ASTM A671 EFW Cov Yeeb Nkab Hlau: Cov Lus Qhia Txog Qib Ua tiav rau Kev Pabcuam Siab Huab Cua thiab Kub Qis Duab Tshwj Xeeb

ASTM A671 EFW Cov Yeeb Nkab Hlau: Cov Lus Qhia Qib Ua Tiav rau Kev Pabcuam Siab Huab Cua thiab Kub Qis

Kev Piav Qhia Luv:

Womic Steeltsim cov yeeb nkab hlau ASTM A671 hluav taws xob-fusion-welded (EFW) hauv CA, CB, thiab CC carbon steel series rau kev pabcuam siab ntawm huab cua thiab qis dua qhov kub. Nplooj ntawv no yog qhov nkag mus rau tsev neeg khoom A671 - nws piav qhia txog yam uas cov lus qhia npog, cov qib sib txuas li cas rau cov qauv phaj hauv paus, yam uas lub kaw lus tswj hwm, thiab txuas mus rau nplooj ntawv qib sib txawv rau cov lus qhia ntxaws ntxaws, cov ntaub ntawv project, thiab cov ntaub ntawv xaj.

Xa email rau peb Cov Lus Qhia Txog Khoom

Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Kev piav qhia txog khoom

Cov lus tseem ceeb uas siv rau hauv nplooj ntawv no: ASTM A671 EFW yeeb nkab hlau, A671 yeeb nkab, hluav taws xob fusion welded yeeb nkab, qis kub EFW yeeb nkab, A671 qib daim ntawv qhia, A671 Chav Kawm 22, A516 A515 A285 welded yeeb nkab, CA55 CB60 CC60 CC65 CC70 EFW yeeb nkab.

ASTM A671 Npog Dab Tsi

ASTM A671 npog cov yeeb nkab hlau fais fab-fusion-welded nrog cov hlau ntxiv, tsim los ntawm lub phaj siab zoo, npaj rau kev pabcuam siab ntawm huab cua thiab qis dua qhov kub. Cov lus qhia tshwj xeeb nominally npog cov yeeb nkab 16 nti (400 mm) sab nraud txoj kab uas hla thiab loj dua nrog phab ntsa tuab ntawm 1/4 nti (6 mm) lossis ntau dua. Cov yeeb nkab sab nraum qhov ntau nominally tuaj yeem muab tau yog tias nws ua tau raws li tag nrho lwm yam kev cai ntawm cov lus qhia.

Cov txheej txheem EFW siv cov hlau nplaum thiab tso cai rau lub phaj kom dov thiab vuam ua lub voj voog. Qhov no ua rau cov yeeb nkab loj thiab phab ntsa hnyav ua tau qhov twg cov yeeb nkab tsis muaj seamless lossis tsis pheej yig, thiab qhov twg qhov yuav tsum tau ua kom muaj zog ntawm qhov kub qis xav tau lub phaj zoo-lub thawv siab dua li lub kauj yeeb nkab.

Cov Khoom Siv Tshuaj thiab Khoom Siv Kho Tshuab

A671 Qib Series: CA, CB, thiab CC

Cov qib A671 raug xaiv los ntawm ob tsab ntawv ua raws li tus lej ob tus lej. Cov ntawv qhia txog cov lus qhia ntawm lub phaj hauv paus, thiab tus lej qhia txog qib zog hauv cov lus qhia ntawd.

Qib Series	Tus Qauv Phaj Pib	Hom Phaj	Kev Pabcuam Ib Txwm Muaj
CA	A285	Cov hlau carbon tensile qis mus rau nruab nrab	Kev pabcuam yooj yim, qhov kub thiab txias
CB	A515	Cov hlau carbon nruab nrab tensile	Nruab nrab siab, atmospheric mus rau qis kub
CC	A516	Cov hlau carbon tensile nruab nrab, cov noob zoo	Kev pabcuam siab qis-kub

Cov koob CC yog qhov feem ntau tau teev tseg hauv kev pabcuam siab qis vim tias A516 phaj raug tua thiab cov noob zoo, nrog rau qhov zoo ntawm qhov kub qis. Cov koob CA thiab CB yog siv qhov twg qhov siab thiab kub tsis tas yuav tsum tau thiab kev lag luam nyiam cov phaj qis dua.

