S355G10+M Offshore Steel Phaj yog dab tsi?
S355G10+Myog qib siab -qib Thermo-mechanically tswj dov (TMCP) steel phaj siab rau offshore thiab marine engineering, tsim nyob rau hauv tag nrho ua raws liTS EN 10225- European standard for weldable structural steels for fixed offshore structures.
Raws li sab saum toj -tier G10 qib xa hauv TMCP, nws ua rau muaj kev sib npaug zoo ntawm cov pob txha tawg siab, ultra- huv steel purity thiab tus nqi yuav khoom. Nws hais txog qhov mob tseem ceeb ntawm qhov nruab nrab feem ntau -thickness offshore tej yaam num: txheem S355G9 tsis tau raws li nruj CTOD thiab anti-lamellar tearing yuav tsum tau rau qhov tseem ceeb load- bearing nodes, thaum normalized S355G10+N coj tsis tsim nyog tus nqi them nqi rau Cheebtsam.11} kev kho cua sov tag nrho{
Nws yog dav teev rau North Hiav Txwv offshore platform braces, offshore cua ntau seem seem, FPSO auxiliary structures thiab Arctic coastal heavy steelwork qhov twg G10-qib toughness yog yuav tsum tau ntawm kev tswj nyiaj txiag.
Tag Nrho Tag Nrho ntawm S355G10+M Qib Code
Txhua ntu ntawm kev xaiv ua raws li nruj EN 10225 naming conventions:
S- Cov qauv steel, engineered rau welded load- bearing siv
355- Yam tsawg kawg nkaus yield zog ntawm 355MPa rau daim hlau Tsawg dua los yog sib npaug rau 16mm tuab; lub zog txo qis me ntsis nrog nce thickness ib tus qauv specification
G- Offshore platform tshwj xeeb qib, raug rau qhov toughness ntxiv, purity thiab qaug zog tiv thaiv kev xav tau tshaj li cov qauv hlau
G10- Qib siab tshaj plaws hauv EN 10225 S355G series, nrog peb qhov yuav tsum tau ua:
Txheeb xyuas qhov kev ua haujlwm zoo tom qab simulated ncej-weld heat treatment (PWHT)
- Ultra- nruj impurity txwv: S Tsawg dua lossis sib npaug rau 0.005%, P Tsawg dua lossis sib npaug rau 0.015%, nruj dua qib G8 thiab G9
- Yam tsawg kawg nkaus 50J transverse Charpy V-notch cuam tshuam lub zog ntawm -40 degree, nrog tsim nyog CTOD tawg toughness
- +M- Thermo-Mechanically Controlled Process (TMCP) kev xa khoom. Daim hlau ua tiav lub hom phiaj microstructure thiab cov khoom los ntawm kev tswj qhov kub thiab txias thiab ceev ceev, tsis muaj kev kho cua sov ntxiv. Cov txheej txheem no txo qis lub voj voog ntau lawm, txo cov nqi ntawm cov khoom siv, thiab xa cov kev ua haujlwm zoo tshaj plaws thiab subsurface.
Tshuaj muaj pes tsawg leeg ntawm S355G10+M (EN 10225)
| Element | C | Si | Mn | P | S | Nb | V | Ti | Al | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max (%) | 0.12 | 0.55 | 1.65 | 0.015 | 0.005 | 0.030 | 0.060 | 0.025 | 0.055 | 0.20 | 0.70 | 0.08 | 0.30 | 0.010 |
Mechanical Properties of S355G10+M
| Thickness Ntau | Min Yield zog (MPa) | Tensile zog (MPa) | Min Elongation A (%) | Min Charpy V cuam tshuam ntawm -40℃(Transverse, J) |
|---|---|---|---|---|
| Tsawg dua los yog sib npaug li 16 hli | 355 | 470 – 630 | 22 | 50 |
| 16-25 hli | 355 | 470 – 630 | 22 | 50 |
| 25-40 hli | 345 | 470 – 630 | 22 | 50 |
| 40-63 hli | 335 | 470 – 630 | 22 | 50 |
| 63-100 hli | 325 | 470 – 630 | 22 | 50 |
| >100 hli | Tsis muaj ntawv pov thawj rau + M mob | - | - | - |
Lus Cim: Rau cov phaj tuab dua 100 hli, tsuas yog S355G zoo ib yam 10+ qib N yog muaj nrog tag nrho los ntawm - daim ntawv pov thawj khoom tuab.
