P690Qyog lub siab -lub zog quenched thiab tempered alloy structural steel. Nws muaj cov khoom siv kho tshuab zoo heev, suav nrog lub zog tensile siab thiab toughness, dav siv hauv cov tshuab hnyav, cov qauv tsim vaj tsev thiab lwm qhov chaw uas yuav tsum tau muaj kev thauj khoom siab -cov kabmob muaj peev xwm.
P690Q steel specifications
P690Q yog lub zog muaj zog cov qauv siv feem ntau siv hauv kev thov kev lag luam uas yuav tsum muaj kev sib txuas zoo thiab kev ua haujlwm nyob rau hauv siab.
Txheem:TS EN 10028-6
Daim ntawv thov:Siv rau lub tsev boilers, siab hlab ntsha, reactors, tshav kub exchangers, separators, thiab cia tanks nyob rau hauv kev lag luam xws li roj av, tshuaj, thiab hluav taws xob tsim.
Mechanical Properties:Qib qib "690Q" qhia qhov tsawg kawg nkaus tawm lub zog ntawm 690 MPa rau daim hlau txog li 50mm tuab.
Kev kho cua sov:Nws yog tsim los ua quenched thiab tempered steel.
Yam Qib:Lwm cov qib zoo hauv tus qauv suav nrog P690QH, P690QL1, thiab P690QL2, uas qhia meej qhov sib txawv qis- qhov ntsuas kub ntawm qhov yuav tsum tau ua (xws li QL2 yog kuaj ntawm -60℃).
Cov cuab yeej cuab tam rau P690Q steel phaj:
| Thickness (hli) | |||
| P690Q | Tsawg dua los yog sib npaug li 50 | >50 Tsawg dua los yog sib npaug rau 100 | > 100 |
| Yield zog (Ntau dua lossis sib npaug rau Mpa) | 690 | 670 | 630 |
| Tsawg dua los yog sib npaug li 100 | > 100 | ||
| Tensile zog (Mpa) | 770-940 | 720-900 | |
Tshuaj muaj pes tsawg leeg rau P690Q steel phaj
| Cov ntsiab lus tseem ceeb ntawm P690Q steel phaj | |||||||
| C | Si | Mn | P | S | B | N | Cr |
| 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.005 | 0.015 | 1.50 |
| Cu | Mo | Nb | Ni | Ti | V | Zr | |
| 0.30 | 0.70 | 0.06 | 2.50 | 0.05 | 0.12 | 0.15 | |
qhov zoo
• Siab zog:
P690Q muab cov txiaj ntsig zoo thiab lub zog tensile, tso cai rau cov neeg tsim khoom kom txo cov khoom tuab thaum tswj kev ua haujlwm zoo. Qhov no ua rau cov khoom sib dua thiab qhov hnyav tag nrho, uas yog tshwj xeeb tshaj yog rau cov hlab ntsha siab, boilers, thiab cov tshuab hnyav.
• Zoo toughness nyob rau hauv qis kub:
Cov hlau tuav lub siab tawv txawm tias nyob rau hauv qhov chaw txias, txo qhov kev pheej hmoo ntawm nkig tawg. Qhov no ua rau nws tsim nyog rau cov ntawv thov hauv thaj chaw offshore, huab cua txias, thiab lwm yam kev pabcuam kub qis.
• Weldability zoo heev:
P690Q tuaj yeem txuas tau yooj yim siv cov txheej txheem kev lag luam thaum ua raws li cov txheej txheem. Nws cov weldability yooj yim fabrication, txo lub sij hawm ntau lawm, thiab xyuas kom meej tias welded pob qij txha khaws zoo txhua yam khoom.
• Kev ua haujlwm ruaj khov thiab txhim khu kev qha:
Los ntawm kev tswj cov tshuaj muaj pes tsawg leeg thiab quenched-and-tempered kev kho cua sov, P690Q ua tiav ib qho zoo-grain microstructure uas muab kev ua haujlwm zoo ib yam. Qhov kev ruaj ntseg no yog qhov tseem ceeb rau cov khoom tseem ceeb uas xav tau kev nyab xeeb mus ntev thiab kav ntev.
• Zoo tiv taus rau qaug zog thiab hnav:
Cov khoom siv lub zog thiab tawv tawv kuj tseem ua rau kom muaj kev qaug zog thiab kev hnav zoo, ua rau nws tsim nyog rau kev siv hnyav thiab kev siv zog xws li crane booms thiab hydraulic thooj voos kheej kheej.
Daim ntawv thov
Cov Khoom Siv Hluav Taws Xob thiab Boilers:
Nws yog cov khoom siv zoo tshaj plaws rau kev tsim cov hlab ntsha siab, boilers, thiab cov khoom siv hluav taws xob siv hauv petrochemical, thermal zog, thiab tshuaj ua lag luam. Cov khoom no feem ntau ua haujlwm nyob rau hauv kev kub siab thiab kub hloov pauv, thiab P690Q lub zog zoo thiab tawv tawv kom muaj kev nyab xeeb thiab ruaj khov ua haujlwm ntev.
Offshore thiab Marine Engineering:
Nyob rau hauv ntug dej hiav txwv roj thiab roj av tshawb nrhiav platforms, nkoj hulls, thiab marine pipelines, P690Q yog siv los tiv thaiv cov marine ib puag ncig hnyav xws li dej ntsev corrosion, kub tsis tshua muaj, thiab muaj zog cua loads. Nws tsis kam mus nkig tawg ntawm qhov kub thiab txias thiab weldability zoo ua rau nws haum rau cov khoom siv sab nrauv uas xav tau kev ntseeg siab.
