Cov ntaub ntawv Index
Nkag siab lub Nomenclature: S460QL1 txhais li cas?
Tshuaj muaj pes tsawg leeg ntawm S460QL1
Mechanical Properties ntawm S460QL1
Vuam thiab Fabrication Guidelines
S460QL1 Steel yog dab tsi?
S460QL1 yog siab -lub zog quenched thiab tempered structural steel qib tau teev tseg hauv EN 10025-6. Nws muaj qhov tsawg kawg nkaus tawm lub zog ntawm 460 MPa rau nyias daim hlau thiab lav qhov cuam tshuam toughness ntawm -60 degree, ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau offshore platforms, cov cuab yeej siv mining, txuas hniav, cov tshuab nqa hnyav, thiab lwm yam kev ua haujlwm hauv qhov chaw txias heev.
Piv nrog rau cov qauv hlau zoo xws li S355J2, S460QL1 muab kwv yees li 30% siab dua cov khoom muaj zog, tso cai rau cov kws ua haujlwm kom txo cov khoom hnyav thaum tuav cov khoom zoo heev -cov kabmob muaj peev xwm.
Nkag siab lub Nomenclature: S460QL1 txhais li cas?
Txhawm rau kom nkag siab txog qhov ua tau zoo ntawm cov khoom siv no, nws yog ib qho tseem ceeb uas yuav tsum txiav txim siab nws lub npe raws li EN 10025-6:
- S - Cov qauv hlau
- 460 - Base yam tsawg kawg nkaus yield zog benchmark. Qhov tseeb tawm los lub zog poob qis me ntsis nrog cov phaj tuab tuab
- Q - Muab xa tuaj rau hauv qhov kub thiab txias
- L1 - Certified cuam tshuam toughness ntawm -60 degree
Qhov sib txawv tseem ceeb ntawm S460Q, S460QL, thiab S460QL1 yog lawv qhov ntsuas kub:
| Qib | Impact Test Temperature |
|---|---|
| S460Q | -20 degree |
| S460 qw | -40 degree |
| S460 QL 1 | -60 degree |
Vim nws qhov qis dua -kub toughness, S460QL1 feem ntau xaiv rau Arctic, offshore, thiab txias- cheeb tsam engineering tej yaam num.
Txoj Cai Kev Ntsuas Kev Ntsuas Ntxiv Ntxiv
Rau cov phaj tuab dua 40 hli, Charpy V-cov ntaub ntawv yuav tsum tau muab coj los ntawm 1/4 phaj thickness txoj hauj lwm. Tag nrho -thickness sampling siv rau nyias daim hlau, uas yog ib qho yuav tsum tau soj ntsuam xyuas rau ntau European thiab offshore project soj ntsuam.
Tshuaj muaj pes tsawg leeg ntawm S460QL1
Cov tshuaj muaj pes tsawg leeg ntawm S460QL1 yog ua tib zoo tswj kom ua tiav qhov sib npaug ntawm lub zog siab, toughness, thiab weldability.
| Element | Max (%) | Element | Max (%) |
|---|---|---|---|
| Cov pa roj carbon (C) | 0.20 | Silicon (Si) | 0.80 |
| Manganese (Mn) | 1.70 | Phosphorus (P) | 0.020 |
| Sulfur (S) | 0.010 | Chromium (Cr) | 1.50 |
| Nickel (Ni) | 2.00 | Molybdenum (hli) | 0.70 |
| Vanadium (V) | 0.12 | Boron (B) | 0.005 |
| Copper (Cu) | 0.30 | - | - |
Cov ntsiab lus tsis tshua muaj cov pa roj carbon monoxide pab tswj kom muaj kev sib txuas zoo thaum ua kom muaj kev tiv thaiv zoo rau kev tawg tawg ntawm sub- xoom kub.
