
GB/T 1591 Q355D(Suav tus qauv, -20℃cuam tshuam cov khoom, feem ntau 27J)
JIS G3106 SM490YA(Japanese qauv)
DIN 17100 St52-3N(Keeb kwm German sib npaug, tam sim no obsolete)
Tus nqi hwm: S355K2H txib covtus nqi siab tshajntawm S355 cov qib kev ua haujlwm vim muaj kev tswj xyuas nruj, kev soj ntsuam zoo dua, thiab kev ruaj ntseg zoo. Tus nqi yog tsim nyog rau cov ntawv thov tseem ceeb uas yuav tsum tau muaj kev ruaj ntseg ntau tshaj plaws.
Ua kom tiav Specification: Thaum xaj, qhia [citation:1, citation:4]:
TS EN 10219-1, Qib S355K2H, SAWH (kauv welded), Loj (OD x WT), Ntev, Xaus Xaus
Tus qauv qauv: [e.g., EN 10219-1: 2006]
Kev ntsuas kub: -20 degree, yam tsawg kawg nkaus 40J (tus qauv rau K2)
Weld hlau tej yam yuav tsum tau: yuav tsum phim lub hauv paus hlau (Ntau tshaj los yog sib npaug rau 40J ntawm -20 degree)
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) nrog cov txiaj ntsig ntawm kev kuaj pom tseeb
📝 Cov ntsiab lus
TS EN 10219-1 S355K2H Kauv Submerged Arc Welded kavyog covqhov kawg, siab tshaj -toughness structural xaivrau kev siv engineering hnyav raws li European tus qauv rau txias- tsim welded structural hollow seem [citation:1, citation:4]. 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 ntawm40 J ntawm -20 degree(48% siab dua S355J2H's 27J), cov kav dej no muaj qhov kev nyab xeeb siab tshaj plaws tiv thaiv kev puas tsuaj rau cov ntug dej hiav txwv cua, Arctic infrastructure, seismic-cov qauv tiv thaiv, thiab lwm lub hom phiaj- cov ntawv thov tseem ceeb uas cov qauv kev ncaj ncees tsis yog - sib tham tau [: 4}, citation: 1.
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:
Qhov siab tshaj plaws lav qhov cuam tshuam toughness ntawm -20 degree(40J yam tsawg kawg nkaus) - tus yam ntxwv ntawm qib K2, muab qhov kev nyab xeeb ntxiv rau cov ntu tuab thiab cov khoom hnyav [citation: 1, citation: 4]
Premium zog(355 MPa yield) ua rau cov khoom siv tseem ceeb txuag thiab ntau dua cov qauv tsim qauv
Kev tswj hwm nruj duanrog rau tag nrho tua, nplua- nplej hlau (Al Ntau dua lossis sib npaug li 0.020%) rau kev txhim kho qis- cov khoom kub [citation:2, citation:5]
Cov txheej txheem vuam tsim nyogyuav tsum tau nrog toughness -kuaj muab tub lim hlau ua tau zoo dua los yog sib npaug rau 40J ntawm -20 degree
100% NDT ntawm weld seamNrog rau qhov yuav tsum tau Charpy cuam tshuam kev ntsuas ntawm welds ntawm -20℃[citation: 1, citation: 4]
CE / UKCA daim ntawv pov thawjmuaj rau cov khoom tsim kho raws li CPR [citation: 4, citation: 7]
Txoj kab uas hla davlos ntawm 219mm mus rau ntau tshaj 4000mm thiab ntev mus txog 70m [citation: 1, citation: 4, citation: 8]
S355K2H yogpremium structural qib rau huab cua txias heevqhov twg qhov siab tshaj plaws kev ruaj ntseg tawg yog yuav tsum tau. Qhov kev xaiv "K2" feem ntau yog tswj hwm los ntawm cov qauv thoob ntiaj teb lossis cov neeg siv khoom tshwj xeeb rau qhov tseem ceeb tshaj plaws ntawm ntug dej hiav txwv, Arctic, thiab seismic-cov haujlwm tiv thaiv .
Thaum txiav txim, xyuas kom meej tias koj qhia meej cov qauv ua tiav nrog rau qib, kev tsim khoom (SAWH), qhov ntev yuav tsum tau, qhov ntsuas kub ntawm qhov yuav tsum tau muaj (-20 degree, 40J yam tsawg kawg nkaus), thiab cov txheej txheem txheej raws li koj daim ntawv thov tshwj xeeb thiab ib puag ncig [citation: 1, citation: 4]. Rau cov haujlwm tseem ceeb tshaj plaws, qhia meejEN 10204 Hom 3.2 daim ntawv pov thawj thiab thib peb -tus neeg tim khawvlos xyuas kom meej tag nrho ua raws li cov qauv zoo tshaj plaws.
