Thaum qhia txog lub siab lub nkoj steel phaj raws li EN 10028-3 tus qauv, engineers thiab procurement cov kws tshaj lij feem ntau ntsib ob qib zoo sib xws:P355NH (1.0565) hlauthiab P355NL1 (1.0566) steel.
Thaum xub thawj siab ib muag, ob qho tib si zoo li no - cov nplej hlau zoo ib yam li zoo tib yam -lawv sib faib cov txiaj ntsig tsawg kawg nkaus, cov tshuaj sib xyaw ua ke, thiab cov kev siv hauv cov khoom siv welded siab.
Txawm li cas los xij, lawv qhov kev sib txawv tseem ceeb yog nyob rau hauv qis - qhov ntsuas kub tsis zoo, uas tuaj yeem cuam tshuam cov khoom xaiv rau cov haujlwm ua haujlwm hauv huab cua txias, cryogenic- cov kev pabcuam uas nyob ib sab, lossis nyob rau hauv qhov xwm txheej txias txias.
Xaiv tsis raug ntawmP355NH (1.0565) vs P355NL1 (1.0566)tuaj yeem ua rau tus nqi tsis tsim nyog overruns lossis, phem dua, cov khoom siv tsis haum rau cov kev pabcuam npaj.
Nkag siab P355NH (1.0565) Hlau thiab P355NL1 (1.0566) Hlau - Txheem thiab Tsim Kev Ua Haujlwm
Ua ntej dhia mus rau hauv kev sib txawv ntawm cov txuj ci, nws yog ib qho tseem ceeb uas yuav tau txiav txim siab seb qhov kev xaivP355NH (1.0565)thiabP355NL1 (1.0566)tiag tiag kos npe raws li EN 10028-3 tus qauv rau weldable nplua-grain siab nkoj steels. Ob chav kawm yog tib tsev neeg, tab sis qhov sib txawv me ntsis hauv lawv cov npe suffixes tuav tus yuam sij kom nkag siab txog lawv lub hnab ntawv kev pabcuam.
P355NH (1.0565) Hlau txhais li cas?
rhuav tshem covP355NH (1.0565)npe:
- P: Lub hom phiaj siab- qhia txog qib yog tsim tshwj xeeb thiab lees paub rau siab- muaj cov khoom siv
- 355: Yam tsawg kawg nkaus yield zog ntawm 355 MPa rau thicknesses txog 16 hli
- N: Kev xa khoom zoo li qub- lub phaj tau tswj cov cua sov siab tshaj qhov ntsuas kub tseem ceeb tom qab cua txias, ua kom zoo zoo, cov qauv zoo li qub
- H: High-kub khoom- cov khoom tsim nyog rau kev ua haujlwm siab - qhov kub thiab txias, nrog cov khoom siv kho qhov tseeb ntawm qhov kub txog li 400 degree
- 1.0565: Qhov tshwj xeeb steel naj npawb muab tso rau hauv European steel lej system
P355NL1 (1.0566) Hlau txhais li cas?
rhuav tshem covP355NL1 (1.0566)npe:
- P: Lub hom phiaj siab (ib yam li P355NH)
- 355: Yam tsawg kawg nkaus yield zog ntawm 355 MPa rau thicknesses txog 16 hli (tib yam li P355NH)
- N: Cov xwm txheej zoo li qub (ib yam li P355NH)
- L1: Tsawg-kub toughness tsim nyog ntawm -40℃-qhov no yog qhov tseem ceeb sib txawv
- 1.0566: Tus naj npawb hlau tshwj xeeb hauv European numbering system
Lub hauv paus ntsiab lus ntawm no yog:P355NH (1.0565)yog optimized rau elevated - qhov kub thiab txias kev pab cuam nrog rau kev ntsuam xyuas ntawm -20℃, thaumP355NL1 (1.0566)yog optimized rau qis - qhov kub thiab txias kev pab cuam nrog rau kev ntsuam xyuas ntawm -40℃. Lub hom phiaj tseem ceeb ntawm kev tsim no tsav txhua qhov kev sib txawv hauv qab ntawm qhov kev xav tau tshwj xeeb thiab kev thov kom haum.