Carbon Equivalent (CEV)
Cov pa roj carbon ntau sib npaug: 0.47%
Kev suav cov mis:
- CE=C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15
CEV yog qhov tseem ceeb Performance index siv los txiav txim siab vuam preheating kub thiab tiv thaiv hydrogen -induced cracking.
Ua tsaug rau ultra- tsis muaj leej faj thiab phosphorus cov ntsiab lus, S460QL1 kuj tseem muab cov kev tiv thaiv yooj yim rau hydrogen-induced cracking (HIC), ua rau nws haum rau me me corrosive offshore thiab txias mining kev pab cuam ib puag ncig.
Mechanical Properties ntawm S460QL1
Tensile thiab Yield Strength
Lub zog muaj zog ReH txawv ntawm phaj thickness ntau raws li EN 10025-6:
- t Tsawg dua lossis sib npaug li 50 hli: Ntau dua lossis sib npaug rau 460 MPa
- 50 hli ＜ t Tsawg dua lossis sib npaug rau 100 hli: Ntau dua lossis sib npaug rau 440 MPa
- 100 hli ＜ t Tsawg dua lossis sib npaug rau 150 hli: Ntau dua lossis sib npaug rau 420 MPa
Uniform tensile thiab elongation ntsuas nyob rau hauv tag nrho cov thickness ntau:
- Tensile zog (Rm): 540-720 MPa
- Elongation (A): Ntau dua lossis sib npaug li 17%
| Qib | Yield zog |
|---|---|
| S275 JR | 275 MPa rau |
| S355J2 | 355 MPa rau |
| S460 QL 1 | 460 MPa (t Tsawg dua lossis sib npaug li 50mm) |
Lub zog siab dua ua rau cov qauv tsim qauv sib dua thiab txo cov khoom siv.
Impact Toughness
- Kev ntsuas kub: -60 degree
- Yam tsawg kawg nruab nrab Charpy V-Ntch Impact Zog: 27 J
Ntau lub tuam txhab hwm zoo niaj hnub ua tiav cov txiaj ntsig cuam tshuam ntau tshaj 40-60 J ntawm -60 degree, muab kev nyab xeeb ntxiv rau cov ntawv thov.
Basic Physical Parameters for Structural Calculation
- Modulus ntawm Elasticity (E): ~ 205 GPa
- Linear Thermal Expansion Coefficient: 11.5 × 10⁻⁶ / degree
Fatigue Performance
S460QL1 nta optimized qaug zog kuj. Nws qhov kev qaug zog yog kwv yees li 20% siab dua tus qauv S355 steel nyob rau hauv tib lub voj voog thauj khoom.
Qhov zoo ntawm S460QL1 Steel
- Siab zog - rau - hnyav piv
- Certified toughness ntawm -60 degree
- Weldability zoo heev
- Txo qhov hnyav ntawm cov qauv
- Txhim kho kev qaug zog
- Haum rau Arctic thiab offshore ib puag ncig
- Tsawg fabrication thiab cov nqi thauj mus los los ntawm kev txo qhov hnyav
- Basic HIC kuj los ntawm nruj tsis tshua muaj leej faj thiab phosphorus tswj
Hauv ntau daim ntawv thov kev tsim kho, kev kho dua tshiab los ntawm S355 steel rau S460QL1 tuaj yeem txo qis steel noj los ntawm 10-20% thaum tuav tib lub load-cov kabmob muaj peev xwm.
Cov ntawv thov ntawm S460QL1
Hnyav Machinery
Crane booms, excavators, mining shovels, thiab dump truck lub cev.
Structure Engineering
Ntev- txuas txuas, siab- cov tsev nce siab, thiab cov chaw ntau pob.
Offshore thiab Marine Structures
Offshore platforms, tsho qauv, Arctic engineering tej yaam num, thiab chaw nres nkoj chaw.
Zog thiab Mining Kev Lag Luam
Cua turbine txhawb cov qauv, conveyor systems, thiab cov khoom siv mining.
