SA612 thiab A36 yog ob hom hlau sib txawv tsim los rau kev siv sib txawv.SIB 612yog asiab -lub zog siab lub nkoj steeltshwj xeeb tsim kho rau cov welded boilers thiab cov hlab ntsha siab ua haujlwm hauv nruab nrab - mus rau - qhov kub thiab txias ib puag ncig, thaumA36yog ageneral - hom phiaj steeldav siv nyob rau hauv kev tsim kho thiab kev fabrication uas tus nqi -effectiveness yog qhov tseem ceeb.
| Yam khoom | SA612 (ASTM A612 / ASME SA612) | ASTM A36 |
|---|---|---|
| Hom hlau | Siab Vessel Quality (PVQ) | Cov qauv carbon steel |
| Txoj Cai Tswjfwm | ASME Boiler & Pressure Vessel Code | Cov qauv qauv (ASTM) |
| Kev siv thawj zaug | Cov hlab ntsha siab, boilers | Tsev, choj, ncej |
Ntsiab Lus:
👉 A36 tsis pom zoo rau cov hlab ntsha siab, thaumSA612 yog tsim tshwj xeeb rau lawv.
Tshuaj muaj pes tsawg leeg
| Element | SA612 (%) | A36 (%) |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.25 | Tsawg dua lossis sib npaug li 0.29 |
| Manganese (Mn) | 1.00-1.50 | 0.80-1.20 |
| Silicon (Si) | 0.15-0.50 | Tsawg dua lossis sib npaug li 0.40 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.040 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.040 |
| Alloying Elements | Cu Less tshaj los yog sib npaug rau 0.35, Ni Tsawg dua los yog sib npaug rau 0.25, Cr Tsawg dua los yog sib npaug rau 0.25, Mo Less dua los yog sib npaug rau 0.08 | Tsis txhob txwm alloying |
| Carbon sib npaug | Tsawg dua lossis sib npaug li 0.48% | ~0.45% |
Mechanical Properties Sib piv
| Khoom | SIB 612 | A36 |
|---|---|---|
| Yam tsawg kawg nkaus Yield Strength | ~ 260 MPa (38 ksi) | 250 MPa (36 ksi) |
| Tensile zog | 485-620 MPa (70-90 ksi) | 400-550 MPa (58-80 ksi) |
| Lub zog sib xws | Tswj tau | Dav variation pub |
| Ntws Toughness | Zoo dua (tuaj yeem raug kuaj) | Tsis tau lav |
Weldability
| Feature | SIB 612 | A36 |
|---|---|---|
| Weldability | Zoo (PVQ txheej txheem) | Yooj yim heev |
| Preheating | Qee zaum yuav tsum tau (cov phaj tuab) | Tsis tshua xav tau |
| PWHT | Code-raws li | Tsis siv tau |
Thickness & Nyhav Optimization
SIB 612
Siab zog →nyias daim hlau tso cai
Txo lub nkoj hnyav
Txo vuam ntim
A36
Txo kev ntxhov siab
Yuav tsum taucov ntu tuab(yog tias kev siv siab txawm tso cai)
Daim ntawv thov -Kev sib piv tshwj xeeb
Thaum siv SA612:
Cov nkoj siab operating at >10 MPa siab
LNG Cia Tankyuav tsum tau qis -kev ua haujlwm kub (-40 degree)
High -siab boilershauv cov nroj tsuag muaj zog
Petrochemical reactorsthiab cov khoom siv ua haujlwm
Kua roj kho chav tsev(Resistant rau H₂S corrosion)
Cov ntawv thov uas txo qhov hnyav yog qhov tseem ceeb (thinner phab ntsa ua tau)
Thaum siv A36:
Kev tsim kho dav dav(tsev thav duab, kab teeb, kab)
Cov choj(kev txhawb nqa qauv, guardrails)
Machinery ncejthiab brackets
Daim phiajthiab anchor point
General fabricationqhov twg siab zog tsis tas yuav
Cov ntawv thov tseem ceeb ntawm kev lag luam tshaj qhov kev ua haujlwm tshwj xeeb
Yuav A36 Hloov SA612?
❌ Tsis muaj.
ASTM A36 Txuj:
Yogtsis yog ASME - teevrau cov hlab ntsha siab
Tsis muaj toughness guarantees
Tsis ua raws cai rau kev pabcuam siab
Siv A36 hloov SA612 hauv lub nkoj siab yogtsis nyab xeeb thiab tsis ua raws li -.
Xaus
SA612 thiab A36 tsis hloov pauv.
- SIB 612yog asiab -lub zog, ASME- pom zoo siab lub nkoj steeltsim los rau kev nyab xeeb, lub zog, thiab kev ua haujlwm zoo.
- A36yog aGeneral qauv hlau, tsis tsim nyog rau kev tswj lub siab.
RauASME SA612 steel daim hlau nrog MTC tag nrho, xaiv qhov kev ntsuam xyuas, thiab xa khoom thoob ntiaj teb, GNEE STEELmuab cov khoom ruaj khov thiab kev txhawb nqa rau kev ua haujlwm siab lub nkoj thoob ntiaj teb.
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
Cov khoom siv SA 612 yog dab tsi?
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 Cov 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 cov kev cai 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 pab cuam 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 haujlwm ua haujlwm ib txwm muaj.
Q345R puas tuaj yeem siv los hloov SA612?
Q345R tuaj yeem siv los hloov pauv hauv qee qhov kev ua haujlwm tsis yog -ASME cov haujlwm. Txawm li cas los xij, kev hloov pauv tsis pom zoo rau cov phiaj xwm 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 siab 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 |