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ASTM A671 CC60 CL22 EFW Cov Yeeb Nkab Hlau: Kev Tsim Khoom & Cov Lus Qhia Tshwj Xeeb Duab Tshwj Xeeb
  • ASTM A671 CC60 CL22 EFW Cov Yeeb Nkab Hlau: Kev Tsim Khoom & Cov Lus Qhia Tshwj Xeeb
  • ASTM A671 CC60 CL22 EFW Cov Yeeb Nkab Hlau: Kev Tsim Khoom & Cov Lus Qhia Tshwj Xeeb
  • ASTM A671 CC60 CL22 EFW Cov Yeeb Nkab Hlau: Kev Tsim Khoom & Cov Lus Qhia Tshwj Xeeb

ASTM A671 CC60 CL22 EFW Cov Yeeb Nkab Hlau: Kev Tsim Khoom & Cov Lus Qhia Tshwj Xeeb

Kev Piav Qhia Luv:

Womic Steel muab ASTM A671 CC60 CL22 hluav taws xob-fusion-welded (EFW) yeeb nkab steel rau atmospheric thiab qis dua qhov kub thiab txias kev pabcuam siab. CC60 yog los ntawm A516 Gr.60 lub phaj siab. Chav Kawm 22 qhia txog kev kho cua sov-relieve kev ntxhov siab, kev kuaj xyuas radiographic tag nrho ntawm cov weld seam, thiab kev sim hydrostatic. Qib no yog qhov nkag ntawm A671 CC series thiab tau teev tseg dav rau cov txheej txheem kub qis, LNG cov khoom siv hluav taws xob, thiab cov khoom siv hauv cheeb tsam txias uas CC65 lossis CC70 lub zog tsis xav tau.


Cov Lus Qhia Txog Khoom

Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Kev piav qhia txog khoom

Womic Steel muab ASTM A671 CC60 CL22 hluav taws xob-fusion-welded (EFW) yeeb nkab steel rau atmospheric thiab qis dua qhov kub thiab txias kev pabcuam siab. CC60 yog los ntawm A516 Gr.60 lub phaj siab. Chav Kawm 22 qhia txog kev kho cua sov-relieve kev ntxhov siab, kev kuaj xyuas radiographic tag nrho ntawm cov weld seam, thiab kev sim hydrostatic. Qib no yog qhov nkag ntawm A671 CC series thiab tau teev tseg dav rau cov txheej txheem kub qis, LNG cov khoom siv hluav taws xob, thiab cov khoom siv hauv cheeb tsam txias uas CC65 lossis CC70 lub zog tsis xav tau.

Cov lus tshawb nrhiav tseem ceeb uas muaj nyob rau ntawm nplooj ntawv no: ASTM A671 CC60 CL22, A671 CC60 yeeb nkab, EFW yeeb nkab hlau CC60, yeeb nkab EFW kub qis, A516 Gr.60 yeeb nkab vuam, yeeb nkab EFW txo kev ntxhov siab, ASTM A671 Chav Kawm 22, A671 CC60 qhov project case.

ASTM A671 CC60 CL22 Txhais Li Cas

ASTM A671 npog cov yeeb nkab hlau fais fab-fusion-welded nrog cov hlau ntxiv, ua los ntawm cov phaj siab zoo, npaj rau kev pabcuam siab ntawm huab cua thiab qis dua. Lub npe faib ua peb ntu.

Qib CC60 qhia txog lub phaj hauv paus. CC60 sib raug rau ASTM A516 Gr.60 phaj, uas yog cov hlau carbon uas raug tua, zoo siv rau hauv kev tsim cov hlab siab. Cov tshuaj lom neeg thiab cov khoom siv kho tshuab ntawm cov yeeb nkab tiav lawm ua raws li cov lus qhia ntawm lub phaj hauv paus.

Chav Kawm 22 txhais cov kev kho cua sov thiab kev sim. Chav Kawm 22 xav tau kev txo kev ntxhov siab tom qab vuam, kev kuaj xyuas radiographic ntawm cov kab sib txuas ntev, thiab kev sim hydrostatic. Nws nyob saum cov chav kawm as-welded (10, 12) thiab qis dua cov chav kawm normalized (32) lossis quenched-and-tempered (42/52).