Core Advantages of S355G10+M rau Offshore Projects
1. Superior Mechanical Properties
Lub zog siab: S355G10+M muaj qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa, ua rau nws haum rau hnyav- cov qauv thauj khoom.
Zoo Toughness: Nws muab kev cuam tshuam zoo heev ntawm qhov kub thiab txias, feem ntau qis rau -40℃(-40℃F), ua kom muaj kev ntseeg siab nyob rau hauv qhov chaw txias offshore.
Zoo Ductility: Cov hlau tuav cov elongation siab, tso cai rau nws tiv taus dynamic loads thiab stresses.
2. Txhim kho Corrosion Resistance
Marine-Grade Composition: S355G10+M yog tsim los tiv thaiv corrosion los ntawm seawater, ntsev tsuag, thiab lwm yam dej hiav txwv hnyav.
Cov Txheej Txheem Tiv Thaiv: Nws tuaj yeem yooj yim coated los yog pleev xim rau ntxiv txhim kho nws cov corrosion kuj.
3. Weldability
Tsawg Carbon sib npaug (CEV): Cov hlau muaj cov nqi sib npaug ntawm cov pa roj carbon monoxide, ua kom muaj kev sib tw zoo heev yam tsis tas yuav tsum tau ua kom muaj cua sov ntau los yog tom qab-weld heat treatment.
Kev sib raug zoo nrog Cov Txheej Txheem Txheej Txheem: Nws tuaj yeem welded siv cov txheej txheem txheej txheem, ua rau nws zoo tagnrho rau kev tsim cov txheej txheem sab nrauv.
4. Ua raws li Offshore Standards
EN 10225 Standard: S355G10+M ua raws li European tus qauv rau weldable structural steels rau kev ruaj khov nyob rau hauv ntug dej hiav txwv, kom ntseeg tau zoo thiab kev ntseeg siab.
Daim ntawv pov thawj: Nws ua tau raws li cov kev cai nruj rau cov ntawv thov sab nrauv, suav nrog kev ua kom tawv tawv, qaug zog tiv thaiv, thiab tawg toughness.
5. Kev qaug zog
Siab Fatigue Strength: S355G10+M yog tsim los tiv thaiv lub voj voog loading thiab dynamic stresses, uas muaj nyob rau hauv offshore ib puag ncig.
Lub neej ua haujlwm ntev: Nws qhov kev qaug zog ua haujlwm ua kom lub neej ntev ntawm cov chaw sab nrauv, txo cov nqi tu.
S355G10+M vs S355G10+N vs S355G9+M
| Parameter | S355G10+M | S355G10+N | S355G9+M |
|---|---|---|---|
| Kev xa khoom | TMCP thermo-txheej txheem tswj dov | Normalized kho cua sov | TMCP thermo-txheej txheem tswj dov |
| Max ntawv pov thawj thickness | 100 hli | 150 hli | 100 hli |
| S & P txwv | S Tsawg dua lossis sib npaug li 0.005%, P Tsawg dua lossis sib npaug li 0.015% | S Tsawg dua lossis sib npaug li 0.005%, P Tsawg dua lossis sib npaug li 0.015% | S Tsawg dua lossis sib npaug rau 0.010%, P Tsawg dua lossis sib npaug li 0.020% |
| PWHT kev ua haujlwm | Txhawb kev daws kev ntxhov siab hauv zos; toughness degrades me ntsis tom qab lub sij hawm tag nrho PWHT | Tsim nyog tag nrho; toughness tseem ruaj khov tom qab tag nrho PWHT | Tsis tas yuav tsum tau soj ntsuam PWHT; toughness poob qis heev tom qab kev kho cua sov |
| CTOD xav tau | Yuav tsum tau ua raws li -rolled condition | Yuav tsum tau ua tom qab PWHT simulation | Tsis xav tau |
| Tej daim ntawv thov | Nruab nrab- tuab qhov tseem ceeb, cov cua ntsawj ntshab, cov qauv sab nrauv sab nrauv | Ultra- tuab lub ntsiab nodes xav tau tag nrho PWHT, Arctic hnyav platforms | Cov decks dav dav, braces, tsis yog -cov tswv cuab tseem ceeb |
| Tus nqi txheeb ze & lub sijhawm ua haujlwm | Tus nqi nruab nrab, lub sij hawm luv luv | Tus nqi siab tshaj plaws, lub sijhawm ua haujlwm ntev tshaj plaws | Tus nqi qis tshaj, lub sijhawm luv tshaj plaws |
Daim Ntawv Thov Kev Sib Tham Ntawm S355G10+M
S355G10+M yog optimized rau nruab nrab -tuab offshore Cheebtsam uas yuav tsum tau siab toughness tab sis tsis xav tau tag nrho cov ncej-weld stress relief tshav kub kho.
