Gnee Hlau (Tianjin) Co., Ltd

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GB Siab Vessel Steel

GB Pressure Vessel Steel Manufacturers

GB Pressure Vessel Steel Phajyog ib pawg tshwj xeeb ntawm cov pa roj carbon thiab qis- alloy steel daim hlau siv feem ntau rau lub plhaub ntawm cov hlab ntsha siab. Nrog kev khiav hauj lwm kub feem ntau xws li los ntawm-20℃rau 500 degree(nce mus txog560 degreenyob rau hauv tej rooj plaub), cov ntaub ntawv no yog cov caj qaum ntawm petrochemical, lub zog, thiab tub rog industries.

 

Tuam Tshoj tau tsim ib qho loj - nplai ntau lawm rau cov hlau no, nrog cov qib zoo tam sim no sib tw thoob ntiaj teb cov qauv xws liASME (USA)thiabEN (Tebchaws Europe).

 

Kev siv dav dav thoob ntiaj teb cov qauv rau cov phaj siab siab suav nrog European EN 10028 series thiab American ASME SA cov qauv. Ntxiv nrog rau kev ua kom tau raws li Suav cov qauv hauv tebchaws, ntau lub teb chaws tsim cov khoom lag luam siab siab phaj kuj tau txais ntawv pov thawj los ntawm ntau lub koom haum thoob ntiaj teb kev faib tawm (xws li LR, DNV, ABS, thiab BV).
 

Read More>>>>Kev sib piv thoob ntiaj teb ntawm Cov Qib Hlau rau Boilers thiab Cov Nkoj Siab

 

1. 2023 Standard Revolution: GB / T 713.1 txog GB / T 713.8

 

Xyoo 2023, Suav lub teb chaws tus qauv tau hloov kho tshiab kom ua tau raws li qhov xav tau ntawm siab - qhov ntsuas loj - nplai kheej kheej tso tsheb hlau luam thiab lub teeb yuag tsim ntawm cov hlab ntsha siab. Tus qauv dhau los (GB/T 713-2014) tau hloov los ntawm ntau qhov system:

 

GB/T 713.1:Cov kev cai dav dav.

GB/T 713.2:Tsis yog- alloys thiab alloy steels nrog cov khoom ntsuas kub siab (Hloov ib feem ntawm GB / T 713 qub).

GB/T 713.4:Stainless hlau clad phaj.

GB/T 713.5:Steels rau qis- kev pabcuam kub.

GB/T 713.6:quenched thiab tempered siab -lub zog steels.

 

2. Kev faib tawm los ntawm Kev Pabcuam Ib Cheeb Tsam thiab Hom Qib

 

Raws li qhov tseeb GB / T 713-2023 cov qauv, cov hlab ntsha siab tau muab faib ua plaub pawg:

 

Pawg 1: General Pressure Vessel Steel (Ambient Temp / Moderate Pressure)

Txheem:GB/T 713.1-2023
Siv rau hauv paus cia tso tsheb hlau luam thiab reactors nyob rau hauv me me.

 

  • Q245R:Yield zog Ntau tshaj los yog sib npaug rau 245 MPa. Cov qib pib siv dav tshaj plaws; weldability zoo heev thiab tus nqi -zoo. (Hloov qub 20g, 20R).

 

  • Q345R:Yield zog Ntau dua los yog sib npaug rau 345 MPa. Qib "workhorse" nrog qhov zoo sib npaug ntawm lub zog thiab toughness. (Hloov qub 16MnR).

 

  • Q370R:Lub zog ntau dua li Q345R, siv rau kev xav tau ntau yam ntawm cov qauv.

 

  • Q420R:Lub zog siab rau qhov ntsuas siab loj dua lossis hnyav dua -txo cov qauv tsim.

 

Pab Pawg 2: Siab -Tub Kub Kev Pabcuam Hlau

Txheem:GB/T 713.2-2023
Muaj cov ntsiab lus alloying xws li Chromium (Cr) thiab Molybdenum (Mo) los tiv thaiv "creep" thiab hydrogen nres thaum kub kub.

 

  • 15CrMoR:Haum rau ib puag ncig tsawg dua lossis sib npaug li 550℃(xws li, cov khoom siv coking).

 

  • 14Cr1MoR:Lub zog siab dua 15CrMoR, siv tsawg dua lossis sib npaug li 575℃(Petrochemical reactors).

