Dab tsi yog daim ntawv thov rau SPV 355 steel?
SIB 355steel (JIS G3115 SPV355) yog lub nkoj siab thiab boiler phaj siv rau siab - cov khoom kub xws lireactors, kub exchangers, thiab cia tank, tshwj xeeb tshaj yog nyob rau hauv cov roj av, tshuaj, thiab fais fab kev lag luam, muab lub zog zoo, weldability, thiab toughness rau cov kev nyuaj, nrog rau cov kev siv cryogenic. Nws cov ntawv thov txuas ntxiv musgas cia, separators, boiler nruas, thiab siab -piping siabrau tej yaam num xws li hydropower chaw nres tsheb, tsim cov khoom ruaj khov rau qhov xav tau ib puag ncig.
SPV 355 yog anruab nrab mus rau siab -lub zog, qis- hlau alloytsim los ua haujlwm hauv qabsiab -siab thiab siab - kubtej yam kev mob. Nws raug cais raws liJIS G3115thiab muab ibtensile zogntawm355 MPa rau. SPV 355 feem ntau siv rau hauvcov hlab ntsha siab, boilers, kub exchangers, thiabcov kav dejhla kev lag luam xws litshuaj, petrochemical, thiabtsim hluav taws xob. Nws yog tshwj xeeb muaj nuj nqis rau nwscreep kujthiabtawvnyob rau hauv kev xav tau ib puag ncig.
Cov yam ntxwv tseem ceeb
Siab zog: SPV 355 has atensile zogntawm355 MPa rau, ua kom nws cov txiaj ntsig zoo nyob rau nruab nrab - mus rau - siab - ib puag ncig siab.
Thaum tshav kub kub Resistance: Ua tau zoo hauv qabthermal stress, nrogtxhim khu kev qha kev ua tau zoomus txog450℃-500 degree, xyuas kom nws durability nyob rau hauvboilersthiabkub exchangers.
Corrosion Resistance: Cov khoom pov thawjzoo oxidation tsis kamnyob rau hauv siab - qhov kub thiab txias ib puag ncig, tiv thaiv scaling thiab degradation ntawm cov khoom.
Weldability: SPV 355 yog yooj yim welded siv cov txheej txheem txheej txheem xws liTIG, MIG, thiabSMAWvim nws tswjcarbon sib npaug.
Toughness: Muab qhov zoo tshaj plawscuam tshuam tsis kamntawm ob qho tib si ambient thiab siab kub, ua kom siab -kev ntseeg tau.
Decoding lub npe
SPV: Sawv rauTshwj xeeb Pressure Vessel, qhia nws tsim rausiab -siabkev siv hauvboilers, kub exchangers, thiabcov hlab ntsha siab.
355: Xa mus rauyam tsawg kawg nkaus tensile zogntawm355 MPa rau, kom ntseeg tau lub zog thiab kav ntev hauv kev siv nrog cov neeg kho tshuab siab.
Lub npe qhia tias SPV 355 yog hlauoptimized rau nruab nrab - mus rau - siab siabthiabsiab -kev pabcuam kub, feem ntau siv hauvtsim hluav taws xob, tshuaj, thiabpetrochemical kev lag luam.
Kev sib piv
SIB 355yog zoo tagnrho raunruab nrab - cov ntawv thov siabxav kom zoozogthiabkub tsis kam. Nws yog dav siv nyob rau hauv tus qauvmuaj boilers, kub exchangers, thiabcov hlab ntsha siab.
SIB 450, nrog nwssiab tensile zogthiab zoo duakub tsis kam, yog qhov kev xaiv zoo tshaj plaws rau kev xav tau ntau duasiab -siabthiabsiab -kubkev siv, tshwj xeeb tshaj yog nyob rau hauv kev lag luam tseem ceeb xws litshuajthiabpetrochemical.
Cov ntawv thov siv
Cov nkoj siab: Siv hauvcov hlab ntsha siabhla kev lag luam xws litshuajthiabtsim hluav taws xob, SIB 355ua kom ntev -kev ua tau zoo nyob rau hauvsiab -xwm txheej.