EFW qhia txog txoj kev tsim khoom: phaj yog tsim rau hauv cov duab cylindrical, thiab cov leeg ntev yog welded siv cov txheej txheem hluav taws xob fusion nrog cov hlau filler.

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Cov Khoom Siv Tshuaj thiab Khoom Siv Kho Tshuab

Vim tias CC60 khi rau A516 Gr.60 phaj, cov yeeb nkab tiav lawm cov tshuaj lom neeg thiab lub zog ua raws li tus qauv phaj ntawd.

Vaj tse Tus nqi ib txwm muaj
Cov pa roj carbon (siab tshaj plaws) 0.21%
Manganese 0.60–0.90% (ib txwm muaj)
Phosphorus (max) 0.025%
Sulfur (max) 0.025%
Silicon 0.15–0.40%
Lub Zog Tawm (min) 220 MPa
Lub zog tensile 415–550 MPa

Cov txiaj ntsig xeem tiag tiag ntawm daim ntawv pov thawj zeb qhia txog qhov kub tshwj xeeb thiab phaj siv. Chav kawm 22 kev txo kev ntxhov siab tsis hloov pauv cov tshuaj lom neeg hauv paus.

Kev Sib Piv Qib: CC60 vs CC65 vs CC70

Peb qib sib koom tib txoj kev tsim khoom thiab cov kev xaiv Class 22; qhov sib txawv yog qib zog ntawm lub hauv paus phaj.

Qib Phaj Pib Yam Tsawg Kawg Nkaus Tau Los Qhov ntau ntawm Tensile Kev Siv Ib Txwm Muaj
CC60 A516 Qib 60 220 MPa 415–550 MPa Qhov siab qis dua, qhov kub nruab nrab
CC65 A516 Qib 65 240 MPa 450–585 MPa Kev pabcuam siab kub qis dav dav
CC70 A516 Qib 70 260 MPa 485–620 MPa Siab dua, phab ntsa tuab dua

Rau ib qho kev tsim siab thiab kub, qhov kev ntxhov siab uas tso cai nce ntxiv ntawm CC60 mus rau CC70. CC60 feem ntau raug xaiv qhov twg qhov kev tsim siab yog qhov nruab nrab thiab kev txuag phab ntsa tuab ntawm CC65 lossis CC70 tsis yog qhov ua rau tus nqi phaj siab dua.

Chav Kawm 22 vs Lwm Chav Kawm A671

Womic tsim cov yeeb nkab A671 CC60 CL22 siv LSAW nrog ib txoj kab ncaj lossis ob txoj kab ncaj.

Cov Qauv Ntau yam
Sab Nraud Txoj Kab uas hla 16″ txog 100″ (400 mm txog 2,540 mm)
Phab ntsa tuab 6 hli mus txog 80 hli (hnyav dua raws li qhov thov)
Ntev 6 m, 12 m tus qauv; txog li 18 m lossis 24 m yog tias thov
Txoj Kev Tsim Khoom EFW / LSAW nrog cov hlau sau
Hom Seam Ib txoj kab ncaj nraim los yog ob txoj kab ncaj nraim

 

Ib Txoj Kab Ncaj vs Ob Txoj Kab Ncaj

Ib txoj kab ncaj yog siv thaum ib lub phaj tuaj yeem dov mus rau hauv lub tog raj kheej puv. Ntawm Womic qhov no npog OD txog li 1,422 hli nrog phab ntsa tuab txog li 50.8 hli ntawm kab JCOE. Muaj ib txoj hlua txuas ntev, yog li kev tshuaj xyuas txoj hlua txuas yog tsom mus rau ib txoj hlua txuas.

Ob txoj kab ncaj yog siv thaum lub cheeb lossis phab ntsa tuab tshaj qhov uas ib lub phaj tuaj yeem tsim tau. Ob lub phaj raug dov ua ib nrab-lub tog raj kheej thiab txhua lub yog welded longitudinally. Qhov no npog OD txij li ntawm 1,200 mm txog 2,540 mm nrog phab ntsa tuab txog li 80 mm.