 

  • 12Cr2Mo1R (2¼Cr-1Mo):Qhov siab tshaj plaws -temp Chrome-Moly steel, siv tsawg dua lossis sib npaug li 600℃hauv hydrogenation reactors thiab gasifiers.

 

  • 12Cr1MoVR:Ntxiv Vanadium (V) rau ntau dua creep kuj thiab kub stability.

 

  • 18MnMoNbR:Lub siab -lub zog micro- alloyed steel siv rau hnyav- cov hlab ntsha zoo li siab - siab boiler nruas.

 

Pab pawg 3: Tsawg-Tsub & Cryogenic Steel

Txheem:GB/T 713.5-2023
Tsim los tiv thaiv kev tawg tawg hauv qhov chaw txias txias (LPG / LNG cia).

 

  • 16 MnDR:Yam tsawg kawg nkaus kev pab temp-40 degree.

 

  • 15 MnNiDR:Yam tsawg kawg nkaus kev pab temp-50 degree.

 

  • 09 MnNiDR:Yam tsawg kawg nkaus kev pab temp-70 degree.

 

  • 08Ni3DR (3.5% Ni hlau):Yam tsawg kawg nkaus kev pab temp-100 degree.

 

  • 06Ni9DR (9% Ni hlau):Lub flagship cryogenic hlau rauLNG tanks, nrog rau kev pabcuam temp mus rau-196 degree.

 

  • New Generation (07MnNiVDR, 07MnNiMoDR):Zoo- cov hlau nplaum rau -60℃rau -101℃kev pabcuam.

 

Pab Pawg 4: Quenched & Tempered (Q&T) Siab -Strength Steel

Txheem:GB/T 713.6-2023
Hais txog kev laus ntawm cov qub GB / T 19189 tus qauv, qhia 700MPa thiab 800MPa cov chav kawm rau cov tank loj loj.

 

Hom Qib: Q560RD/E/F, Q690RD/E.

Qib Zoo:D (-20 degree), E (-40 degree), F (-50 degree) cuam tshuam kev xeem.

 

3. Stainless Hlau Clad Phaj (GB/T 713.4-2023)

 

Rau ib puag ncig xav tau ob qho tib si siab thiab corrosion tsis kam. Cov no muaj cov khoom siv hauv paus (rau lub zog) thiab txheej cladding (rau kev tiv thaiv).

 

Cladding Material piv txwv:

  • S30408 (304):Standard austenitic stainless hlau.

 

  • S31603 (316L):Superior tsis kam rau pitting thiab crevice corrosion.

 

  • S32168 (321):Titanium{0}}stabilized rau intergranular corrosion kuj.

 

  • S34778 (347):Niobium-stabilized.

 

  • Cov ntaub ntawv hauv paus:Q245R, Q345R, 14Cr1MoR, 12Cr2Mo1R.

 

  • Piv txwv lub npe:Q345R (S30408) qhia txog Q345R puag nrog 304 stainless cladding.

 

Lwm Cov Qib Tseem Ceeb (Cov Qauv Tshwj Xeeb lossis Cov Qib Tseem Ceeb)

  • 20R:Ib qib qub txeeg qub teg (tam sim no feem ntau hloov los ntawmQ245R) raws li tus qauv GB 6654-1996. Nws yog siv nyob rau hauv lub normalized mob rau ib puag ncig Tsawg dua los yog sib npaug rau 450℃.

 

  • 16 MnR:Ib qib qub txeeg qub teg (tam sim no feem ntau hloov los ntawmQ345R) raws li tus qauv GB 6654-1996. Nws nta lub zog siab dua 20R thiab tau pom cov ntawv thov dav dav hauv kev lag luam.

 

  • SA516 Gr. 60/65/70:Cov no yog cov qhab nia sib xws hauv AsmeskasASTM A516 Cov Lus Qhia Tshwj Xeebtxheem. Hais txog kev sib npaug,Gr . 70feem ntau suav tias ze rauQ345R, txawm hais tias kev ua haujlwm tshwj xeeb thiab cov tshuaj lom neeg sib txawv.

 

  • P265GH, P295GH, P355GH:Cov no yog cov thawj lub siab lub nkoj steel phaj qib tau teev tseg hauv cov qauv EuropeanTS EN 10028-2.

