Siab Vessel Steel Qib Qhia Kev Sib Piv (ASTM, EN, GB & Equivalent Chart)
Nyob rau hauv lub ntiaj teb no industrial mov saw, xaiv txoj caiSiab Vessel Quality (PVQ)steel yog ib qho tseem ceeb rau kev nyab xeeb thiab kav ntev ntawm boilers, tshav kub exchangers, thiab cia tank. Vim tias thaj chaw sib txawv ua raws cov lej sib txawv ntawm engineering-ASTM / ASME(Americas/International),TS EN 10028(Tebchaws Europe), thiabwb 713(Tuam Tshoj)- nkag siab txog qhov sib piv cov qhab nia li cas yog qhov tseem ceeb rau cov kws tshaj lij thiab cov kws tshaj lij kev muag khoom.
Phau ntawv qhia no muab qhov sib piv ntawm cov qib siab ntawm cov hlab ntsha steel, cov kev qhia tshwj xeeb, thiab kev sib raug zoo sib xws.
1. Cov yam ntxwv tseem ceeb ntawm Siab Vessel Quality (PVQ) Hlau
Piv nrog rau cov qauv steel qauv, PVQ steel yog tsim nyob rau hauv kev txhim kho kev tswj kom tau raws li cov kev cai nruj ntawm siab - siab fabrication. Nws cov txiaj ntsig tseem ceeb suav nrog:
Siab zog:Tsim los tswj cov txheej txheem kev ncaj ncees nyob rau hauv lub siab thiab kub.
Zoo heev Toughness:Kev tiv thaiv siab tiv thaiv kom tsis txhob muaj kev puas tsuaj rau brittle tsis ua hauj lwm.
Strict Chemical Control:Kev txwv rau impurities xws li Sulfur thiab Phosphorus los xyuas kom meej purity.
Txhim kho Weldability:Tsawg carbon sib npaug rau kev yooj yim ntawm fabrication.
Corrosion Resistance:Feem ntau alloyed tiv taus oxidation thiab corrosive tshuaj.
Strict Quality Standards:Kev sim nruj (UT, HIC, Impact) kom ua raws li cov cai kev nyab xeeb.
Daim ntawv thov Versatility:Haum rau txhua yam los ntawm cryogenic LNG tso tsheb hlau luam mus rau siab -cov cua kub reactors.
2.Kev soj ntsuam kev lag luam: Cov qauv thoob ntiaj teb & kev siv hauv cheeb tsam
Txhawm rau kom ntseeg tau tias kev sib raug zoo thoob ntiaj teb thiab kev nyab xeeb, cov khoom siv ntawm cov hlab ntsha siab yog cov txheej txheem los ntawm cov txheej txheem thoob ntiaj teb. Kev ua lag luam feem ntau muab faib los ntawm qhov chaw nyob, cov ntawv pov thawj (xws li ASME vs. PED), thiab cov ntawv thov kev lag luam tshwj xeeb.
ASTM / ASME (Lub Ntiaj Teb Tus Qauv rau Roj & Roj)
Cov Kev Lag Luam Tseem Ceeb:North thiab South America, Southeast Asia, thiab Middle East (GCC cheeb tsam).
Hom phiaj project:Feem ntau nyob rau hauv ASME-cov haujlwm taw qhia, tshwj xeeb hauv cov roj av thiab roj av, cov chaw tsim khoom, thiab cov nroj tsuag petrochemical uas xav tau ASME "U" stamp.
Hom Qib:
Carbon Steel (Moderate / Low Temp):ASTM A516 (Gr. 60, 65, 70), ASTM A515 (Gr. 60, 70), ASTM A285 Gr. C.
Siab-Strength (Fine-Grain):ASTM A537 (Class 1, Chav Kawm 2).
Alloy Steel (High Temp / Creep):ASTM A387 (Gr. 11, Gr. 22, Gr. 91), ASTM A204 (Gr. A, B, C).
Cryogenic Steel (Nickel{0}}Alloy):ASTM A203 (Gr. A, B, D, E).
EN 10028 (Tebchaws Europe & PED-Certified Projects)
Cov Kev Lag Luam Tseem Ceeb:Teb chaws Europe, Africa, thiab thoob ntiaj teb EPC (Engineering, Procurement, and Construction) tej yaam num coj los ntawm cov tuam txhab European.
Hom phiaj project:Yuav tsum tau rau tej yaam num yuav tsum tauPED (Cov Lus Qhia Cov Khoom Siv Siab)Kev ua raws cai thiab CE cim.
Hom Qib:
Tsis yog-Alloy (Boiler Steel):P235GH, P265GH, P295GH, P355GH.
Fine-Nqaij (Tsuas Kub/High Strength):P275NH/NL1, P355NH/NL1/NL2, P460NH.