Cov ntawv thov rau A671 CC60 CL22 Yeeb Nkab

Cov kav dej LNG thiab cov txheej txheem petrochemicalntawm qhov kub qis uas qib zog CC60 txaus

Cov kav dej fais fabrau cov dej txias, condensate, thiab cov dej pub systems

Chaw nres tsheb compressor thiab cov kav dej ntsuashauv kev sib sau ua ke roj thiab roj av

Cov khoom siv hauv cheeb tsam txiassuav nrog kev muab dej thiab cov haujlwm tshuaj lom neeg hauv cov chaw kub tsawg

CC60 tsis yog rau kev pabcuam kub siab uas qhov kev nkag mus ua qhov kev txiav txim siab tsim.

Cov Ntaub Ntawv Txog Qhov Project

Kazakhstan Cryogenic Tube Project (2024)

Ib tug tub luam nyob hauv UAE tau xaj ASTM A671 CC60 CL22 LSAW yeeb nkab rau kev siv raj cryogenic hauv Kazakhstan. Cov lus qhia tshwj xeeb yog 762 hli OD × 12.7 hli WT × 12 m. Qhov project xav tau -45 ° C kev sim cuam tshuam thiab kev kho cua sov tom qab vuam. Kev tsim khoom thiab kev tshuaj xyuas tau ua tiav hauv 10 hnub kom ua tau raws li lub sijhawm xa khoom sai. Cov ntaub ntawv no qhia tau tias CC60 CL22 nrog kev sim cuam tshuam qis-kub ntxiv tuaj yeem tsim thiab sau tseg hauv lub sijhawm nruj.

Lub Tebchaws Yelemees Qhov Kev Tsim Kho Cov Kav Dej Kub Qis (2017)

Ib qhov project pipeline uas kub tsawg hauv lub teb chaws Yelemees tau teev tseg ASTM A671 Gr.CC60 CL22 LSAW pipe hauv OD ntau ntawm 406.4 mm txog 1,219.2 mm. Tag nrho cov khoom muaj 922 metric tons. Qhov project no lees paub qhov kev lees txais ntawm qib hauv cov pipeline uas kub tsawg hauv Tebchaws Europe uas xav tau Chav Kawm 22 kev txo kev ntxhov siab thiab RT tag nrho.

Kev Tsim Kho Roj thiab Roj Av hauv UK (2013)

Ib qhov project roj thiab roj av hauv UK siv ASTM A671 EFW/LSAW yeeb nkab, 24-nti, Schedule 40, nrog rau tag nrho cov khoom muaj nqis ntawm 3,600 metric tons. Txawm hais tias qib tshwj xeeb tsis tau teev nyob rau hauv cov ntsiab lus muaj, qhov project no qhia txog qhov ntsuas ntawm A671 EFW yeeb nkab xa mus rau UK roj thiab roj av daim ntawv thov.

Cov Ntaub Ntawv Zoo

Txhua qhov kev xa khoom ntawm A671 CC60 CL22 yeeb nkab los ntawm Womic Steel muaj xws li:

Daim ntawv pov thawj xeem EN 10204 3.1 nrog cov tshuaj lom neeg sib xyaw thiab cov txiaj ntsig ntawm kev xeem kho tshuab uas taug qab mus rau tus lej cua sov ntawm lub phaj

  • Daim ntawv qhia txog kev kuaj mob radiographic rau qhov vuam seam
  • Cov ntaub ntawv xeem hydrostatic
  • Daim ntawv qhia txog kev tshuaj xyuas qhov ntev
  • Daim ntawv qhia txog kev sim cuam tshuam yog tias kev sim Charpy ntxiv tau teev tseg
  • Kev tshuaj xyuas los ntawm lwm tus neeg muaj thaum thov (SGS, BV, TÜV)

Ntim thiab Xa Khoom

Cov kav dej muaj cov qhov kawg uas muaj cov hau yas los yog cov qhov kawg tiaj tiaj raws li tau teev tseg. Cov kav dej saum npoo tau txais ib txheej tiv thaiv uas tsim nyog rau kev thauj mus los thiab kev khaws cia rau lub sijhawm luv luv. Cov kav dej me thiab nruab nrab muaj cov hlua hlau; cov kav dej loj thiab cov kav dej phab ntsa hnyav raug xa ib leeg nrog lub thawv ntoo. Kev tshuaj xyuas ua ntej xa khoom los ntawm lwm tus neeg tuaj yeem npaj tau.

