GNEE Steel's SA612 steel phajyog lub siab - lub zog carbon steel phaj tshwj xeeb tsim los rau lub nkoj siab thiab boiler fabrication nyob rau hauv nruab nrab mus rau qis kub kev pab cuam tej yam kev mob. Nws conforms rauASME SA612/ASTM A612Lub siab lub nkoj zoo cov qauv thiab yog dav siv nyob rau hauv welded siab cov cuab yeej vim nws zoo heev mechanical zog thiab weldability.
Khoom Txheej txheem cej luam
SA612 yog atag nrho -kua carbon-manganese- silicon (C-Mn-Si) steel, txhais tau hais tias nws yog deoxidized tag nrho thaum lub sij hawm tsim khoom los xyuas kom meej ib tug zoo, uniform grain qauv thiab txhim kho toughness - tshwj xeeb tshaj yog ib qho tseem ceeb rau welded sib dhos thiab qis - kub kev pab cuam.
Cov yam ntxwv tseem ceeb
1. Muaj zog thiab tawv
SA612 steel muabsiab tensile thiab yield zog, ua rau nws haum rau welded siab hlab ntsha Cheebtsam nyob rau hauv lub siab thiab sib txawv kub.
2. Weldability zoo heev
Nws tswj cov tshuaj lom neeg muaj pes tsawg leeg thiab cov qauv nplej zoo kom ntseeg tau tias muaj kev ntseeg tau zoo siv cov txheej txheem vuam ntau- zoo tagnrho rau kev tsim cov hlab ntsha.
3. Kev Pabcuam Nruab Nrab mus rau qis
Engineered raunruab nrab thiab qis kub tej yam kev mob, SA612 tuav cov khoom muaj zog thiab tawv tawv ntawm cov kev tswj hwm no.
4. Siab Vessel Quality (PVQ)
Cov khoom sib ntsibsiab hlab ntsha zoo qauvthiab niaj hnub siv rau welded boilers thiab cov hlab ntsha hauv petrochemical thiab lub zog kev lag luam.
Hom tshuaj muaj pes tsawg leeg
Txawm hais tias qhov tseeb muaj peev xwm sib txawv me ntsis los ntawm tus neeg muag khoom thiab kev tsim qauv, SA612 daim hlau feem ntau suav nrog:
Cov pa roj carbon (C):Tsawg dua lossis sib npaug li 0.25%
Manganese (Mn): ~1.0–1.5%
Silicon (Si): ~0.15–0.50%
Qib qis ntawm P thiab S
Optional alloying ntsiab (Cu, Ni, Cr, Mo, V)nyob ntawm spec thiab daim ntawv thov.
Mechanical Properties
Kev ua tau zoo txhua yam (nws txawv nrog tuab thiab kev kho cua sov) suav nrog:
Yield zog:Ntau dua lossis sib npaug ~ 345 MPa
Tensile zog:~ 560-725 MPa
Zoo elongation thiab toughnessrau txhim khu kev qha siab ntim thiab fabrication kev ua tau zoo.
Daim ntawv thov
SA612 steel phaj yog dav siv nyob rau hauv kev lag luam uas yuav tsum tau robust siab- muaj cov qauv, xws li:
Boiler thiab siab hlab ntsha fabrication
Industrial cia thiab ua cov tank
Thaum tshav kub kub exchangers thiab piping systems
Petrochemical thiab refining khoom
Nruab nrab mus rau qis kub welded qauv
Cov ntawv thov no tau txais txiaj ntsig los ntawm SA612 kev sib xyaw ua ke ntawm lub zog, weldability, thiab kev cia siab rau kev ua haujlwm nyob rau hauv siab.
Kev Xa Khoom
GNEE tuaj yeem muab SA612 daim hlau hauv ntau yam raws li qhov yuav tsum tau ua ntawm qhov project:
Raws li - dov
Li qub
Li qub thiab kev nyuaj siab -relieved
Kev kho deg, tiv thaiv- xeb txheej, lossis ntim tshwj xeeb kuj tuaj yeem ntxiv rau ib qho kev thov.
GNEE Steel kuj muab ntau yam boilers thiab siab nkoj steel daim hlau, xws li A204 Qib B, A515 Qib 70, A537 Chav Kawm 1, SA387 Qib 11 Chav Kawm 1, P265GH, S537 Chav Kawm 2, P355Q, P275N, P355N, P69R lwm yam yog tias koj xav paub ntau ntxiv, steel daim hlau, koj tuaj yeem hu rau kev sab laj tus xovtooj ntawm +8615824687445 lossis xa email rauru@gneesteelgroup.com. Koj tuaj yeem sab laj nrog peb, thiab peb txaus siab los teb koj cov lus nug.