Alloy Steel (siab kub):16Mo3, 13CrMo4-5, 10CrMo9-10.
GB / GB / T (Lub Ntiaj Teb Export Supply Chain)
Cov Kev Lag Luam Tseem Ceeb: China domestic market, and global sourcing via Chinese mills for infrastructure projects in Asia, Africa, and CIS countries.
Hom phiaj project:Tus nqi siab heev-zoo rau loj- nplai boiler kev tsim khoom thiab cov khoom siv thoob ntiaj teb siv cov chaw tsim khoom hauv Suav teb.
Hom Qib:
Boiler & Vessel (Carbon):GB 713 Q245R, Q300R, Q345R (Ceeb Toom: Q345R yog qib export tshaj plaws).
Tsawg- Kev Pabcuam Kub:GB 3531 16MnDR, 09MnNiDR.
Hlau alloy:GB 713 15CrMoR, 12Cr2Mo1R, 14Cr1MoR.
Kev Pom Kev Xaiv Ceev:
Rau Asmeskas & Middle East:QhiaASTM A516 Gr 1..
Rau EU & Africa:QhiaTS EN 10028 P355GH.
Rau Tus Nqi -Kev Pabcuam Ntiaj Teb Zoo:QhiaGB 713 Q345R(uas feem ntau ua tau raws li A516 Gr. 70 txhua yam khoom).
Daim ntawv qhia no piv Yield/Tensile lub zog, cuam tshuam lub zog, thiab txheeb xyuas cov qib sib npaug thoob ntiaj teb cov lej.
| Standard Qeb | Qib | Tawm / Tensile (MPa) | Impact Toughness | Temp Range | International sib npaug |
| Nruab nrab Temp | A516 Gr . 60 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 220 / 415–550 |
27J @ -20 degree |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 455 degree |
P265GH / Q245R |
| (Boiler / Tank) | A516 Gr . 70 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 260 / 485–620 |
27J @ -20 degree |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 455 degree |
P355GH / Q345R |
| P265GH |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 265 / 410–530 |
27J @ 20 degree |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 450 degree |
A516 Gr{1}} / Q245R | |
| Q345R |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 345 / 490–610 |
34j:0 qib |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 450 degree |
A516 Gr. 70 / P355GH | |
| Siab zog | A537 Cl . 1 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 345 / 485–620 |
Li qub |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 450 degree |
P355NH / Q345R |
| (Zoo-Nplooj) | A537 Cl . 2 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 415 / 550–690 |
Q + T (siab) |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 450 degree |
P355NL2 / Q370R |
| P355 NL 2 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 355 / 490–630 |
27J @ -50 degree |
Tsawg dua lossis sib npaug Less dua lossis sib npaug -50 degree |
A537 Chav Kawm 2 / 16MnDR | |
| P460 NH |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 460 / 570–730 |
-20℃cuam tshuam |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 450 degree |
A612 / Q420R | |
| Hlau alloy | A387 Gr . 11 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 275 / 485–620 |
Cr-Mo Alloy |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 600 degree |
13CrMo4-5 / 15CrMoR |
| (High Temp) | A387 Gr . 22 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 310 / 620–760 |
Cr-Mo Alloy |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 620 degree |
10CrMo9-10 / 12Cr2Mo1R |
| 16 hmo 3 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 280 / 450–600 |
Mo Alloy |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 600 degree |
A204 gr. B / 12CrMo | |
| A387 Gr . 91 |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 415 / 585–760 |
Siab Creep |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 650 degree |
X10CrMoVNb9-1 | |
| Cryogenic | A203 gr. E |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 275 / 485–620 |
3.5% npib tsib xee |
Tsawg dua lossis sib npaug Less dua lossis sib npaug -101 degree |
12Ni14/09MnNiDR |
| (Low Temp) | 16 MnDR |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 255 / 470–640 |
41J @ -20 degree |
Tsawg dua lossis sib npaug Less dua lossis sib npaug -40 degree |
A516 Gr. 70 (kuaj) |
| A285 gr. C |
Ntau tshaj los yog sib npaug rau Greater dua los yog sib npaug 205 / 380–515 |
