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    API 5L 46th Edition Specification rau Kab Yeeb Scope

    API 5L 46th Edition Specification for Line Pipe Scope Featured Image
    • API 5L 46th Edition Specification rau Kab Yeeb Scope

    Lus piav qhia luv luv:

    Qhia txog kev tsim khoom ntawm ob theem khoom (PSL1 thiab PSL2) ntawm seamless thiab welded steel yeeb nkab rau kev siv cov kav dej hauv kev thauj mus los ntawm cov roj av thiab cov nkev.Rau kev siv cov khoom siv hauv daim ntawv thov kev pabcuam Sour xa mus rau Annex H thiab rau daim ntawv thov kev pabcuam offshore xa mus rau Annex J ntawm API5L 45th.


    Product Detail

    Khoom cim npe

    Kev Xa Khoom

    PSL Kev Xa Khoom Qib yeeb nkab
    PSL1 Raws li dov, normalized, normalizing tsim

    A
    Raws li-dov, normalizing dov, thermomechanical dov, thermo-mechanical tsim, normalizing tsim, normalized, normalized thiab tempered los yog pom zoo Q&T SMLS nkaus xwb

    B
    Raws li dov, normalizing dov, thermomechanical dov, thermo-mechanical tsim, normalizing tsim, normalized, normalized thiab tempered X42, X46, X52, X56, X60, X65, X70
    PSL 2 Raws li dov

    BR, X42R
    Normalizing dov, normalizing tsim, normalized los yog normalized thiab tempered BN, X42N, X46N, X52N, X56N, X60N
    Quenched thiab tempered BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q
    Thermomechanical dov los yog thermomechanical tsim BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M
    Thermomechanical dov X90M, X100M, X120M
    Qhov txaus (R, N, Q lossis M) rau qib PSL2, belongs rau qib steel

    Ordering Information

    Daim ntawv xaj yuav tsum suav nrog qhov ntau, PSL qib, hom lossis Qib, siv rau API5L, sab nraud txoj kab uas hla, phab ntsa thickness, ntev thiab lwm yam ntxiv uas muaj feem xyuam rau cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, kev kho cua sov, kev kuaj ntxiv, kev tsim khoom, nto coatings los yog kawg tiav.

    Txheej txheem kev tsim khoom

    Hom yeeb nkab

    PSL 1

    PSL 2
    Qib A Qib B X42 to X70 B to X80 X80 to X100
    SMLS

    ü

    ü

    ü

    ü

    ü
    LFW

    ü

    ü

    ü
    HFW

    ü

    ü

    ü

    ü
    LW

    ü
    SAWL

    ü

    ü

    ü

    ü

    ü
    SAWH

    ü

    ü

    ü

    ü

    ü
    SMLS - Seamless, tsis muaj vuam

    LFW - Tsawg zaus welded yeeb nkab, <70 kHz

    HFW - High zaus welded yeeb nkab,> 70 kHz

    SAWL - Submerge-arc vuam longitudinal welded

    SAWH - Submerge-arc vuam helical welded

    Pib Khoom

    Ingots, blooms, billets, coils los yog daim hlau siv rau kev tsim cov yeeb nkab yuav tsum tau ua los ntawm cov txheej txheem hauv qab no, cov pa oxygen yooj yim, hluav taws xob rauv lossis qhib hearth ua ke nrog cov txheej txheem ladle refining.Rau PSL2, cov hlau yuav tsum raug tua thiab yaj raws li kev coj ua zoo.Chev los yog phaj siv rau PSL2 yeeb nkab yuav tsum tsis muaj kev kho welds.

