P460Qyog lub siab - zoo siab lub nkoj steel uas boasts zoo heev siab zog thiab superior toughness, ua rau nws muaj kev ntseeg siab nyob rau hauv load- bearing thiab siab- resistant scenarios. Nws yog tsuas yog siv nyob rau hauv kev tsim cov khoom tseem ceeb xws li cov hlab ntsha siab, boiler nruas, thiab kub exchangers, uas yog dav siv nyob rau hauv industrial teb. Cov hlau no nruj me ntsis ua raws li cov qauv kev lag luam thoob ntiaj teb thiab kev lag luam, ua tau raws li kev ruaj ntseg, ruaj khov, thiab kev ua tau zoo hauv kev ua haujlwm hnyav.
qhov ntev
Thickness ntau- 6 hli txog 150 hli- Thickness kam rau ua raws li EN 10029 Class A lossis Class B.
Dav dav- 1500 hli txog 3000 hli- Qee lub mills tuaj yeem muab qhov dav txog 3500 hli los ntawm kev txiav txim tshwj xeeb.
Ntev ntau- 6000mm txog 12000mm - Kev cai ntev yog muaj raws li cov neeg siv khoom xav tau.
Tej qhov ntev rau daim hlau10 × 2000 × 8000 mm– 20 × 2500 × 10000 mm– 40 × 3000 × 12000 mm– 80 × 3000 × 12000 hli
P460Q Boiler Phaj Steel Chemical Composition:
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Cu | Zr | B |
| max 0.18 | max 0.5 hli | max 1.7 Nws | max1 ua | max 0.025 | max 0.01 Nws | max 0.5 hli | max 0.5 hli | max 0.08 Nws | max 0.015 | max 0.05 Nws | max 0.03 Nws | max 0.3 hli | max 0.05 Nws | max 0.005 Nws |
P460Q Boiler Zoo Steel Mechanical Properties:
| Nominal thickness (hli): | rau 100 | 100 - 150 |
| Rm - Tensile zog (MPa) (+ QT) | 550-720 | 500-670 |
| Nominal thickness (hli): | rau 50 | 50 - 100 | 100 - 150 |
| ReH - Yam tsawg kawg nkaus tawm lub zog (MPa) (+ QT) | 460 | 440 | 400 |
| KV - Impact zog (J) transverse, (+QT) | -20 degree 27 |
0 degree 40 |
+20 degree 60 |
| Ib - Min. elongation ntawm pob txha (%) (+ QT) | 19 |
ua
Quenching thiab Tempering (Q & T) txheej txheem
P460Q yog raug rau quenching ntawm kwv yees li 900℃tom qab tempering ntawm 550-650 degree. Qhov kev kho cua sov no kho cov microstructure rau hauv tempered sorbite, kom ntseeg tau tias muaj zog yield zog, zoo ductility, thiab zoo heev low-kub toughness.
Microalloying Technology
Cov hlau yog alloyed nrog cov ntsiab lus xws li niobium, vanadium, thiab titanium. Cov microalloys no tsim cov precipitates uas inhibit grain loj hlob thaum lub sij hawm cua sov thiab txhim kho lub zog tsis txhob txo weldability los yog toughness.
Tswj Rolling and Controlled Cooling (TMCP)
Thaum lub sij hawm kub dov, cov hlau yog ua tiav nyob rau hauv ib tug nruj tswj kub ntau yam. Kev ua kom txias txias tom qab ua kom zoo dua cov qauv nplej, txhim kho cov khoom siv kho tshuab, thiab ua rau cov khoom siv lub zog siab - rau - qhov hnyav piv.
Strict Welding thiab Fabrication txheej txheem
P460Q siv tsawg- cov qauv tsim cov pa roj carbon sib npaug thiab kev tswj xyuas ua ntej kom txo qis qhov kev pheej hmoo ntawm kev tawg. Cov txheej txheem vuam xws li submerged arc vuam (SAW) thiab roj hlau arc vuam (GMAW) feem ntau siv, ua kom muaj kev ruaj ntseg hauv cov qauv loj.
Qhov zoo ntawm P460Q Steel
Superior Siab zog
Nws muaj qhov tsawg kawg nkaus lub zog ntawm 460 MPa thiab lub zog tensile ntawm 550-720 MPa, nrog lub zog siab - rau - qhov hnyav piv uas txo cov qauv hnyav li ntawm 30% piv nrog S355 steel, zoo tagnrho rau lub teeb yuag tsim ntawm cov qauv hnyav.
Zoo heev Low-Tsub Toughness
Cov hlau ua kom muaj Charpy cuam tshuam lub zog ntawm ntau dua lossis sib npaug ntawm 40 J ntawm -20 degree, tswj kev ua haujlwm ruaj khov hauv qhov kub thiab txias thiab tsis txhob tawg tawg hauv kev ua haujlwm hnyav.
Zoo Weldability
Nrog qis carbon sib npaug (CEV Tsawg dua lossis sib npaug ntawm 0.45, Pcm Tsawg dua lossis sib npaug rau 0.23) thiab micro- alloy tsim, nws txo qis qhov kev pheej hmoo ntawm vuam cov kab nrib pleb, ua kom yooj yim rau ntawm - qhov chaw vuam thiab sib dhos tsis muaj txheej txheem preheating.
Muaj zog qaug zog & kev ua tau zoo
Nws tiv taus kev qaug zog zoo nyob rau hauv dynamic loads, haum rau crane thiab choj qauv. Nws kuj muaj cov cuab yeej khoov txias zoo (khoov vojvoog Ntau dua lossis sib npaug ntawm 5 × phaj thickness) thiab tuaj yeem ua tiav rau hauv ntau yam tsis muaj kev tawg.
daim ntawv thov
Offshore thiab marine qauv
P460Q feem ntau yog siv nyob rau hauv offshore platforms, tsho, riser kev txhawb nqa, thiab shipbuilding Cheebtsam vim nws lub zog siab, zoo toughness, thiab zoo weldability, uas ua kom muaj kev ncaj ncees nyob rau hauv hnyav marine ib puag ncig thiab dynamic loading tej yam kev mob.