Tsawg zog |
Tsawg dua lossis sib npaug Less dua lossis sib npaug 400 degree |
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Tshuaj muaj pes tsawg leeg ntawm Cov Ntsiab Lus Siab Vessel Steel Qib
Hauv qab no yog tus sawv cev tshuaj muaj pes tsawg leeg sib piv ntawm cov qib siab ntawm cov hlab ntsha steel:
| Qib | C | Mn | Si | P | S | Cr | Mo | Ni | Sau ntawv |
| A516 Gr.60 | 0.21 | 0.55–1.30 | Tsawg dua los yog sib npaug li 0.40 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.035 | – | – | – | Cov pa roj carbon steel |
| A516 Gr.70 | 0.27 | 0.85–1.20 | Tsawg dua los yog sib npaug li 0.40 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.035 | – | – | – | Muaj zog version ntawm A516 Gr.60 |
| A387 Gr.11 | 0.12–0.20 | 0.30–0.60 | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.035 | 1.00–1.50 | 0.44–0.65 | – | Cr-Mo alloy steel |
| P265GH | Tsawg dua los yog sib npaug li 0.20 | 0.80–1.60 | Tsawg dua los yog sib npaug li 0.40 | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.020 | – | – | – | EN tsis yog{0}} alloy boiler steel |
| P355GH | Tsawg dua lossis sib npaug li 0.22 | 1.00–1.70 | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.020 | – | – | – | Siab zog EN qib |
| Q245R | Tsawg dua los yog sib npaug li 0.20 | Tsawg dua lossis sib npaug rau 1.20 | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.015 | – | – | – | Suav std, A516 Gr.60 equiv. |
| Q345R | Tsawg dua los yog sib npaug li 0.20 | Tsawg dua lossis sib npaug li 1.70 | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.015 | – | – | – | Kaw rau A516 Gr.70 |
3. Siab Vessel Steel Equivalent Grade Chart (ASTM vs. EN vs. GB)
| Pab Pawg | ASTM / ASME (Asmeskas) | EN 10028 (Tebchaws Europe) | GB Standard (Tuam Tshoj) | Cov ntawv thov tseem ceeb |
| Nruab nrab Temp | ASTM A516 Gr 1. | P265GH | Q245R | Standard boilers & chav nruas |
| (Boiler / Tank) | ASTM A516 Gr 1. | P295 HWM | Q300R | Cov hlab ntsha nruab nrab siab |
| ASTM A516 Gr 1. | P355GH | Q345R | Siab - cov tso tsheb hlau luam siab, cov khoom siv hluav taws xob hloov pauv | |
| ASTM A515 Gr 1. | P355GH | Q345R | Nruab nrab / siab dua -temp boilers | |
| ASTM A285 Gr. C | P235GH | (kwv yees) Q245R | Tsawg- lub tank cia siab | |
| Siab zog | ASTM A537 Qib 1 | P355 NH | Q345R (Normalized) | Hnyav-cov hlab ntsa, nplua- nplej |
| (Zoo-Nplooj) | ASTM A537 Qib 2 | P355 NL 2 | Q370R / 16MnDR | Quenched & Tempered (Q + T) nkoj |
| ASTM A612 Cov Lus Qhia Tshwj Xeeb | P460 NH | Q420R | Siab - lub zog thauj roj tank | |
| Hlau alloy | ASTM A204 Gr. B | 16 hmo 3 | 12 CrMo | Molybdenum alloy rau chav piping |
| (High Temp) | ASTM A387 Gr 1. | 13CrMo4-5 | 15 CrMoR | Chrome-Moly rau refineries |
| ASTM A387 Gr 1. | 10CrMo9-10 | 12Cr2Mo1R | Cov reactors tseem ceeb, nuclear fais fab | |
| ASTM A387 Gr 1. | 13CrMo4-5 | 14Cr1MoR | Nruab nrab siab -temp kev pabcuam | |
| ASTM A387 Gr 1. | X10CrMoVNb9-1 | 10Cr9Mo1VNb | Ultra{0}} kub boilers | |
| Cryogenic | ASTM A516 Gr . 70 (TSI) | P355NL1 | 16 MnDR | LPG cia (-40℃kev pabcuam) |
| (Low Temp) | ASTM A203 Gr. E | 12 Nxe14 | 09 MnNiDR | 3.5% Nickel{1}} alloy rau LNG |
| ASTM A 353 3 | x8n 9 | 06 DR 9 | 9% Nickel steel rau qhov txias txias |
Tswv yim Sourcing Insights rau buyers:
Kev sib raug zoo "A516-70 / Q345R":
Nyob rau hauv lub ntiaj teb no export lag luam,Q345Ryog qib kawm suav muaj dav tshaj plaws. Nws feem ntau tau ntawv pov thawj kom ntsib lossis tshajASTM A516 Gr 1.Cov khoom siv kho tshuab, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau tus nqi - kev yuav khoom thoob ntiaj teb zoo.
PED Ua raws (EN Qib):
Yog tias koj qhov project nyob hauv Europe lossis xav tauCE kos npe, koj yuav tsum qhia tusTS EN 10028qib (piv txwv li, P355GH). Txawm hais tias cov khoom siv hluav taws xob ntawm ASTM qib kev sib tw, European tus qauv xav tau cov ntawv pov thawj tshwj xeeb PED (Cov Khoom Siv Hluav Taws Xob Cov Lus Qhia).