Boilers: SPV 355 feem ntau siv hauvmuaj boilersuas ua haujlwm hauv qabsiab kubthiab xav tau siabthermal stability.
Thaum tshav kub kub Exchangers: Zoo tagnrho rau siv hauvkub exchangersuas tuavsiab -kub dejrau kev lag luam xws lipetrochemicalthiablub zog tsim.
Cov kav dej: SPV 355 feem ntau siv hauvcov kav dejuas thaujroj, gas, thiabchav, muab lub zog thiabcorrosion kujnyob rau hauv nruab nrab - mus rau - kub siab tej yam kev mob.
Cov qauv dab tsi npog SPV 355?
SPV 355 feem ntau yog tswj hwm los ntawmJIS G3115tus qauv hauv Nyij Pooj, uas txhais cov khoom siv lub zog, kev kho cua sov, thiab kev siv. Nws kuj yogsib npaug rauthoob ntiaj teb cov qauv xws liASME SA-516, uas qhia cov ntaub ntawv rau kev siv lub nkoj siab, thiabTS EN 10028-2, uas npog cov khoom tiaj tus rau cov khoom siv siab.
Dab tsi yog qhov ntsuas kub rau SPV 355?
SPV 355 ua haujlwm zoo ntawm qhov kub thiab txias mus txog450℃rau 500 degree, uas yog ib txwm rau ntauhigh -kub siv kev lag luam. Qhov ntsuas kub no tso cai rau nws tiv taus cov kev ntxhov siab ntawmchav boilersthiabcov hlab ntsha siabuas ua haujlwm hauv ib puag ncig zoo li no. Nws qhov kev ua tau zoo tseem zoo ib yam txawm tias hauv qabthermal cycling, ua kom muaj kev pheej hmoo tsawg kawg ntawm kev ua tsis tiav nyob rau hauv ib puag ncig uas muaj kev hloov pauv kub heev.
Lub zog tawm ntawm SPV 355 yog dab tsi?
SPV 355 muaj araug yield zogib ncig235 MPa rau, uas yog txaus rau cov ntawv thov uas koom nrogsiab nruab nrab. Qhov kev tawm dag zog no qhia tau hais tias cov hlau tuaj yeem tiv taus kev ntxhov siab ntau yam tsis muaj deformation mus tas li, muab kev ua haujlwm ruaj khov nyob rau hauv ob qho tib si static thiab dynamic loading.
JIS{0}}SPV355
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Thickness (mm) | Kev ntxhov siab (Mpa) | Tensile stress (Mpa) | Elongation (%) |
|---|---|---|---|---|---|---|---|---|
| Tsawg dua los yog sib npaug li 0.2 | 0.15-0.55 | Tsawg dua los yog sib npaug rau 1.6 | Tsawg dua los yog sib npaug li 0.03 | Tsawg dua los yog sib npaug li 0.03 | 6 Tsawg dua lossis sib npaug t Tsawg dua lossis sib npaug rau 50 | Ntau dua lossis sib npaug rau 355 | 520-640 | Ntau dua lossis sib npaug li 21 |
SPV355 Mechanical Property
| Qib | SPV355 Mechanical Property |
|||
| Thickness | Yield | Tensile | Elongation | |
| SPV355 | mm | Min Mpa | Mpa | Tsawg% |
| 6-50 | 355 | 490-610 | 14% | |
| 50-100 | 355 | 490-610 | 18% | |
| 100-200 | 315 | 490-610 | 21% | |
1. SPV 355 steel yog dab tsi?
SPV 355 yog aqis- hlau alloytsim tshwj xeeb rau kev ua haujlwm siab - daim ntawv thov hauvcov hlab ntsha siab, boilers, thiabkub exchangers. Nws exhibits ib tug high℃ntawmzogthiabtawvob obsiab -kubthiabsiab -siabtej yam kev mob. Cov hlau muaj pes tsawg leeg muaj xws li cov khoom xws lichromium (Cr), Molybdenum (Mo), thiabnpib tsib xee (Ni)los txhim kho cov khoom xws lioxidation tsis kamthiabcreep kuj, uas yog ib qho tseem ceeb nyob rau hauv siab - qhov kub thiab txias qhov chaw ib puag ncig ntawm lub zog tsim hluav taws xob thiab petrochemical kev lag luam.