Daim Ntawv Ceeb Toom Tseem Ceeb
S460QL1 yuav luag tsuas yog ua los ntawm steel phaj. Cov qauv siv xws li H- kab teeb, kab, thiab cov ces kaum tsis tshua muaj nyob hauv khw.
Piv txwv li Engineering
Nyob rau hauv ntug dej hiav txwv cov dej num ua haujlwm nyob rau sab qaum teb Europe thiab Arctic cheeb tsam (-50℃rau -60℃kev pabcuam kub), S460QL1 feem ntau xaiv vim nws lub zog siab tso cai rau cov neeg tsim qauv txo qhov hnyav txog li 15-20% piv nrog S355 steel thaum tswj kev ua tau zoo hauv qab -40 degree.
Vuam thiab Fabrication Guidelines
Vuam
S460QL1 muaj qhov zoo weldability thaum ua raws li cov txheej txheem.
- Preheating rau daim hlau tuab los tiv thaiv hydrogen-induced cracking
- Tswj cov cua kub nkag los khaws HAZ toughness
- Siv cov khoom siv tsawg- hydrogen consumables nrog qib sib piv
- Ua raws li EN 1011 vuam cov lus pom zoo
- Muaj cov txheej txheem vuam: SMAW, GMAW, FCAW, SAW
Kev ua haujlwm txias txias
Txias dabtsi yog khoov, xuas nrig ntaus, txiav plasma, nplaim taws txiav, thiab sib sau ua ke yog siv tau nrog kev txwv. Cov phaj tuab tuab yuav tsum tau ua kom muaj cua sov me ntsis, thiab qhov tsawg kawg yog khoov radii yuav tsum ua raws li cov lus pom zoo zeb.
Kev txiav cov kev xaiv muaj xws li nplaim taws txiav, plasma txiav, waterjet txiav, txiav txiav, ntug milling, thiab precision machining.
Kev kho cua sov
Kev kho cua sov ntxiv xws li normalizing lossis tag nrho re-quenching feem ntau tsis pom zoo vim tias nws tuaj yeem cuam tshuam rau cov khoom tiav thaum lub sijhawm qub quenching thiab tempering txheej txheem.
Cov nplaim taws ncaj ncaj hauv cheeb tsam me tau tso cai raws li kev tswj xyuas. Kev kho mob QT tag nrho theem nrab tuaj yeem txo qis -kub toughness.
Delivery State Standard
- Offline quenched thiab tempered tom qab tswj dov
- Raws li - dov, tua- blasted, los yog khw-primed nto xaiv
- Dimensional kam rau ua raws li EN 10029
Sib piv International Qib
| Txuj | Qib piv | Ntsiab lus |
|---|---|---|
| TS EN 10025-6 | S460 QL 1 | Base qib, -60℃Charpy cuam tshuam |
| GB/T 16270 | Q460F | Suav sib npaug (-60℃cuam tshuam) |
| ASTM | Tsis muaj qhov sib npaug ncaj qha | A1018 Qib 460 feem ntau yog lwm qhov ze tshaj plaws |
| JIS | Tsis muaj qhov sib npaug ncaj qha | Tsis sib piv QT cov qauv qib nrog -60℃cuam tshuam qhov yuav tsum tau ua |
Vim li cas thiaj xaiv S460QL1?
S460QL1 yog tsim los rau cov qauv uas yuav tsum tau tiv thaiv ob qho tib si kev ua haujlwm siab thiab tsis tshua muaj kub.
- 460 MPa yam tsawg kawg nkaus yield zog (t Tsawg dua los yog sib npaug rau 50mm)
- Guaranteed cuam tshuam toughness ntawm -60 degree
- Weldability zoo heev nrog tswj CEV
- Txo cov qauv hnyav thiab cov nqi tsim khoom
- Kev ua haujlwm ruaj khov qaug zog thiab yooj yim HIC tsis kam
Qhov kev sib xyaw ua ke no ua rau S460QL1 yog ib qho ntawm cov kev ntseeg siab tshaj plaws siab - lub zog muaj zog steels muaj rau kev thov kev siv engineering.