A671 CC Series Qib Kev Nce Qib: CC60 txog CC70

Cov koob CC yog lub hauv paus ntawm A671 qhov kub qis. Peb qib sib koom tib txoj kev tsim khoom thiab cov kev xaiv chav kawm; 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	Nplooj Ntawv Qhia Txog
CC60	A516 Qib 60	220 MPa	415–550 MPa	Qhov siab qis dua, qhov kub nruab nrab	ASTM A671 CC60 CL22
CC65	A516 Qib 65	240 MPa	450–585 MPa	Kev pabcuam siab kub qis dav dav	ASTM A671 CC65 CL22
CC70	A516 Qib 70	260 MPa	485–620 MPa	Siab dua, phab ntsa tuab dua	ASTM A671 CC70 CL22

Rau ib qho kev tsim qauv siab thiab kub, qhov kev ntxhov siab uas tso cai nce ntxiv ntawm CC60 mus rau CC70. Kev xaiv nyob ntawm tus qauv tsim cov lus qhia kev ntxhov siab uas tso cai ntawm qhov kub ua haujlwm thiab seb qhov kev txuag phab ntsa tuab ntawm qib siab dua puas cuam tshuam rau tus nqi phaj siab dua.

A671 CA thiab CB Series

Cov koob CA thiab CB kuj raug them los ntawm A671 thiab muaj nyob rau ntawm qhov kev thov. Lawv tsis tshua muaj nyob rau hauv qhov kub qis dua li cov koob CC tab sis tau teev tseg qhov twg cov xwm txheej tsim tso cai rau lub phaj qis dua.

Qib	Phaj Pib	Hom Phaj	Kev Siv Ib Txwm Muaj
CA55	A285 Gr.C	Qis mus rau nruab nrab tensile	Kev pabcuam yooj yim, qhov kub thiab txias
CB60	A515 Qib 60	Nruab nrab tensile	Nruab nrab siab
CB65	A515 Qib 65	Nruab nrab tensile	Nruab nrab siab
CB70	A515 Qib 70	Nruab nrab tensile	Nruab nrab siab

Cov qib CA thiab CB tsis muaj cov yam ntxwv zoo thiab tsis kub heev li A516 phaj, yog li feem ntau lawv tsis tau teev tseg rau kev pabcuam qhov twg xav tau kev sim Charpy ntawm qhov kub tsawg. Rau kev pabcuam kub tsawg, CC series yog qhov kev xaiv tsim nyog.

Lub kaw lus A671 chav kawm

Lub npe chav kawm tswj kev kho cua sov, kev thaij duab hluav taws xob, thiab kev sim siab. Chav kawm 22 yog chav kawm feem ntau teev rau kev pabcuam siab qis vim nws muab kev txo kev ntxhov siab, kev sim RT tag nrho, thiab kev sim hydrostatic ua ke.

Chav Kawm	Kev Kho Mob Kub	Kev thaij duab hluav taws xob	Kev Ntsuas Siab	Kev Siv Ib Txwm Muaj
10	Tsis muaj dab tsi	Tsis muaj dab tsi	Yog	Raws li-welded, tsis yog qhov tseem ceeb kev pabcuam
12	Tsis muaj dab tsi	Chaw RT	Yog	Raws li-welded, kev pabcuam nruab nrab
22	Kev Nyuaj Siab Txo	Tag Nrho RT	Yog	Kev pabcuam siab qis-kub
32	Ua kom zoo li qub	Tag Nrho RT	Yog	Kev thov kom muaj zog dua
42	Normalized + Tempered	Tag Nrho RT	Yog	Kev pabcuam hnyav

Chav Kawm 22 yog chav kawm ua haujlwm rau A671 CC series yeeb nkab. Chav Kawm 32 yog teev tseg thaum tus qauv tsim xav tau cov khoom phaj zoo li qub hauv cov yeeb nkab tiav, uas tuaj yeem tseem ceeb rau phab ntsa tuab dua lossis cov kev xav tau tawv dua. Chav Kawm 42/52 yog tseg rau kev sib xyaw ua ke tawv dua lossis tuab dua.

Qhov Loj Ntau Hauv Tsev Neeg A671

Womic tsim cov yeeb nkab A671 hauv txhua qib teev saum toj no siv LSAW nrog ib lossis ob txoj kab ncaj nraim.

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
Cov Qib	CA55, CB60, CB65, CB70, CC60, CC65, CC70

Ib Txoj Kab Ncaj vs Ob Txoj Kab Ncaj

Ib txoj kab ncaj nraimnpog OD txog li 1,422 hli nrog phab ntsa tuab txog li 50.8 hli ntawm kab JCOE. Ib qho vuam ntev tsom mus rau kev tshuaj xyuas ntawm ib qho seam.

Ob chav ncaj seamnpog OD txij li ntawm 1,200 mm txog 2,540 mm nrog phab ntsa tuab txog li 80 mm. Ob lub phaj raug dov ua ib nrab-lub tog raj kheej thiab txhua lub yog welded longitudinal. Qhov kev pauv pauv yog ob lub vuam seams los tshuaj xyuas, tab sis nws ua rau cov yeeb nkab loj thiab phab ntsa hnyav uas ib leeg tsis tuaj yeem tsim tau.