Kev sib piv tshuaj sib piv ntawm P355NH (1.0565) Hlau vs P355NL1 (1.0566) Hlau
| Element | P355NH (1.0565) - Max % | P355NL1 (1.0566) - Max % | Sau ntawv |
|---|---|---|---|
| Cov pa roj carbon (C) | 0.18 | 0.18 | Tib yam txwv |
| Silicon (Si) | 0.50 | 0.50 | Tib yam txwv |
| Manganese (Mn) | 1.10 – 1.70 | 1.10 – 1.70 | Sib npaug ntau yam |
| Phosphorus (P) | 0.025 | 0.025 | Tib yam txwv |
| Sulfur (S) | 0.015 | 0.015 | Tib yam txwv |
| Chromium (Cr) | 0.30 | 0.30 | Tib yam txwv |
| Nickel (Ni) | 0.50 | 0.50 | Tib yam txwv |
| Molybdenum (hli) | 0.08 | 0.08 | Tib yam txwv |
| Niobium (Nb) | 0.05 | 0.05 | Tib yam txwv |
| Titanium (Ti) | 0.03 | 0.03 | Tib yam txwv |
| Vanadium (V) | 0.10 | 0.10 | Tib yam txwv |
| Nitrogen (N) | 0.012 | 0.012 | Tib yam txwv |
| Aluminium (Al) | 0.020 min | 0.020 min | Kev xav tau zoo ib yam |
| Copper (Cu) | 0.30 | 0.30 | Tib yam txwv |
| Nb + Ti + V | Tsawg dua lossis sib npaug li 0.12 | Tsawg dua lossis sib npaug li 0.12 | Zoo tib yam micro-alloy cap |
Chav Kub Mechanical Properties – P355NH (1.0565) vs P355NL1 (1.0566)
| Nominal Thickness (hli) | Min. Yield Strength ReH (MPa) – Ob Qib | Tensile Strength Rm (MPa) - Ob Qib | Min. Elongation A (%) - Ob Qib |
|---|---|---|---|
| Tsawg dua los yog sib npaug li 16 | 355 | 490 – 630 | 22 |
| 16> Tsawg dua los yog sib npaug li 40 | 345 | 490 – 630 | 22 |
| 40> Less tshaj los yog sib npaug rau 60 | 335 | 490 – 630 | 22 |
| 60> rau Less tshaj los yog sib npaug rau 100 | 315 | 470 – 610 | 21 |
| 100> rau Less dua los yog sib npaug rau 150 | 305 | 460 – 600 | 21 |
| 150> rau Tsawg dua lossis sib npaug li 250 | 295 | 450 – 590 | 21 |
Kev cuam tshuam rau lub zog - P355NH (1.0565) vs P355NL1 (1.0566)
| Parameter | P355NH (1.0565) | P355NL1 (1.0566) |
|---|---|---|
| Impact Test Temperature | -20 degree | -40 degree |
| Hom Min. Impact Energy (KV, J) – Transverse | 27 J | 27 J |
| Kev ntsuas kub kom pom tseeb | Nce temp. (txog ~ 400 degree) | Tsawg-kev pabcuam kub |
| Tsim Lub Hom Phiaj | Boilers, chav nruas, cov txheej txheem kub | Txias- cov hlab ntsha hauv cheeb tsam, cryogenic- cia nyob ib sab, qis- kev teeb tsa ambient |
Thaum Tsawg-Tsub Toughness Matters - Daim Ntawv Thov Kev Ua Si
Kev txhim kho qis -kub toughness ntawmP355NL1 (1.0566)ua qhov tseem ceeb hauv ntau qhov xwm txheej tshwj xeeb:
- Arctic thiab sub -Arctic installations: Cov hlab ntsha siab thiab cov tso tsheb hlau luam ua haujlwm hauv qhov kub thiab txias uas tuaj yeem poob qis dua -20 degree, qhov twg P355NH (1.0565) tsis muaj kev lav phib xaub toughness
