ASME SA612 steel phaj yog asiab- zog carbon-manganese- silicon steeltsim tshwj xeeb rau kev siv lub nkoj siab hauv nruab nrab thiab qis - qhov kub thiab txias. Ua raws li ASME SA612 / SA612M cov qauv (tag nrho sib npaug rau ASTM A612 / A612M), nws tau lees paub dav hauv kev lag luam thoob ntiaj teb rau nws qhov tshwj xeeb ua ke ntawm lub zog, toughness, thiab weldability. Raws li ib tug neeg muab kev ntseeg siab, GNEE muab SA612 steel daim hlau uas ua tau raws li cov kev cai thoob ntiaj teb nruj, ua haujlwm xws li petrochemicals, lub zog, thiab kev tsim khoom lag luam.
Cov yam ntxwv tseem ceeb ntawm SA612 Steel Phaj
SA612 qhov muaj npe nrov yog los ntawm nws cov khoom siv tshwj xeeb, haum rau qhov kev xav tau ntawm siab -siab, qis- cov khoom siv kub:
1. Siab -Kev Ua Tau Zoo
Yield zog: Ntau dua lossis sib npaug rau 345 MPa (50 ksi) thoob plaws txhua qhov tuab (tsawg dua lossis sib npaug rau 25mm tus qauv; mus txog 100mm kev cai), ntau tshaj li cov pa roj carbon hlau zoo tib yam.
Tensile zog: 560-725 MPa, kom ntseeg tau cov qauv kev ntseeg siab nyob rau hauv siab heev.
Cov txiaj ntsig: Ua kom lub teeb yuag tsim ntawm cov hlab ntsha siab, txo cov khoom siv thiab tag nrho cov khoom hnyav yam tsis muaj kev cuam tshuam txog kev nyab xeeb.
| Khoom | ASME SA612 |
|---|---|
| Yield zog | Ntau dua lossis sib npaug li 345 MPa |
| Tensile zog | 560-725 MPa |
| Elongation | Ua tau raws li ASME cov cai |
2. Superior Low-Tsub Toughness
Impact Resistance: Kev cuam tshuam kev cuam tshuam lub zog loj dua lossis sib npaug ntawm 27 J ntawm -40℃(ib tus qauv ASME), tswj kev ductility thiab tiv thaiv nkig tawg hauv kev ua haujlwm txias.
Kev thov kom haum: Qhov zoo tshaj plaws rau qis -kub cia tank, cov khoom siv cryogenic, thiab cov nkoj tawm sab nrauv / marine siab.
3. Zoo Weldability
Hom khoom: Tag nrho cov hlau tua (deoxidized ntawm LF + VD refining), txo porosity thiab inclusions hauv welds.
Vuam Compatibility: Tau tshaj txoj kev (SMAW, SAW, GTAW, GMAW) yam tsis muaj preheating rau nyias daim hlau (tsawg dua los yog sib npaug li 25 hli); qis- hydrogen consumables pom zoo kom tau txais txiaj ntsig zoo.
Ncej - Weld Performance: Welded pob qij txha khaws lub zog siab thiab toughness, tshem tawm qhov xav tau kev kho cua sov hauv feem ntau.
4. Kev tswj cov tshuaj lom neeg nruj
Cov ntsiab lus tseem ceebCov pa roj carbon monoxide (tsawg dua lossis sib npaug li 0.25%), manganese (1.00-1.50%), thiab silicon (0.15-0.50%) cov ntsiab lus sib npaug zog thiab weldability.
Impurity txwv: Phosphorus ( Tsawg dua lossis sib npaug li 0.035%) thiab sulfur ( Tsawg dua lossis sib npaug li 0.025%) txo qis kom txo qis thiab txhim kho corrosion.
Cov khoom seem: Tag nrho cov seem seem tsawg dua lossis sib npaug li 0.80%, ua kom cov khoom sib xws thiab kev ntseeg tau.
| Element | Cov ntsiab lus txwv |
|---|---|
| C (Carbon) | Tsawg dua lossis sib npaug li 0.25% |
| Si (Silicon) | 0.15-0.50% |
| Manganese (Mn) | 1.00-1.50% |
| P (phosphorus) | Tsawg dua lossis sib npaug li 0.035% |
| S (Sulfur) | Tsawg dua lossis sib npaug li 0.025% |
| Cu (kwv yees) | Tsawg dua lossis sib npaug li 0.35% |
| Ni (Nickel) | Tsawg dua lossis sib npaug li 0.25% |
| Cr (Chromium) | Tsawg dua lossis sib npaug li 0.25% |
| Molybdenum (zeeg) | Tsawg dua lossis sib npaug li 0.08% |
| V (Vanadium) | Tsawg dua lossis sib npaug li 0.08% |
5. Kev kho cua sov txheem
Kev Xa Khoom: Normalized (rhuab mus rau 890-}950 degree, tuav, ces cua txias), refining grain qauv rau uniform mechanical zog.
Quality Assurance: Cov txheej txheem kho cua sov tau soj ntsuam nruj me ntsis kom ua tau raws li ASME SA-20/SA-20M tus qauv, lav qhov sib xws ntawm batch-to-batch.
Cov ntawv thov ntawm SA612 Steel Phaj
SA612's versatility ua rau nws nyiam xaiv rautseem ceeb heev lub nkoj thiab cov khoom siv industrialnyob rau hauv ntau yam sectors:
1. Petrochemical & Tshuaj Kev Lag Luam
Siab - lub tank tso siab rau cov roj av, roj av liquefied (LPG), thiab tshuaj lom neeg nruab nrab.
Reactors, separators, thiab kub exchangers nyob rau hauv refineries thiab tshuaj nroj tsuag.
Pipeline Cheebtsam rau thauj corrosive lossis siab -kua kua.
2. Kev Siv Hluav Taws Xob
Muaj boilers thiab chav generators rau fais fab nroj tsuag (coal, natural gas, nuclear).
Cov hlab ntsha siab hauv cov phiaj xwm hluav taws xob tauj dua tshiab (piv txwv li, biogas cia, khoom siv hydrogen ntau lawm).
Thaum tshav kub kub rov qab lub tshuab hluav taws xob (HRSGs) hauv kev sib xyaw ua ke - lub zog hluav taws xob.
3. Lub Nroog Gas & Cryogenic Cia
Liquefied natural gas (LNG) cia tanks thiab thauj cov nkoj.
Lub nroog cov pa xa hluav taws xob thiab lub siab - lub tog raj kheej siab.
Cov khoom siv Cryogenic rau kev ua zaub mov, kev kho mob, thiab kev lag luam aerospace.
4. Metallurgical & Heavy Machinery
Siab - cov hlab ntsha siab rau cov txheej txheem metallurgical (xws li, blast furnace gas storage).
Hydraulic systems thiab siab Cheebtsam nyob rau hauv hnyav machinery.
Kev cai siab cov cuab yeej siv rau kev lag luam tshwj xeeb.
GNEE's SA612 Steel Phaj Supply Capabilities
Raws li lub tuam txhab ua lag luam ntawm siab hlab ntsha steel daim hlau, GNEE muab cov kev daws teeb meem rau SA612:
Thickness Ntau6mm-100mm (tus qauv: 6mm-25mm; kev cai thicknesses muaj).
Dav & Ntev: 1500mm-4800mm (dav) × 6000mm-18000mm (ntev); kev pabcuam txiav-rau-loj.
Kev Ua Raws Cai: ASME SA612/SA612M, ASTM A612/A612M, ISO, thiab cov neeg siv khoom- cov kev cai tshwj xeeb.
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 |