Siab hlab ntsha thiab boilers
Ua tsaug rau nws cov txiaj ntsig zoo thiab kev nkag siab zoo, P460Q yog qhov tsim nyog rau kev tsim cov hlab ntsha siab, cov tso tsheb hlau luam, thiab cov khoom siv boiler uas ua haujlwm nyob rau hauv siab thiab kub, pab txo cov phab ntsa thickness thiab tag nrho qhov hnyav.
Heavy engineering thiab kev tsim kho tshuab
Nws yog siv dav hauv cranes loj, kev txhawb nqa hydraulic, thiab hnyav - lub luag haujlwm tshuab thav duab, qhov twg nws lub zog siab - rau - qhov hnyav piv txhim kho kev nqa lub peev xwm thiab kev ruaj ntseg thaum txo cov khoom hnyav.
Cov choj thiab loj - ncua kev
P460Q yog siv rau hauv kev tsim kho ntawm qhov ntev - ncua txuas txuas, arch txuas hniav, thiab steel trusses, muab siab load- bearing muaj peev xwm, zoo qaug zog, thiab txhim khu kev qha kev ua tau zoo nyob rau hauv cov huab cua sib txawv thiab tsheb thauj khoom.
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
Txoj kev tshuaj xyuas dab tsi yog siv rau P460Q tom qab vuam?
Tom qab vuam, P460Q welds feem ntau raug tshuaj xyuas los ntawm qhov tsis yog -kev kuaj kev puas tsuaj, xws li kev kuaj ultrasonic (UT), kuaj hluav taws xob (RT) thiab kuaj cov hlau nplaum sib nqus (MT), txhawm rau txheeb xyuas qhov tsis xws luag sab hauv thiab saum npoo.
Dab tsi yog qhov cuam tshuam lub zog xav tau ntawm P460Q?
Lub zog cuam tshuam ntawm P460Q (Charpy V-notch) feem ntau tsis tsawg dua 30 J ntawm 20℃. Qhov no ua kom cov hlau muaj toughness txaus los tiv thaiv kev cuam tshuam tam sim ntawd hauv kev pabcuam.
P460Q puas tuaj yeem siv rau hauv cov khoom siv roj thiab roj?
P460Q tuaj yeem siv rau hauv qee cov khoom siv roj thiab roj av, xws li cov hlab ntsha thiab cov kav dej. Rau cov ntug dej hiav txwv uas raug dej ntsev, ntxiv los tiv thaiv - kev ntsuas corrosion lossis marine- qib steel yog xav tau.
Lub thermal conductivity ntawm P460Q yog dab tsi?
Lub thermal conductivity ntawm P460Q yog hais txog 45 W / (m·K) ntawm chav tsev kub, zoo ib yam li lwm yam qis - alloy steels. Qhov no parameter yog ib qho tseem ceeb rau kev ntsuas kub hloov hauv boiler thiab kub exchanger tsim.
Dab tsi yog qhov qaug zog tiv thaiv ntawm P460Q?
P460Q muaj qhov ua rau qaug zog zoo, uas yog ib qho tseem ceeb rau cov khoom siv los ntawm kev sib tw. Kev kho cua sov kom zoo thiab kev ua tiav saum npoo tuaj yeem txhim kho nws lub neej qaug zog ntxiv, kom ntseeg tau ntev - lub sijhawm ua haujlwm ruaj khov.
Puas yog P460Q tiv taus corrosion?
P460Q muaj qhov yooj yim corrosion kuj nyob rau hauv ib puag ncig zoo tib yam, tab sis tsis nyob rau hauv hnyav corrosive xov xwm zoo li muaj zog acids thiab alkalis. Nyob rau hauv ib puag ncig zoo li no, corrosion- cov coatings resistant los yog alloy steels yuav tsum tau siv.
Dab tsi yog qhov coefficient ntawm thermal expansion ntawm P460Q?
Lub coefficient ntawm thermal expansion ntawm P460Q yog hais txog 11.5 × 10⁻⁶ /℃(chaw kub txog 500 degree). Tus nqi no yog siv los xam cov thermal deformation ntawm cov khoom siv thaum lub sij hawm cua sov thiab txias txheej txheem.
Dab tsi yog qhov ceev ntawm P460Q?
Qhov ceev ntawm P460Q yog hais txog 7.85 g / cm³, tib yam li cov pa roj carbon zoo tib yam thiab feem ntau qis- alloy steels. Tus nqi ntom ntom no yog siv dav hauv kev xam qhov hnyav thiab kev tsim cov khoom siv.
P460Q puas tuaj yeem welded nrog carbon hlau?
Yog lawm, P460Q tuaj yeem welded nrog carbon steel siv cov khoom siv vuam tsim nyog thiab cov txheej txheem. Txawm li cas los xij, kev saib xyuas yuav tsum tau them rau qhov sib piv ntawm lub zog weld thiab kev tswj ntawm vuam cua sov input kom tsis txhob muaj kev sib koom ua ke.
Lub khw xav tau P460Q yog dab tsi?
Kev lag luam xav tau rau P460Q yog qhov ruaj khov, feem ntau yog tsav los ntawm kev txhim kho ntawm petrochemical, lub zog tsim hluav taws xob thiab kev lag luam tshuaj. Nrog rau kev nthuav dav ntawm kev lag luam infrastructure, nws qhov kev thov yuav tsum nyob ruaj khov rau yav tom ntej.