- Cryogenic{0}}LPG cia nyob ib sab: Thaum tsis haum rau cov kev pabcuam cryogenic tag nrho (uas yuav tsum tau npib tsib xee- alloy steels lossis stainless hlau), P355NL1 (1.0566) tuaj yeem tswj cov cua txias txias uas tau ntsib hauv LPG spheres thiab cov mos txwv thaum muaj kev ntxhov siab
- Tub yees system Cheebtsam: Ammonia txais thiab lwm yam khoom siv siab hauv cov tub yees uas ua haujlwm kub ib txwm poob qis dua -20 degree
- Offshore thiab marine pressure khoom: North Hiav Txwv thiab lwm yam txias -dej offshore installations uas tsim cov cai tswj -40℃cuam tshuam kev tsim nyog
- Sudden depressurization scenarios: Txawm hais tias nyob rau hauv ib txwm muaj qhov kub thiab txias, kev ua pa sai sai ntawm cov pa roj- cov hlab ntsha tuaj yeem ua rau muaj cua txias hauv cheeb tsam-NL1 muab qhov dav dua kev nyab xeeb
Thaum nce siab -Temperature Stability Matters - P355NH Advantage
Hloov pauv,P355NH (1.0565)yog qhov kev xaiv raug yog thaum qhov kev pabcuam thawj zaug cuam tshuam nrog qhov kub thiab txias tsis yog qhov txias txias:
- Chav boiler nruas: Ua haujlwm ntawm 250-350℃nyob rau hauv kev nruam thermal load
- Industrial tshav kub exchangers: Siv cov txheej txheem kub ntawm 200-400 degree
- Lub zog cog siab Cheebtsam: Superheater headers thiab chav piping
- Chemical reactor hlab ntsha: Ua kom siab -kub synthesis txheej txheem
Lub npe "H" hauv P355NH qhia tau hais tias cov hlau tau raug tshwj xeeb rau cov cuab yeej cuab tam tuav ntawm qhov kub siab tshaj -ib yam ntxwv uas P355NL1 (1.0566) tsis nqa raws li lub hom phiaj tsim qauv, txawm hais tias nws yuav ua tau txaus nyob rau hauv ntau qhov siab -temperature.
Nqe thiab Muaj P355NH (1.0565) Hlau vs P355NL1 (1.0566) Hlau
Los ntawm kev xav txog kev yuav khoom,P355NH (1.0565) thiab P355NL1 (1.0566) steelMuaj thiab tus nqi tuaj yeem sib txawv:
P355NH (1.0565): Ntau ntau tsim thiab stocked thoob ntiaj teb vim nws txoj kev siv dav hauv kev tsim hluav taws xob thiab kev tsim cov hlab ntsha dav dav. Feem ntau yooj yim muaj nrog lub sij hawm luv luv.
P355NL1 (1.0566): Muaj tsawg dua NH vim nws qhov tshwj xeeb txias - kev pabcuam kev pabcuam. Tej zaum yuav nqa tus nqi qis qis hauv qee qhov kev lag luam, cuam tshuam txog kev tswj hwm cov txheej txheem ntxiv thiab xav tau ntau dua qhov kev xav tau ntawm kev sim.
GNEE Steel tuav cov khoom muag ntawm ob qib hauv cov qauv tuab (6 hli txog 150 hli) thiab tuaj yeem tsim los yog tsim cov phaj tuab raws li kev thov. Peb cov khoom siv qib ob qib - qib ua kom ntseeg tau tias cov neeg siv khoom tau txais tus nqi sib tw thiab xa khoom sai tsis hais qib twg lawv qhov project yuav tsum tau.