FAQ
Dab tsi yog cov khoom siv SA 612?
carbon-manganese-silicon steel phaj
SA612 raug tua carbon-manganese-silicon steel phaj ua rau cov hlab ntsha siab. Nws cov nplej zoo ua rau nws tsim nyog siv rau hauv nruab nrab thiab qis qhov kub thiab txias qhov kev cuam tshuam qhov tseem ceeb.
Dab tsi yog qhov muaj pes tsawg leeg ntawm ASTM A612?
ASTM A612 steel phaj yog siab -lub zog qis- alloy (HSLA) steel phaj tsim rau welded siab hlab ntsha. Nws muaj cov nominal muaj pes tsawg leeg ntawm carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, thiab tooj liab.
A612 steel yog dab tsi?
ASTM A612 specification yog Standard Specification rau Siab Vessel Phaj, Carbon Steel, Siab zog, rau nruab nrab thiab qis kub kev pab cuam. ASTM A612 encompasses carbon-manganese-silicon steel daim hlau npaj rau siv nyob rau hauv welded siab hlab ntsha rau nruab nrab thiab kub kev pab cuam.
Puas yog SA612 thiab A612 Steel Phaj yog tib yam khoom? Dab tsi yog qhov txawv ntawm Core?
Lawv yog tib hom hlau phaj. ASTM A612 yog cov qauv khoom siv, thaum ASME SA612 yog qhov tsim los tom qab ASTM A612 tau muab tso rau hauv ASME Boiler & Pressure Vessel Code, tshwj xeeb rau kev tsim cov khoom siv siab -cov kabmob.
Dab tsi yog Cov Qauv Txheej Txheem rau SA612 / A612 Steel Phaj? Puas muaj qhov txawv ntawm ASTM thiab ASME Versions?
Cov qauv kev tswj hwm yog ASTM A612 / A612M thiab ASME SA612. Tsis muaj qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm ob lub qauv; qhov sib txawv tsuas yog nyob rau hauv lawv cov txheej txheem siv tau.
Dab tsi yog Qib Sib npaug ntawm SA612 / A612 hauv Suav thiab European Cov Qauv? Lawv puas tuaj yeem siv los hloov pauv ncaj qha?
Cov qib sib npaug sib npaug suav nrog EN P355GH, DIN 1.0473, thiab GB Q345R. Txawm li cas los xij, lawv tsis tuaj yeem siv los ua qhov sib npaug ncaj qha. Lawv qhov kev tsim nyog yuav tsum raug lees paub raws li cov qauv tsim thiab kev pom zoo.
Dab tsi yog qhov Yield Strength thiab Tensile Strength ntawm SA612 / A612? Lawv puas txawv nrog txawv tuab?
Qhov tsawg kawg nkaus tawm lub zog ntawm SA612 yog kwv yees li 260 MPa, thiab nws lub zog tensile yog li ntawm 485-620 MPa. Raws li lub thickness nce, qhov tso cai tsawg kawg nkaus lub zog tuaj yeem txo qis me ntsis.
Dab tsi yog qhov qis -Tsuas Qhov Kev Ntsuas Hluav Taws Xob rau SA612/A612? Puas yog Cov Kev Xav Tau ntawm -40℃thiab -45℃Raws li?
Cov qauv feem ntau yuav tsum muaj kev cuam tshuam ntawm -40 degree, thaum kuaj ntawm -45℃tsis tas yuav tsum tau ua. Yog tias ib qhov project qhia txog qhov ntsuas -45 degree, yuav tsum tau kuaj xyuas qhov cuam tshuam ntxiv thiab qhia meej meej hauv daim ntawv cog lus.
Dab tsi yog qhov tsawg kawg nkaus thiab siab kawg kev pabcuam kub rau SA612/A612?
Qhov kev pom zoo qhov ntsuas kub tsawg kawg yog kwv yees li -40 degree, thiab qhov siab tshaj plaws kev khiav hauj lwm kub yog feem ntau nyob ib ncig ntawm 400 degree, nyob ntawm seb tus qauv tsim thiab kev pabcuam nruab nrab.
Dab tsi yog Carbon sib npaug ntawm ASME SA612? Puas yog Preheating yuav tsum tau rau Vuam?
Cov pa roj carbon sib npaug feem ntau yog nyob ib ncig ntawm 0.42-0.45. Preheating ntawm 50-120℃yog pom zoo rau vuam nruab nrab thiab tuab daim hlau. Cov khoom siv vuam siv feem ntau suav nrog qis-hydrogen electrodes xws li E7018 thiab E7016.