Heavy Machinery thiab Kev Tsim Kho:
Nws yog siv rau hauv kev tsim cov tshuab hnyav, xws li excavator caj npab, crane booms, thiab hydraulic thooj voos kheej kheej, nrog rau loj - nplai kev tsim qauv xws li txuas hniav thiab chaw ntau pob. Lub zog siab ntawm P690Q tso cai rau kev tsim cov khoom sib dua thiab sib zog ua ke yam tsis muaj kev cuam tshuam cov qauv kev ncaj ncees, txo cov khoom hnyav tag nrho thiab txhim kho kev ua haujlwm.
Nuclear fais fab kev lag luam:
Qee cov koom haum pabcuam hauv nuclear fais fab nroj tsuag, xws li cov kav dej siab thiab cov tso tsheb hlau luam, kuj tau txais P690Q. Nws ua tau raws li qhov xav tau kev nyab xeeb nruj ntawm kev lag luam nuclear, muab kev ua haujlwm ruaj khov nyob rau hauv kev kub siab thiab hluav taws xob ib puag ncig.
Yog xav paub ntxiv txog GNEE cov khoom siv hlau, tiv tauj peb ntawm beam@gneesteelgroup.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
Yuav khaws P690Q steel daim hlau li cas?
P690Q steel daim hlau yuav tsum muab cia rau hauv qhov chaw qhuav, zoo -ventilated warehouse kom tsis txhob ya raws thiab xeb. Lawv yuav tsum tau muab tso rau ntawm qhov chaw tiaj tus nrog ib qho kev ncua deb ntawm hauv av, thiab tsis txhob sib cuag nrog cov khoom corrosive.
Daim ntawv thov ntawm P690Q yog dab tsi hauv kev tsim choj?
Hauv kev tsim choj, P690Q yog siv los tsim choj girders, piers, thiab lwm yam tseem ceeb. Nws lub zog siab tuaj yeem txo qhov hnyav ntawm cov qauv, txuag cov ntaub ntawv, thiab xyuas kom tus choj tus kabmob muaj peev xwm thiab kev pabcuam lub neej.
Dab tsi yog qhov cuam tshuam toughness tus nqi ntawm P690Q ntawm qhov kub thiab txias?
Ntawm -20 degree, Charpy V-notch cuam tshuam toughness ntawm P690Q feem ntau tsis tsawg dua 30J. Qhov no ua kom ntseeg tau tias nws tsis ua nkig thiab tuaj yeem tiv thaiv qhov cuam tshuam ntawm qhov chaw qis qis xws li thaj chaw txias.
P690Q puas tuaj yeem siv rau hauv siab -cov kav xa dej siab?
Yog lawm, P690Q yog qhov tsim nyog rau siab -cov kav xa dej siab. Nws lub zog tensile siab thiab zoo toughness tuaj yeem tiv taus qhov siab ntawm qhov nruab nrab (xws li roj, roj), kom ntseeg tau qhov nruj thiab kev nyab xeeb ntawm cov kav dej.
Qhov txawv ntawm P690Q thiab Q690 steel yog dab tsi?
P690Q yog European tus qauv hlau, thaum Q690 yog Suav tus qauv (GB / T 1591) hlau. Lawv muaj lub zog tensile zoo sib xws, tab sis muaj qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg, qhov yuav tsum tau muaj zog, thiab cov qauv kev sim vim muaj cov txheej txheem sib txawv.
Yuav ua li cas txhim kho qhov weldability ntawm P690Q?
Txhawm rau txhim kho qhov vuam ntawm P690Q, preheating lub hauv paus hlau rau 80-150℃ua ntej vuam, siv qis- hydrogen vuam electrodes lossis cov xov hlau, tswj vuam tam sim no thiab ceev, thiab ua haujlwm tom qab vuam kub kho kom tshem tawm cov kev ntxhov siab vuam yog qhov ntsuas tau zoo.
Dab tsi yog microstructure ntawm P690Q tom qab kev kho cua sov?
Tom qab quenching thiab tempering, P690Q muaj tempered martensite los yog bainite microstructure. Qhov no microstructure muab nws lub zog siab thiab zoo toughness, ntsuas cov khoom siv kho tshuab uas xav tau rau kev siv engineering.
Lub neej kev pab cuam ntawm P690Q yog dab tsi hauv kev ua haujlwm dav dav?
Raws li kev teeb tsa, kev siv, thiab kev saib xyuas, lub neej kev pab cuam ntawm P690Q cov khoom tuaj yeem ncav cuag 15-20 xyoo lossis ntau dua. Nws lub siab ua haujlwm ntev thiab corrosion kuj txo qhov hnav thiab kev laus, ua kom muaj kev ruaj ntseg mus ntev.
P690Q puas tuaj yeem siv rau hauv kev tsim cov crane booms?
Yog lawm, P690Q yog dav siv los tsim crane booms. Nws lub zog siab tuaj yeem ua rau hnyav hnyav ntawm lub crane thaum lub sij hawm hoisting, thiab zoo toughness tuaj yeem tiv taus qhov cuam tshuam, ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm lub boom thaum ua haujlwm.
Dab tsi yog qhov tseem ceeb ntawm kev tswj cov ntsiab lus hauv kev tsim P690Q?
Cov ntsiab lus tseem ceeb ntawm kev tswj hwm zoo suav nrog kev tswj xyuas cov tshuaj muaj pes tsawg leeg, kev kho cua sov thiab lub sijhawm, kev kuaj xyuas txhua yam thiab microstructure, thiab tshuaj xyuas qhov zoo ntawm qhov chaw kom tsis txhob muaj qhov tsis xws luag xws li cov kab nrib pleb thiab suav nrog.