Phau Ntawv Qhia Xaiv Ceev – P355NH (1.0565) vs P355NL1 (1.0566)
| Xaiv Factor | Xaiv P355NH (1.0565) | Xaiv P355NL1 (1.0566) |
|---|---|---|
| Yam tsawg kawg nkaus tsim kub | Mus txog -20 degree | Mus txog -40 degree |
| Ua haujlwm kub siab tshaj plaws | Mus txog ~ 400 degree | Nce temp. ua tau tab sis tsis yog thawj lub hom phiaj tsim |
| Txias -kev nyab xeeb kev teeb tsa | Tsis pom zoo (hauv qab -20 degree) | Pom zoo heev |
| LPG / ammonia cia | Feem ntau tsis haum | Kev xaiv tsim nyog |
| Chav boiler kev pab | Kev xaiv zoo tshaj plaws | Txais tau tab sis yuav dhau - qhia |
| Tus nqi rhiab heev | Feem ntau kev lag luam | Yooj yim hwm rau txias toughness |
| Code yam tsawg kawg nkaus yuav tsum tau muaj | -20℃yog txaus | -40℃txoj cai |
Tsis txhob tso koj lub siab lub nkoj steel xaiv rau lub caij nyoog. Hu rau GNEE Steel hnub no.Xa peb koj cov lus qhia tshwj xeeb -qib, qhov ntev, qhov ntau, qhov chaw, thiab cov kev xav tau tshwj xeeb- thiab tau txais cov lus sib tw hauv cov xuab moos. Peb pab neeg yog npaj txhij los muab cov lus qhia, kev pom zoo ntawm cov khoom, thiab ua tiav cov ntaub ntawv pov thawj.
Thov koj daim ntawv tso cai pub dawb tam sim no thiab xaiv txoj cai ntawm P355NH thiab P355NL1 steel rau koj qhov project tom ntej.
P355NH khoom yog dab tsi?
P355NH yog aEN 10028-3 EN10028-3uas yog siv rau qhov kub thiab txias. Nws yog normalized thiab nplua grained nrog zoo weldability. Zoo li lwm cov qib siab ntawm cov hlab ntsha steel peb nqa cov khoom loj hauv Tshuag rau kev xa khoom sai.
P355 yog dab tsi?
P355NL steel yogib qho zoo- nplej, qis- hlau alloy muaj cov pa roj carbon ntau thiab tsawg leej faj. Siv nyob rau hauv daim ntawv thov uas xav tau siab tensile lub zog, feem ntau yog rau cov tshuab pressurized thiab boilers.
Lub zog tawm los ntawm P355NH yog dab tsi?
Khoom Piav Qhia. 1) Lus Cim: Hlau P355NH yog ib qho weldable zoo grained steel nrog lub zog tawm los ntawm max . 355 N / mm².
Dab tsi yog cov khoom specification 1.0565?
1.0565 yog EN tus lej txhais rau cov khoom no. P355NH yog EN chemical designation.Nws muaj lub zog embodied siab heev ntawm cov txheej txheem carbon lossis cov hlau tsis muaj hlau. Tsis tas li ntawd, nws muaj tus nqi qis qis thiab nruab nrab ntawm cov hluav taws xob hluav taws xob siab.
Dab tsi yog cov khoom specification 1.0566?
P355NL1/TStE355 (1.0566) yog ib qho zoo -cov khoom siv hlau uas muaj cov yam ntxwv ntawm nwshigh notch toughness thiab zoo heev weldability, ua rau nws tsim nyog rau kev siv qis -kub. Nws yog tsim los ua tau zoo nyob rau hauv siab, ua rau nws zoo tagnrho rau cov hlab ntsha siab thiab boiler kev tsim kho.
Qhov kev ntsuam xyuas cuam tshuam rau P355NL1 yog dab tsi?
Lub npe P355NL1 steel yeeb nkab qhia tau hais tias qhov no yog hlau rau siab lub hom phiaj (P) nrog tsawg kawg nkaus yield zog ntawm 355 MPa (355) uas yogQhov cuam tshuam kuaj hauv kev hloov pauv ntawm -40 ° C (NL1). P355NL1 steel tube cov khoom no tsuas yog siv los tsim cov boiler thiab lub nkoj siab.
Dab tsi yog ASME cov khoom sib npaug rau P355NL1?
Dab tsi yog cov khoom siv asme sib npaug rau P355NL1? ASME cov khoom sib npaug rau EN 10028-3 P355NL1 yogASME SA516 Qib 70.