Cov Lus Nug Feem Ntau

Q: Qhov txawv ntawm CC60 thiab CC65 hauv ASTM A671 yog dab tsi?

CC60 siv A516 Gr.60 phaj nrog qhov tsawg kawg nkaus 220 MPa thiab 415–550 MPa tensile ntau yam. CC65 siv A516 Gr.65 phaj nrog qhov tsawg kawg nkaus 240 MPa thiab 450–585 MPa tensile ntau yam. Rau kev siv siab thiab kub nruab nrab, CC60 feem ntau txaus thiab pheej yig dua. CC65 zoo dua thaum lub siab tsim xav tau kev ntxhov siab ntau dua lossis thaum qhov kev ua kom tuab ntawm phab ntsa ua rau tus nqi phaj siab dua.

Q: Koj puas tuaj yeem muab A671 CC60 nrog kev sim cuam tshuam ntawm -45 ° C?

Yog. Kev sim Charpy V-notch impact yog qhov yuav tsum tau ua ntxiv raws li ASTM A671. Qhov project Kazakhstan tau hais txog saum toj no yuav tsum tau sim -45 ° C impact thiab tau muab khoom tiav. Qhia qhov kub thiab txias ntawm kev sim, kev taw qhia ntawm cov qauv, thiab cov qauv lees txais hauv daim ntawv yuav khoom.

Q: Puas yog A671 CC60 tsim nyog rau kev pabcuam LNG ncaj qha ntawm -162 ° C?

Tsis yog. ASTM A671 npog qhov kub thiab txias hauv huab cua, tab sis kev pabcuam kua LNG ncaj qha ntawm kwv yees li -162 ° C feem ntau xav tau cov ntaub ntawv tsim nyog rau cryogenic toughness, xws li cov hlau tsis xeb austenitic xaiv lossis 9% nickel hlau. A671 CC60 yuav raug txiav txim siab rau cov khoom siv hluav taws xob, pa, lossis cov tshuab refrigerant qhov twg qhov kub tsawg kawg nkaus ntawm cov hlau tseem nyob hauv qhov ntau thiab tsawg ntawm qib thiab chav kawm.

Q: Qhov siab tshaj plaws ntawm phab ntsa tuab rau CC60 CL22 yog dab tsi?

Cov txheej txheem LSAW ntawm Womic tuaj yeem tsim cov yeeb nkab CC60 CL22 txog li 80 hli phab ntsa tuab siv cov phaj dov thiab ntau-pass submerged arc vuam. Cov phab ntsa tuab heev yuav xav tau lub sijhawm ua ntej ntev dua thiab kev tsim nyog ntawm cov txheej txheem vuam tshwj xeeb.

Q: Kuv puas yuav tsum xaiv ib txoj kab ncaj nraim lossis ob txoj kab ncaj nraim?

Lub tshuab zeb xaiv qhov kev teeb tsa ntawm cov xov raws li qhov loj me uas tau txiav txim. Ib txoj xov ncaj nraim npog OD txog li 1,422 hli thiab phab ntsa tuab txog li 50.8 hli ntawm Womic. Ob txoj xov ncaj nraim npog cov kab uas loj dua thiab phab ntsa hnyav dua. Yog tias koj qhov kev qhia tshwj xeeb ntawm qhov project txwv tsis pub siv hom xov, hais qhov no hauv daim ntawv yuav khoom.

Tiv tauj Womic Steelrau ASTM A671 CC60 CL22 EFW cov yeeb nkab hais txog. Muab qhov ntev ntawm sab nraud, qhov tuab ntawm phab ntsa, qhov ntau npaum li cas, qhov ntev, qhov kawg tiav, qhov yuav tsum tau kuaj xyuas kev cuam tshuam yog tias siv tau, thiab txhua qhov yuav tsum tau kuaj xyuas los ntawm lwm tus. Peb yuav paub meej tias muaj thiab lub sijhawm ua tiav hauv ib hnub ua haujlwm.

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