    Chemical Composition rau PSL 1 yeeb nkab nrog t ≤ 0.984 "

    Qib Steel

    Pawg feem ntau, % raws li cov cua sov thiab cov khoom txheeb xyuas a, g

    C

    mas b

    Mn

    mas b

    P

    max

    S

    max

    V

    max

    Nb

    max

    Ti

    max

    Seamless Yeeb Nkab

    A

    0.22

    0.90 ib

    0.30 Nws

    0.30 Nws

    -

    -

    -

    B

    0.28 ib

    1.20

    0.30 Nws

    0.30 Nws

    c,d

    c,d

    d

    X42

    0.28 ib

    1.30 Nws

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X46

    0.28 ib

    1.40 Nws

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X52

    0.28 ib

    1.40 Nws

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X56

    0.28 ib

    1.40 Nws

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X 60

    0,28e ua

    1.40 ib

    0.30 Nws

    0.30 Nws

    f

    f

    f

    X 65

    0,28e ua

    1.40 ib

    0.30 Nws

    0.30 Nws

    f

    f

    f

    X 70

    0,28e ua

    1.40 ib

    0.30 Nws

    0.30 Nws

    f

    f

    f

    Welded yeeb nkab

    A

    0.22

    0.90 ib

    0.30 Nws

    0.30 Nws

    -

    -

    -

    B

    0.26

    1.2

    0.30 Nws

    0.30 Nws

    c,d

    c,d

    d

    X42

    0.26

    1.3

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X46

    0.26

    1.4

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X52

    0.26

    1.4

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X56

    0.26

    1.4

    0.30 Nws

    0.30 Nws

    d

    d

    d

    X 60

    0,26e ua

    1.40 ib

    0.30 Nws

    0.30 Nws

    f

    f

    f

    X 65

    0,26e ua

    1.45 e

    0.30 Nws

    0.30 Nws

    f

    f

    f

    X 70

    0.26 e

    1.65 e

    0.30 Nws

    0.30 Nws

    f

    f

    f
    1. Cu ≤ = 0.50% Ni;≤ 0.50%;Cr ≤ 0.50%;thiab Mo ≤ 0.15%
    2. Rau txhua qhov kev txo qis ntawm 0.01% qis dua qhov teev max.concentration rau carbon, thiab nce ntawm 0.05% saum toj no max.concentration rau Mn yog tso cai, mus txog rau max.ntawm 1.65% rau qib ≥ B, tab sis ≤ = X52;mus txog max.ntawm 1.75% rau qib> X52, tab sis
    3. Tshwj tsis yog tias pom zoo NB + V ≤ 0.06%
    4. Nb + V + TI ≤ 0.15%
    5. Tshwj tsis yog tias pom zoo.
    6. Tshwj tsis yog tias pom zoo, NB + V = Ti ≤ 0.15%
    7. Tsis txhob txhob txwm tshaj tawm B raug tso cai thiab qhov seem B ≤ 0.001%

    Chemical Composition rau PSL 2 yeeb nkab nrog t ≤ 0.984 "