 

Qhov Tseeb GB/T 713 Hloov Kho: Cov Qib Tshiab thiab Cov Qauv Hloov Tshiab

Txhawm rau ua kom tau raws li qhov xav tau ntawm cov loj - nplai kheej kheej tso tsheb hlau luam, siab- cov cuab yeej siv siab, thiab kev tsim khoom hnyav ntawm lub nkoj siab, Tuam Tshoj tus qauv hauv tebchaws tau dhau los hloov kho tseem ceeb, qhia ntau qib siab - kev ua tau zoo thiab kev ntsuas kev ntsuas nruj dua.

 

  • GB/T 713.2 (Tshooj 2: Tsis yog- alloy thiab alloy steels nrog rau qhov ntsuas kub):

Qhov no tau qhia cov qib tshiab xws liQ420RthiabQ460R, nrog rau lawv qhov kub thiab txias -kev ntsuas kev ua tau zoo (piv txwv li,Q420RE, Q460RF). Nws tau ua tiav cov qib zoo thiab cov npe npe, qhov twg cov lus xausD, E, thiab Fsawv cev rau qhov yuav tsum tau kuaj xyuas ntawm-20 degree, -40 degree, thiab -50 degreeraws.

 

Txhawm rau txhawb kev tsim cov tank loj kheej kheej, cov qib tshiab tshwj xeeb suav nrogQ420RG, Q420RE, Q420RF, Q460RG, Q460RD, Q460RE, thiab Q460RFtau ntxiv lawm.

 

  • GB/T 713.6 (Tshooj 6: Quenched thiab Tempered High-Strength Steels):

Ntu no tam sim no suav nrog700MPa thiab 800MPa chav kawmquenched thiab tempered siab -lub zog steels, suav nrogQ560RD/E/FthiabQ690RD/E. Cov qauv no tam sim no ua raws li cov qauv ntsuas thoob ntiaj teb qib siab. Cov kev hloov kho tseem ceeb suav nrog cov npe qib tshiab, txo qis tshaj qhov txwv rauPhosphorus (P) thiab Sulfur (S), thiab kho cov khoom xa tuaj thiab cov cuab yeej cuab tam xav tau.

 

Cov kev hloov pauv no tau tsim tshwj xeeb los hloov kho cov kev xav tau ntawm lub tank loj ruaj khov thiab LPG cia tso tsheb hlau luam.

 

  • Txhim kho Mechanical Performance & Impact Energy Requirements:

Cov kev hloov tshiab tsis ntev los no tau txwv nruj dua rau cov cuab yeej cuab tam ntawm siab - lub zog siab lub nkoj phaj kom hloov mus rau cov khoom siv uas tau dhau los ua loj dua thiab ua haujlwm nyob rau hauv siab dua. Ib qho tseem ceeb technical nthuav dav yog qhovKev hloov kho ntawm qhov tsawg kawg nkaus qhov tseem ceeb rau Charpy V-qhov cuam tshuam rau lub zog nqusthiab lwm cov cim tseem ceeb rau lubQ490 serieshlau daim hlau.

 

Tsis tas li ntawd, qhov suav nrogQ560 thiab Q690 chav kawmhais txog kev lag luam hloov mus rau siab - cov cuab yeej siv siab uas yuav tsum tau muaj zog heev thiab siab dua - kev ua haujlwm toughness.

 

  • Daim Ntawv Teev Npe ntawm Cov Qib Tshiab rau Cov Nkoj Tshwj Xeeb:

Txhawm rau kom muaj kev nyab xeeb thiab kev ua haujlwm ntawm cov hlab ntsha ntawm lub xov tooj ntawm tes thiab lub tank loj kheej kheej, ib qho ua tiav ntawm cov qib tshiab tam sim no muaj: Q420RG, Q420RE, Q420RF, Q460RG, Q460RD, Q460RE, Q460RF, Q560RD, Q560RE, Q560RF, thiab Q69.

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Rau sab kawg

1. Cov Evolution thiab Modernization ntawm GB Standards

 

Cov qauv hauv tsev rau cov phaj siab siab tau dhau los ua qhov hloov tshiab tseem ceeb los hais txog "kev laus" ntawm cov qauv qub (xws li GB/T 713-2014 thiab GB/T 19189-2011). Cov kev hloov kho no yog tsav los ntawm kev xav tau ntawm kev tsim khoom hnyav ntawm cov hlab ntsha hauv lub cev thiab kev tsim kho ntawm cov khoom siv hluav taws xob loj loj.