Tsis paub tseeb tias S460QL1 puas haum rau koj tus qauv?
GNEE Steel's engineering team muab adawb cov khoom xaiv thiab hnyav-txuag tsom xamraws li koj qhov kev thauj khoom thiab qhov ntsuas kub tsawg kawg nkaus. Xa koj qhov project luv luv - peb yuav teb tsis pub dhau 24 teev nrog kev sib piv ncaj qha rau S355 lossis S460Q.
Kev ntsuam xyuas kev kawm pub dawb
GNEE Steel Supply Capability
GNEE Steel muab S460QL1 steel daim hlau rau kev lag luam sab nrauv, kev tsim khoom hnyav, kev tsim kho choj, thiab cov phiaj xwm hluav taws xob thoob ntiaj teb.
- Thickness: 6-150 hli
- EN 10204 3.1 / 3.2 ntawv pov thawj muaj
- Kev xeem UT raws li EN 10160
- Xaiv tau S1, S2, thiab S3 qib tshuaj ntsuam xyuas
- Customized txiav, ntug milling, thiab machining cov kev pab cuam
- Optional DNV, BV, thiab ABS ntawv pov thawj
- Export -tus qauv tiv thaiv- xeb ntim
- Lub qhov rooj thoob ntiaj teb- mus rau - qhov rooj xa khoom
Nrog rau kev ua haujlwm rau cov neeg siv khoom hauv ntau tshaj 150 lub teb chaws thiab cheeb tsam, GNEE Steel muab kev txhawb nqa los ntawm kev xaiv cov khoom siv, kev sib tham vuam, ua cov lus pom zoo, thiab ua tiav qhov project.
Peb khaws ciacov khoom tsis tu ncua ntawm S460QL1 hauv 6-80mm thicknessesrau kev ceev ceev Arctic thiab offshore tej yaam num. Thov ibdawb qauv daim coupon(300 × 300 mm) nrog tag nrho EN 10204 Hom 3.1 daim ntawv pov thawj - tsis muaj nqi zais. Tsuas yog nug koj qhov xav tau thickness thiab qhov chaw nres nkoj.
FAQ
Qhov txawv ntawm S460QL thiab S460QL1 yog dab tsi?
Thawj qhov sib txawv yog qhov ntsuas qhov ntsuas kub. S460QL raug kuaj ntawm -40 degree, thaum S460QL1 raug kuaj ntawm -60 degree, ua S460QL1 zoo dua rau Arctic thiab huab cua txias.
Puas yog S460QL1 weldable?
Yog lawm. S460QL1 tuaj yeem welded siv SMAW, GMAW, FCAW, thiab SAW cov txheej txheem. Preheating thiab cua sov kom raug- tswj cov tswv yim yuav tsum tau siv raws li phaj thickness thiab cov nqi sib npaug carbon.
S460QL1 puas tuaj yeem hloov S355 steel?
Yog lawm. Hauv ntau daim ntawv thov, S460QL1 tuaj yeem hloov S355 steel thiab txo qhov hnyav tag nrho los ntawm 10-20% thaum tuav cov khoom sib npaug -cov kabmob muaj peev xwm. Kev txo qis zog rau cov phaj tuab yuav tsum tau xav txog thaum tsim.
Dab tsi yog kev lag luam feem ntau siv S460QL1?
S460QL1 yog dav siv nyob rau hauv offshore engineering, choj siv, mining khoom, cranes, cua zog tej yaam num, thiab hnyav structural fabrication.
Dab tsi ultrasonic soj ntsuam qib ua offshore tej yaam num xav tau?
Offshore thiab Arctic tej yaam num ib txwm yuav tsum tau EN 10160 S3 ultrasonic kuaj. Cov qauv kev ua haujlwm dav dav tuaj yeem txais S1 lossis S2 qib nyob ntawm qhov project specifications.