Offshore cua turbine qauv
Cov ntu ntauwd, cov phaj flange, cov khoom siv hloov pauv thiab cov tswv cuab lub hauv paus nruab nrab nrog tuab ntawm 20mm thiab 80mm, tshwj xeeb tshaj yog rau cov cua txias - cheeb tsam cua ua liaj ua teb xav tau -40℃qis-kub tsis kam.
Tsau offshore roj & roj platform qauv
Jacket braces, deck reinforcement, riser txhawb nqa thiab cov tubular thib ob rau North Hiav Txwv thiab Lavxias Arctic platforms, qhov twg G10-qib toughness tau teev tseg tab sis tag nrho PWHT tsis tas yuav tsum tau.
FPSO thiab floating offshore auxiliary qauv
Cov khoom siv module skids, hnyav-load brackets thiab cov qauv kev txhawb nqa sab saum toj, tau txais txiaj ntsig los ntawm weldability zoo heev thiab qaug zog.
Marine thiab chaw nres nkoj hnyav steel ua haujlwm
Shipbuilding structural Cheebtsam, chaw nres nkoj crane hauv paus, berthing structures thiab txias -cua sov ntug hiav txwv hnyav steel tsim.
Thaum tsis xaiv S355G10+M
Rau cov phaj tuab dua 100mm, los yog lub ntsiab tubular nodes uas yuav tsum tau tag nrho cov ncej -weld stress relief tshav kub kev kho mob, S355G10+N tsuas yog ib tug tsim nyog qib los lav ruaj khov toughness. Peb tuaj yeem muab cov lus pom zoo rau qib kev ua haujlwm raws li koj qhov kev kos duab tshwj xeeb thiab kev kho cua sov.
GNEE Steel Supply & Tus nqi -Kev Pabcuam Ntxiv
Raws li ib tug kws tshaj lij ntawm EN 10225 offshore steel daim hlau nrog kev nkag ncaj qha mus rau cov ntawv pov thawj Suav teb saum toj kawg nkaus, peb muab ib qho - nres cov kev daws teeb meem rau S355G10+M:
Daim ntawv pov thawj puv pob
EN 10204 3.1 / 3.2 cov ntaub ntawv xeem cov ntaub ntawv pov thawj, ntxiv rau DNV GL / LR zeb cov ntaub ntawv pom zoo, ua raws li kev sib tw thoob ntiaj teb kev sib tw.
Customized soj ntsuam xaiv
100% UT ultrasonic soj ntsuam ib EN 10160, Z-kev taw qhia tensile xeem (Z15/Z25/Z35) thiab -40℃Charpy cuam tshuam kuaj nrog tag nrho cov ntaub ntawv thawj.
Precision processing kev pabcuam
Plasma / nplaim taws / laser txiav, V / X / K bevel machining, txhaj tshuaj blasting thiab khw primer pretreatment, xa npaj txhij{0}} rau -fabricate qhov chaw kom txo tau koj rhiav workload.
Tus nqi - ntxiv kev ua haujlwm
Precision ntshav / nplaim taws / laser txiav, V / X / K bevel machining, tua blasting thiab khw primer pretreatment, npaj rau kev tsim khoom ncaj qha thaum xa khoom.
Precision txiav: nplaim taws, ntshav thiab laser txiav raws li CAD cov duab kos, paub txog ze ntawm -net-puab blanking thiab txo rau ntawm - cov khoom poob los ntawm ntau dua 30%.