 

Lub moj khaum tshiab, tshwj xeebGB/T 713.2thiabGB/T 713.6, integrates advanced yuav tsum tau los ntawm thoob ntiaj teb cov lis dej num zoo liTS EN 10028-3, ISO 9328-3, ASME SA612, kom ntseeg tau tias cov khoom siv hauv tsev muaj kev sib tw thoob ntiaj teb.

 

2. GB/T 713.2: Tsis yog-Alloy thiab Alloy Steels nrog cov khoom kub tshwj xeeb

 

Ib feem ntawm tus qauv no qhia txog kev ua kom zoo rau cov qib uas xav tau kev ua haujlwm ntawm qhov ntsuas kub tshwj xeeb.

 

Tshiab Qib Expansion

Txhawm rau kom txaus siab rau kev tsim cov tank loj kheej kheej thiab siab - cov cuab yeej siv siab, tus qauv tam sim no suav nrog:

 

  • 700MPa thiab 800MPa Chav Kawm:Siab - qib zog zoo liQ420RthiabQ460Rtau qhia.
  • Specific Temperature Qib:Cov tshiab ntxiv suav nrogQ420RG, Q420RE, Q420RF, Q460RG, Q460RD, Q460RE, thiab Q460RF.

 

Qhov Zoo Qib System (D, E, F)

 

Lub cev sawv cev tau ua tiav zoo los qhia txog cov kev xav tau ntawm kev kuaj xyuas tshwj xeeb:

 

  • D:Impact test ntawm-20 degree.
  • E:Impact test ntawm-40 degree.
  • F:Impact test ntawm-50 degree.

 

3. GB/T 713.6: Siab -Strength Quenched thiab Tempered (Q&T) Steels

 

Kev tsom mus rau cov chav kawm 700MPa thiab 800MPa, tus qauv no hais txog qhov siab -tuaj yeem xav tau ntawm cov tank loj ruaj khov thiab LPG cia chav nyob.

 

Advanced Strength Classes

 

  • 700MPa - 800MPa Qib:suav nrog qib siab -kev ua tau zoo xws liQ560RD/E/FthiabQ690RD/RE.
  • Kev Txhim Kho Metric:Rau cov qib uas twb muaj lawm xws liQ490 series, tus qauv tau hloov kho qhov tsawg kawg nkaus qhov tseem ceeb rauCharpy V-ntiv tes cuam tshuam lub zog, ua kom muaj kev nyab xeeb nyob rau hauv siab dua - ib puag ncig siab.

 

4. Kev txhim kho txuj ci tseem ceeb thiab kev tswj kom zoo

 

Cov kev kho tshiab tsis ntev los no tsis yog hais txog kev ntxiv qib; Lawv sawv cev rau kev hloov kho tseem ceeb hauv cov khoom siv purity thiab kev ua haujlwm:

 

  • Txo impurities:Up txwv rauPhosphorus (P) thiab Sulfur (S)Cov ntsiab lus tau raug txo qis los txhim kho weldability thiab toughness.

 

  • Lub xeev xa khoom:Optimized xa cov xwm txheej (xws li Quenched + Tempered) yog tam sim no tus qauv kom tau raws li cov neeg siv khoom xav tau.

 

  • Kev Ua Lag Luam Ua Lag Luam:Cov kev hloov pauv no tso cai rau kev tsim kho lub teeb yuag ntawm cov hlab ntsha hauv lub cev thiab txhim kho kev ntseeg tau ntawm cov khoom siv hauv cov roj, roj, thiab petrochemical sectors.

 

5. Anatomy thiab kev nyab xeeb ntawm lub nkoj siab

 

Cov hlab ntsha siab yog cov cuab yeej tseem ceeb hauv petrochemicals, lub zog, kev tshawb fawb tshawb fawb, thiab kev tiv thaiv. Lub cev lub cev txheem yog tsim los ntawm rau lub ntsiab yam ntxwv:

 

  • Plhaub (Barrel)
  • Lub taub hau (End Cap)
  • Flange
  • Sealing Elements
  • Nozzles thiab Openings
  • Txhawb nqa

 

Tsis tas li ntawd, cov hlab ntsha tau nruab nrog cov cuab yeej kev nyab xeeb, ntsuas, thiab cov khoom siv sab hauv rau cov txheej txheem tsim khoom tshwj xeeb.