2. SPV 355 puas tuaj yeem welded?
Yog lawm, SPV 355 yog heevweldable. Nws tuaj yeem welded siv cov txheej txheem txheej txheem xws liSMAW(Shielded Hlau Arc Vuam),MIG(Metal Inert Gas), thiabTIG(Tungsten Inert Gas) vuam. Txawm li cas los xij, kom tsis txhob muaj teeb meem xws li tawg, tshwj xeeb tshaj yog nyob rau hauv cov ntu tuab,preheatingfeem ntau pom zoo. Rau tuab weldments,post-weld kev kho cua sov (PWHT)tuaj yeem pab txo qis kev ntxhov siab thiab txhim kho cov hlau cov khoom siv kho tshuab.
3. SPV 355 piv rau SPV 490 li cas?
SPV 355 muaj qis duatensile zog(355 MPa) piv rauSIB 490(490 MPa), ua rau SPV 490 zoo dua rau cov ntawv thov uas suav nrogsiab duathiabkub heev. Thaum SPV 355 txaus raunruab nrab - cov ntawv thov siab, SIB 490zoo dua rau scenarios qhov twgsystem siabtshaj 355 MPa, xws li hauvchav generatorsthiabcov hlab ntsha siabrau siab -kev siv kub.
4. SPV 355 ua li cas?
SPV 355 feem ntau yogkub- dovthiab ces raug rautswj kev kho cua sovnyiamnormalizinglos yogtemperinglos kho cov khoom siv microstructure. Cov txheej txheem no pab txhim kho cov hlaugrain qauv, kom ntseeg tau tias nws muaj qhov zoo heevmechanical zogxws litensile zog, cuam tshuam toughness, thiabcreep kujnyob rau hauv siab kub.
5. Puas yog SPV 355 tiv taus corrosion?
Thaum SPV 355 muaj qhov zoooxidation tsis kam, tshwj xeeb hauvchavthiabsiab -kubib puag ncig, nws yogtsis tag resistantkom txhoj puab heev corrosive ntsiab zoo lichlorideslos yogsulfur compounds. Nyob rau hauv ib puag ncig uas raug rau cov corrosive agents,ntxiv kev tiv thaiv, xws li coatings lossis alloying nrog cov ntsiab lus chromium siab dua, yuav tsim nyog los tiv thaiv cov khoom degradation.
6. Dab tsi yog qhov tseem ceeb hardness rau SPV 355?
Covtawvntawm SPV 355 feem ntau ntog hauv qhov ntau ntawm170–210 IB(Brinell hardness). Qhov hardness no zoo - haum rau cov ntawv thov kev lag luam uas cov khoom yuav tsum tiv taus hnav thiab tsim kua muag thaum khaws cov ductility txaus los tswj cov thermal stresses thiab mechanical loads.
7. Qhov elongation ntawm SPV 355 yog dab tsi?
Covelongationntawm SPV 355 feem ntau yog nyob ntawm19% mus rau 24%, nyob ntawm yam xws lituabthiabKev kho cua sov. Qib no elongation muab qhov zooductilityrau kev sib sau thiab vuam, ua kom haum raucov hlab ntsha siabthiab lwm yam kev siv uas yuav tsum tau ib tug℃ntawm deformation tsis ua hauj lwm.
Yog tias koj muaj qhov project xav tau rauSPV355, peb txais tos koj nug. GNEE tuav cov khoom lag luam loj uas feem ntau siv cov qib siab zog steel rau koj xaiv.Rau cov ncauj lus kom ntxaws cov khoom siv, tshuaj muaj pes tsawg leeg, thiab cov ntaub ntawv kev, nrog rau cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw, ruaj khov zoo, thiab kev pabcuam tshaj lij. Email: info@gneesteels.com