Cov Ntawv Thov Thoob Plaws Tsev Neeg A671

Cov kav dej ua haujlwm kub tsawghauv cov chaw ua lag luam petrochemical thiab LNG qhov twg qhov kub ntawm cov kua dej poob qis dua qhov chaw ib puag ncig

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 tshuab ua kom txias hauv kev lag luamnqa cov dej txias lossis cov pa roj liquefied

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

Cov Ntaub Ntawv Txog Tej Haujlwm Thoob Plaws Tsev Neeg A671

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, 762 mm OD × 12.7 mm WT × 12 m, nrog rau kev sim cuam tshuam -45 ° C 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 pipeline hauv OD ntau ntawm 406.4 mm txog 1,219.2 mm, tag nrho 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 Class 22 stress relief thiab full RT.

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. Qhov project no qhia txog qhov loj ntawm A671 EFW yeeb nkab rau UK roj thiab roj av daim ntawv thov.

Cov Ntaub Ntawv Zoo

Txhua qhov kev xa khoom ntawm A671 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)

Cov Lus Nug Feem Ntau

Q: Kuv yuav tsum xaiv qib twg A671 rau kuv daim ntawv thov?

Qhov qib yog txiav txim siab los ntawm qhov siab tsim, qhov kub ua haujlwm, thiab qhov tawv uas xav tau. Rau qhov kev pabcuam siab qis, CC series (CC60, CC65, CC70) yog qhov kev xaiv txheem vim tias A516 phaj raug tua thiab cov noob zoo nrog qhov tawv zoo. CC60 feem ntau txaus rau qhov siab nruab nrab; CC65 thiab CC70 raug xaiv thaum qhov kev ntxhov siab siab dua tso cai rau kev txo qhov tuab ntawm phab ntsa lossis thaum qhov siab tsim xav tau lub zog siab dua. CA thiab CB series yog siv rau kev pabcuam mos dua qhov twg qhov tawv qis tsis yog qhov yuav tsum tau tswj hwm.

Q: Qhov txawv ntawm A671 thiab A691 yog dab tsi?

Ob qho lus qhia no suav nrog cov yeeb nkab hluav taws xob-fusion-welded nrog cov hlau filler, ua los ntawm cov phaj siab-zoo. Qhov sib txawv yog tsev neeg phaj hauv paus. A671 siv cov phaj carbon steel qib (CA, CB, CC series) rau kev pabcuam huab cua thiab qis dua. A691 siv cov phaj chromium-molybdenum alloy qib (1Cr txog 9Cr) rau kev pabcuam siab ntawm qhov kub siab. Lub kaw lus chav kawm rau kev kho cua sov, radiography, thiab kev sim zoo sib xws thoob plaws ob qho lus qhia.

Q: Chav Kawm 22 txhais li cas hauv A671?

Chav Kawm 22 txhais tau tias txo kev ntxhov siab tom qab vuam, kev kuaj xyuas radiographic tag nrho ntawm cov leeg ntev, thiab kev sim hydrostatic. Qhov no yog chav kawm feem ntau rau kev pabcuam siab qis vim nws muab PWHT, RT tag nrho, thiab kev sim siab ua ke hauv ib qho kev qhia.

Q: Koj puas tuaj yeem muab A671 CC65 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 kub ntawm kev sim, kev taw qhia ntawm cov qauv, thiab cov qauv lees txais tau teev tseg hauv daim ntawv xaj yuav khoom. Qhov project Kazakhstan tau hais txog saum toj no yuav tsum tau sim -45 ° C ntawm CC60 CL22 yeeb nkab thiab tau muab khoom tiav.

Q: Lub sijhawm ua khoom rau A671 yeeb nkab yog dab tsi?

Lub sijhawm ua khoom nyob ntawm qib, qhov loj me, qhov ntau thiab tsawg, thiab chav kawm. Lub sijhawm ua khoom txheem rau cov yeeb nkab Class 22 hauv cov qhov loj me feem ntau yog 30–45 hnub. Cov yeeb nkab uas xav tau kev sim cuam tshuam ntxiv lossis kev kho cua sov ib txwm muaj (Class 32) yuav xav tau lub sijhawm ua khoom ntev dua. Tiv tauj Womic Steel nrog qib tshwj xeeb, qhov loj me, thiab qhov ntau thiab tsawg kom paub tseeb tias lub sijhawm ua khoom tiav.

Tiv tauj Womic Steelrau ASTM A671 EFW cov yeeb nkab hais txog. Muab qib, chav kawm, txoj kab uas hla sab nraud, tuab ntawm phab ntsa, qhov ntau, ntev, qhov kawg tiav, cov kev cai kuaj kev cuam tshuam yog tias siv tau, thiab txhua yam kev cai tshuaj xyuas sab nraud. Peb yuav paub meej tias muaj thiab lub sijhawm ua tiav hauv ib hnub ua haujlwm.

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