I. Cov khoom siv yog dab tsiAPI5L
1. API5L-B pipeline hlau, sib npaug rau L245 hom Wuyang Hlau thiab hlau, L245 yog cov khoom siv qis alloy, tus nqi yog qhov siab, tus nqi ntawm cov ntaub ntawv sib txawv tsis zoo ib yam, feem ntau yog siv rau cov kav dej roj, cov kav dej ntuj, thiab lwm yam, yog cov kav dej kua qis, nws qhov kev ua tau zoo thiab 20 # seamless yeeb nkab yuav luag.
2. Cov khoom siv yogQib X52 yeeb nkab hlauCov hlau kab, uas yog ib hom hlau uas muaj cov kev cai tshwj xeeb siv rau kev xa cov roj thiab cov kav dej roj av. Raws li qhov tuab thiab kev tsim tom qab, nws tuaj yeem tsim los ntawm lub tshuab dov kub txuas ntxiv, lub tshuab dov cua sov lossis lub tshuab phaj nruab nrab tuab thiab tsim rau hauv cov yeeb nkab hlau loj los ntawm kev vuam kauv lossis UOE ncaj seam vuam.
3. Cov yeeb nkab hlau tsis muaj hlua lossis cov yeeb nkab welded, tus qauv yogAPI 5L (cov yeeb nkab yeeb nkab) PSL2yog ib qho ntawm cov qib, qhov tod yog PSL1 piv rau, PSL2 qhov yuav tsum tau ua siab dua PSL1API 5L yog cov yeeb nkab pipeline specification tsim los ntawm American Petroleum Institute, B yog ib qho ntawm cov yeeb nkab steel qib.
II. Tus qauv API5L
1. Tus qauv API5L, tus naj npawb ntawm cov pob qij txha ntawm cov yeeb nkab hlau thiab cov yeeb nkab WLD 10 "SCH STD API5L ASTM A106 GRB cov yeeb nkab hlau tsis sib txuas hauv tib ntu yuav tsum tsis pub tshaj 50% ntawm tus naj npawb ntawm cov yeeb nkab. Ua ntej kev teeb tsa, lub tsev yeeb nkab yuav tsum txhuam thiab ntxuav cov qhov ntawm lub tshuab laum lossis cua siab kom tshem tawm cov scum hauv cov qhov. Xyuas kom meej tias lub qhov (lub qhov yuav tsum tsis pub tsawg dua 127cm) ua tau raws li qhov yuav tsum tau ua thiab tiv thaiv qhov txhaws.
2. Cr: ≤025 Nickel Ni: ≤030 Tooj Liab Cu: ≤025 Cov khoom siv kho tshuab: Lub zog tensile ntawm sigma b (MPa): 560 (57) lossis siab dua cov zis muaj zog sigma s (MPa): 335 (34) lossis siab dua elongation delta (%): acuity txo ntawm thaj tsam ntawm 18 bits (%): 45 lossis siab dua cuam tshuam zog Akv (J): 55 lossis siab dua cuam tshuam toughness nqi ntawm alpha kv (J / cm2).
3. Tus qauv API 5L npog cov kev xav tau ntawm cov kav dej hlau, tshwj xeeb tshaj yog rau lub zog tensile, lub zog tso zis, chav kub cuam tshuam toughness, elongation thaum tawg, thiab lwm yam. Raws li cov hom kav dej hlau, API 5L yog muab faib ua cov kav hlau dav dav thiab cov kav hlau tshwj xeeb, ntawm cov kav hlau dav dav yog muab faib ua cov kav hlau ib txwm thiab cov kav hlau muaj zog siab, tus qauv API 5L kuj npog cov txheej txheem tsim khoom ntawm cov kav dej hlau.
III, cov khoom siv API5Lgrb yog dab tsi
1. API 5LGRB yog seamless los yogcov yeeb nkab hlau vuam, tus qauv yog API 5L (roj av yeeb nkab yeeb nkab), PSL2 yog ib qho ntawm cov theem, lwm qib yog PSL1 piv rau, PSL2 cov kev cai siab dua PSL1API 5L yog cov yeeb nkab yeeb nkab tshwj xeeb tsim los ntawm American Petroleum Institute, B yog ib hom yeeb nkab hlau qib.
2.ASME SA517, ASTM A517 lub nkoj siab Quenched thiab tempered siab zog alloy steel phaj ASME SA517/SA517M tus qauv suav nrog: SA517GrA, SA517GrB, SA517GrH, SA517GrS, SA517GrP, SA517GrF, SA517GrE, SA517GrQ; ASTM A517/A517M tus qauv suav nrog: A517GrA,.
3. Kev Muab KhoomAPI 5L PSL2tus qauvcov yeeb nkab hlau kauvGrB-X70 Txoj kab uas hla sab nraud 219-3650 hli Nyob zoo, peb tau tsim cov yeeb nkab kauv tau 24 xyoo, peb vam tias yuav muaj lub sijhawm los koom tes nrog koj.
Lub sijhawm tshaj tawm: Plaub Hlis-14-2023