 

Kev nyab xeeb thiab tshuaj xyuas yuav tsum tau ua

Vim muaj kev pheej hmoo cuam tshuam nrog kev kub siab thiab kev phom sij, cov hlab ntsha siab tuaj yeem ua rau tawg lossis hluav taws, uas tuaj yeem ua rau muaj kev phom sij rau lub neej thiab ib puag ncig. Yog li ntawd, lawv raug cais raws liCov khoom tseem ceeb saib xyuasthoob ntiaj teb. Hauv Suav teb, lub xeev -cov koom haum tau tsim los ua qhov yuav tsum tau saib xyuas, kev tshuaj xyuas cov txheej txheem, thiab kev tshuaj xyuas ua raws li txoj cai hauv tebchaws thiab cov cai.

 

6. Cov Lus Qhia Tshwj Xeeb thiab Kev Ntsuam Xyuas Cov Qauv

 

Txhawm rau kom muaj kev nyab xeeb ntawm cov hlab ntsha siab, GB steels yuav tsum tau kuaj xyuas nruj:

 

  • Tshuaj muaj pes tsawg leeg:Cov ntsiab lus carbon yog nruj me ntsis tswj ntawm0.16-0.33%. P thiab S qib tau qis dua mus rau qib thoob ntiaj teb kom paub meej purity.

 

  • Mechanical Testing:Yuav tsum tau nro, dabtsi yog khoov, thiab kev ntsuam xyuas cuam tshuam.

 

  • Nto Zoo:Cracks, laminations, thiab inclusions yog nruj me ntsis txwv tsis pub. Kev kho yuav tsum ua raws li cov lus qhia nruj nruj.

 

  • Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT):Ultrasonic Testing (UT) feem ntau yog qhov yuav tsum tau ua ntxiv rau cov kev pabcuam tseem ceeb.

 

  • Kev kho cua sov:Cov txheej txheem ib txwm muaj xws li Normalizing + Tempering txhawm rau txhim kho cov qauv nplej rau qhov sib txawv kub.

 

6. Cov Lus Qhia Tshwj Xeeb thiab Kev Ntsuam Xyuas Cov Qauv

 

Kev hloov kho 2023 GB / T 713 ua raws li European thiab Asmeskas cov qauv:

 

  • ASTM / ASME: SA516 Gr . 70yog functionally zoo ib yam liQ345R, txawm hais tias cov tshuaj tolerances txawv.

 

  • TS EN 10028:Qib zoo liP265GHthiabP355GHsib xws rau Q245R thiab Q345R series.

 

  • Keeb kwm Reference: 20Rtau hloov loj heev los ntawmQ245R; 16 MnRtau hloov los ntawmQ345R.

 

7. Kev siv ntawm GB Pressure Vessel Steel

 

Cov hlab ntsha siab yog qhov tseem ceeb ntawm kev tsim khoom lag luam. Lub nkoj raug muaj rau qhov tseem ceeb: lub plhaub (lub thoob), lub taub hau, flanges, cov khoom sib khi, qhov qhib / lub taub hau, thiab kev txhawb nqa.

 

  • Nuclear zog:Contains shells thiab pressurizers.
  • Tshuaj / Petrochemical:Reactors, heat exchangers, distillation towers, thiab spherical LPG cia tanks.
  • Zog:Siab -sab nruas thiab phab ntsa boiler dej.
  • Kev thauj mus los:Txawb tso tsheb hlau luam rau kev tsheb nqaj hlau thiab txoj kev (LPG / CNG tankers).

 

Xaiv Tswv Yim:Thaum xaiv ib qib, koj yuav tsum paub meej tias qhovTsim Siab, Tsim Kub (High/Low), Media Corrosiveness, thiab Khoom Dimensions (Thickness)raws li cov qauv tsim muaj xws liGB/T 150.2.

[ Hu rau peb pab neeg ua haujlwm rau cov lus hais ntawm GB / T 713 Steel Phaj]

Raws li ib qho ntawm cov ua gb siab hlab ntsha steel manufacturers thiab lwm tus neeg nyob hauv Suav teb, peb sov siab txais tos koj mus yuav gb siab hlab ntsha steel hauv Tshuag ntawm no thiab tau txais cov qauv dawb los ntawm peb lub hoobkas. Tag nrho cov khoom customized yog nrog cov khoom zoo thiab tus nqi qis.