Tsawg-Tsub Toughness:
Thaum tab tom nrhiav "Arctic Service" lossis qis -temp cia, nco ntsoov nrhiav qhov"NL2"Cov lus xaus hauv EN qib (piv txwv li, P355NL2) lossis cov"DR"cov lus nyob hauv GB qib (piv txwv li, 16MnDR). Cov no qhia tau hais tias cov khoom raug cuam tshuam - kuaj ntawm-50 degreelos yog qis dua.
Alloy Steel (Chrome-Moly):
ASTM A387 Gr . 11 thiab Gr . 22yog lub ntiaj teb no benchmarks rau refineries. Thaum16 hmo 3(EN) yog qhov nrov heev rau cov khoom siv hluav taws xob sib txawv vim nws qhov sib npaug zoo ntawm tus nqi thiab nkag siab tsis kam.
4.Specialized Technical Requirements
HIC Test rau Sour Service (H2S)
Rau tej yaam num nyob rau hauv corrosive ib puag ncig, steel daim hlau yuav tsum tau kuaj raws liTIAB SA TM0284.
Kev lees txais:CLR Tsawg dua lossis sib npaug li 5%, CTR Tsawg dua lossis sib npaug li 1.5%, CSR Tsawg dua lossis sib npaug li 0.5%.
Kev kho cua sov:HIC kev ua tau zoo tsuas yog lav nyob rau hauvNormalized + PWHT(Post- Weld Thaum tshav kub kub kho) mob.
PWHT Cycle:Feem ntau 1 teev / nti @ 1125℃F txog 1175℃F.
Siab Vessel Quality (PVQ) Zoo
Tsis zoo li cov qauv txheej txheem, PVQ daim hlau (xws li, A516 Gr 70 PVQ) muab:
Kev tswj nruj ntawm cov tshuaj muaj pes tsawg leeg (Low S & P).
Txhim kho weldability rau kev siv siab.
Zoo sib xws nyob rau hauv mechanical zog nyob rau hauv sib txawv heats.
5.Txoj kev xaiv los ntawm hom kev thov
| Daim ntawv thov kev lag luam | Pom zoo qib steel |
| Standard Boilers & Chav Drums | A516 Gr. 70, P265GH, Q245R, P295GH |
| Petrochemical Siab -Cov Nkoj Siab | A387 Gr. 11, A387 Gr. 22, 16Mo3, P355GH |
| Cryogenic LNG & LPG Tank | 16 MnDR, A203 Gr. E, P355NL2, 09MnNiDR |
| Thaum tshav kub kub Exchangers | 16Mo3, A387 Gr. 11, A515 Gr. 70 |
| Tsawg-Pressure Storage Tanks | A285 gr. C, A516 Gr. 60, Q245R |
6. Cov lus nug nquag nug (FAQs)
Q: Suav sib npaug ntawm ASTM A516 Qib 70 yog dab tsi?
Qhov sib npaug ze tshaj plaws yogQ345Rlos ntawm GB 713 tus qauv. Nws muaj cov cuab yeej zoo sib xws thiab yog tus qauv xaiv rau Suav - tsim cov nkoj xa tawm.
Q: Thaum twg kuv yuav tsum xaiv P355NL2 hloov P355GH?
Ob leeg muaj 355 MPa yield zog. Txawm li cas los xij,P355 NL 2yog cuam tshuam- kuaj ntawm-50 degree, ua rau nws qhov tseem ceeb rau qis - kub lossis Arctic kev pabcuam, qhov P355GH yog tsim los rau kev pabcuam kub siab.
Q: Vim li cas A537 Chav Kawm 2 kim dua A516 Gr 70?
A537 Chav Kawm 2 yogQuenched thiab Tempered (Q & T), uas yuav tsum muaj txheej txheem kev kho cua sov ntau dua kom ua tiav cov txiaj ntsig siab dua thiab lub zog tensile tshaj li qub A516.
Q: Puas yog A387 steel tiv thaiv corrosion?
ASTM A387 (Chrome-Moly) yog tsim los rautshav kub tsis kam thiab creep zog, tsis yog feem ntau rau aqueous corrosion. Rau corrosion hnyav, stainless hlau cladding los yog tshwj xeeb alloy ntsiab yuav tsum tau.
Nrhiav rau Kev Pabcuam lossis Kev Tshaj Tawm?
Raws li tus neeg muab khoom thoob ntiaj teb ntawmASTM, EN, thiab GBsiab hlab ntsha steels, peb muab tag nrho traceability, HIC / NACE xeem, thiab cov kws txawj cov ntaub ntawv kev sab laj.