Export logistics daws
Txheem seaworthy export ntim, fumigation -dawb ntoo txhawb, thiab tag nrho EXW / FOB / CIF hiav txwv freight daws rau ntiaj teb no offshore tej yaam num.
Npaj kom ruaj ntseg koj S355G10+M daim phiaj rau koj qhov project tom ntej?
Tau txais kev ruaj khov, zeb- tus nqi ncaj qha hauv 4 teev- tsuas yog qhia peb koj qhov yuav tsum tau muaj thickness, dav, ntev, thiab kuaj pob. Peb muab:
✅ Direct mill nqinrog tsis muaj qhov zais trading margins
✅ EN 10204 3.2 ntawv pov thawjnpaj txhij rau - tog neeg soj ntsuam kev pom zoo
✅ Tshuag loj muajrau 20mm - 100mm thickness rau kev ua tam sim
✅ Kev cai bevel txiav & tua blastingkom txo tau koj fabrication yard workload
[THOV QHIA RAU S355G10+M tam sim no]← Nyem rau xa koj cov lus nug
Lossis xa koj qhov project kos duab ncaj qha mus rau peb pab pawg kws tshaj lij - peb yuav teb nrog cov lus pom zoo rau qib, lub sijhawm xa khoom zeb, thiab kev lag luam tag nrho hauv ib hnub ua haujlwm.
FAQ
1. Dab tsi yog qhov tsawg kawg nkaus tawm lub zog ntawm S355G10+M?
Rau cov phaj Tsawg dua los yog sib npaug ntawm 16mm tuab, qhov tsawg kawg nkaus yield zog yog 355MPa. Lub zog tawm los txo qis me ntsis nrog nce thickness, poob mus rau 325MPa rau daim hlau 63-100mm tuab.
2. Dab tsi yog qhov txawv ntawm S355G10+M thiab S355G10+N?
Qhov tseem ceeb sib txawv yog nyob rau hauv cov txheej txheem ntau lawm thiab thickness muaj peev xwm. S355G10+M siv TMCP dov nrog tus nqi qis dua thiab lub sijhawm luv luv, tau lees paub txog li 100mm thickness. S355G10+N yog normalized, xa cov kev ua haujlwm ruaj khov dua tom qab hnyav PWHT, thiab muaj txog li 150mm thickness.
3. S355G10+M puas tuaj yeem siv tau tom qab kev tshaj tawm-weld kev kho cua sov?
S355G10+M muab kev txhawb nqa PWHT cov ntaub ntawv khoom vaj khoom tsev raws li EN 10225. Nws tiv taus cov kev ntxhov siab hauv zos, tab sis rau lub sijhawm ntev PWHT ntawm cov tuab tuab tuab, S355G10+N yog qib tau teev los lav qhov ruaj khov ruaj khov.
4. Puas yog S355G10+M haum rau Arctic offshore tej yaam num?
Yog lawm. S355G10+M tau ntawv pov thawj rau -40℃transverse cuam tshuam toughness thiab ua tau raws li qhov qis- qhov yuav tsum tau muaj qhov kub thiab txias rau feem ntau ntawm ntug dej hiav txwv Arctic thiab sab ntug dej hiav txwv nruab nrab tuab.
5. Puas yog S355G10+M yooj yim vuam?
Yog lawm. Nrog nruj tswj hwm cov pa sib npaug thiab tsis tshua muaj qhov txias txias, S355G10+M tuaj yeem welded siv txhua txoj hauv kev, nrog txo qis preheating yuav tsum tau rau ntawm - site fabrication.
Tag nrho EN 10225 Offshore Steel Qib Muaj nyob ntawm GNEE Steel
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Txuj |
Qib Steel |
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TS EN 10225 |
S355G2+N |
S355G3+N |
S355G7+N |
S355G8+N |
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S355G9+N |
S355G10+N |
S355G5+M |
S355G6+M |
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S355G7+M |
S355G8+M |
S355G9+M |
S355G10+M |
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S420G1+M |
S420G2+M |
S420G1+QT |
S420G2+QT |
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S460G1+M |
S460G2+M |
S460G1+QT |
S460G2+QT |
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