Dab tsi yog qhov niaj hnub Thickness Range ntawm SA612 / A612, thiab Dab tsi yog qhov siab tshaj plaws Customizable Thickness?
Lub thickness niaj hnub yog 6-100 hli. Qee cov hlau mills tuaj yeem muab cov thicknesses customized txog li 150 hli, raws li kev pom zoo ntawm lawv cov dov thiab kev kho cua sov.
Dab tsi yog Cov Txheej Txheem Kev Xa Khoom rau SA612 / A612?
Cov xwm txheej kev xa khoom muaj xws li As -Rolled (AR), Normalized (N), thiab Normalized + Tempered (N + T), nrog rau cov xwm txheej zoo li qub yog siv dav tshaj plaws.
Dab tsi yog Machinability ntawm SA612? Puas yog nws yooj yim rau kev tawg?
SA612 nthuav tawm kev txiav thiab khoov zoo heev. Thaum ua tiav nrog cov txheej txheem tsim nyog thiab preheating, nws tsis yog qhov ua rau tawg.
Dab tsi yog Qhov Zoo Tshaj Plaws rau Tsawg-Kev Siv Kub: SA612 lossis SA516 Gr.70?
SA612 muab kev ua haujlwm ruaj khov ntau dua hauv cov phaj tuab thiab siab - kev ntxhov siab ua haujlwm, thaum SA516 Gr.70 muab cov nqi zoo dua - ua haujlwm tau zoo hauv cov kev ua haujlwm zoo.
Q345R puas tuaj yeem siv los hloov SA612?
Q345R tuaj yeem siv los hloov pauv hauv qee qhov kev ua haujlwm rau tsis yog -ASME cov haujlwm. Txawm li cas los xij, kev hloov pauv tsis pom zoo rau cov haujlwm xa tawm lossis cov xwm txheej uas SA612 yog qhov yuav tsum tau ua los ntawm cov lus qhia tshwj xeeb.
Qhov txawv ntawm SA612 thiab SA537 Cl.2 yog dab tsi?
SA537 Cl.2 boasts lub zog ntau dua thiab qis -kev ua haujlwm kub tab sis los nrog tus nqi siab dua SA612. Nws tsim nyog rau kev ua haujlwm hnyav dua.
Puas yog SA612 Vessel Phaj haum rau LNG Cia Tank?
SA612 tsis pom zoo rau thawj LNG cia tso tsheb hlau luam ua haujlwm ntawm -162℃, tab sis nws tuaj yeem siv rau hauv LNG auxiliary systems lossis nruab nrab - mus rau qis qis.
Dab tsi yog Hydrogen -Induced Cracking (HIC) Resistance ntawm SA612 Steel Phaj?
Tus qauv SA612 tsis tso cai rau HIC cov cai. Rau cov ntawv thov uas muaj leej faj- muaj cov xov xwm, kho kom haum tsawg -sulfur thiab qis-phosphorus SA612 daim hlau yuav tsum tau siv, nrog rau kev kuaj HIC.
| Lwm cov hlau phaj los ntawm GNEE | ||||
| Lub npe | Khoom siv | Specification (hli) | Tos | Lus ceeb toom |
| Clad steel phaj | P265GH+410,S355JR+410,A516Gr70+316, A537CL1+304L,Q235B+304L,Q345B+304, A516Gr70(NACE)+410,A537CL1+904L, A537CL1+316L,A516Gr70+304L,A537CL1+304 ,A516Gr70+410,A516Gr70+904L |
2-300mm (raws li phaj), 1-50mm (Composited phaj) | / | UT, AR, TMCP.Normalized, Quenched thiab Tempered, Z Direction Test, Charpy V-Ntch impact TestThe Third Party Test, Coated or Shot Blasting and Painting. |
| Tsawg Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Pressure Vessel Plate | A204 Qib B, A515 Qib 70, A537 Chav Kawm 1, SA387 Qib 11 Chav Kawm 1, P265GH, S537 Chav Kawm 2, P355Q, P275N, P355N, P690Q, Q345R, | 3 - 300 | 8650 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| High-Plate muaj zog | A514 Qib F, A572 Qib 50, A588 Qib A, S355JR, S690Q, SS400, S690QL, Q345B, Q345E | 8 - 120 | 3086.352 | Quenched thiab tempered |
| Hnav-Resistant Phaj | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched thiab tempered |
| Nkoj Phaj | ABS AH32, ABS DH32, ABS EH32, ABS FH36, ASTM A131 A, ASTM A131 EH32, ASTM A131 AH36, CCS A, CCS AH32, LR AH32, DNV A36, BV AH32 |
8 - 200 | 2853.621 | Kub dov, normalized, kub dov tswj dov, quenched thiab tempered + toughness thiab brittleness |