    Qib Steel

    Loj feem, % raws li kev ntsuas kub thiab cov khoom lag luam

    Carbon Equiv ib

    C

    mas b

    Si

    max

    Mn

    mas b

    P

    max

    S

    max

    V

    max

    Nb

    max

    Ti

    max

    Lwm yam

    CE IIW

    max

    CE Pwm

    max

    Seamless thiab Welded yeeb nkab

    BR

    0.24 ib

    0.40 Nws

    1.20

    0.025 ib

    0.015 ib

    c

    c

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X42 R

    0.24 ib

    0.40 Nws

    1.20

    0.025 ib

    0.015 ib

    0.06 ib

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    BN

    0.24 ib

    0.40 Nws

    1.20

    0.025 ib

    0.015 ib

    c

    c

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X42 N

    0.24 ib

    0.40 Nws

    1.20

    0.025 ib

    0.015 ib

    0.06 ib

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X46 N

    0.24 ib

    0.40 Nws

    1.40 Nws

    0.025 ib

    0.015 ib

    0.07 ib

    0.05 Nws

    0.04 ib

    d ,e,l

    .043 ib

    0.25

    X52 N

    0.24 ib

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    0.10

    0.05 Nws

    0.04 ib

    d ,e,l

    .043 ib

    0.25

    X56 N

    0.24 ib

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    0,10f ua

    0.05 Nws

    0.04 ib

    d ,e,l

    .043 ib

    0.25

    X 60 N

    0,24f ua

    0,45f ua

    1,40f ib

    0.025 ib

    0.015 ib

    0,10f ua

    0,05f ua

    0,04f ua

    g, h,l

    Raws li pom zoo

    BQ

    0.18

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    x42 qw

    0.18

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    x46 qw

    0.18

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    x52 qw

    0.18

    0.45 ib

    1.50 ib

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    x56 qw

    0.18

    0,45f ua

    1.50 ib

    0.025 ib

    0.015 ib

    0.07 ib

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    x60 qw

    0,18f ua

    0,45f ua

    1,70f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    x65 qw

    0,18f ua

    0,45f ua

    1,70f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    x70 qw

    0,18f ua

    0,45f ua

    1,80f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    x80 qw

    0,18f ua

    0,45f ua

    1,90f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    kuv, j

    Raws li pom zoo

    x90 qw

    0,16f ua

    0,45f ua

    1.90 ib

    0.020 ib

    0.010 ib

    g

    g

    g

    j,k ua

    Raws li pom zoo

    X100 Q

    0,16f ua

    0,45f ua

    1.90 ib

    0.020 ib

    0.010 ib

    g

    g

    g

    j,k ua

    Raws li pom zoo

    Welded yeeb nkab

    BM

    0.22

    0.45 ib

    1.20

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X42 M

    0.22

    0.45 ib

    1.30 Nws

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X46 M

    0.22

    0.45 ib

    1.30 Nws

    0.025 ib

    0.015 ib

    0.05 Nws

    0.05 Nws

    0.04 ib

    e,l ua

    .043 ib

    0.25

    X52 M

    0.22

    0.45 ib

    1.40 Nws

    0.025 ib

    0.015 ib

    d

    d

    d

    e,l ua

    .043 ib

    0.25

    x56m ua

    0.22

    0,45f ua

    1.40 Nws

    0.025 ib

    0.015 ib

    d

    d

    d

    e,l ua

    .043 ib

    0.25

    X 60 M

    0,12f ua

    0,45f ua

    1,60f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    X 65 M

    0,12f ua

    0,45f ua

    1,60f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    X 70 M

    0,12f ua

    0,45f ua

    1,70f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    h,l ua

    .043 ib

    0.25

    X80 M

    0,12f ua

    0,45f ua

    1,85f ua

    0.025 ib

    0.015 ib

    g

    g

    g

    kuv, j

    043f ib

    0.25

    X90 M

    0.10

    0,55f ua

    2.10f ib

    0.020 ib

    0.010 ib

    g

    g

    g

    kuv, j

    -

    0.25

    X 100 M

    0.10

    0,55f ua

    2.10f ib

    0.020 ib

    0.010 ib

    g

    g

    g

    kuv, j

    -

    0.25
    1. SMLS t> 0.787", CE txwv yuav tsum yog raws li kev pom zoo.CEIIW txwv siv fi C> 0.12% thiab CEPcm txwv siv yog C ≤ 0.12%
    2. Rau txhua qhov kev txo qis ntawm 0.01% qis dua qhov teev max.concentration rau carbon, thiab nce ntawm 0.05% saum toj no max.concentration rau Mn yog tso cai, mus txog rau max.ntawm 1.65% rau qib ≥ B, tab sis ≤ = X52;mus txog max.ntawm 1.75% rau qib> X52, tab sis
    3. Tshwj tsis yog tias pom zoo Nb = V ≤ 0.06%
    4. Nb = V = Ti ≤ 0.15%
    5. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50%;Ni ≤ 0.30% Cr ≤ 0.30% thiab Mo ≤ 0.15%
    6. Tshwj tsis yog tias pom zoo
    7. Tshwj tsis yog tias pom zoo, Nb + V + Ti ≤ 0.15%
    8. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 0.50% Cr ≤ 0.50% thiab MO ≤ 0.50%
    9. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.50% thiab MO ≤ 0.50%
    10. B ≤ 0.004%
    11. Tshwj tsis yog tias pom zoo, Cu ≤ 0.50% Ni ≤ 1.00% Cr ≤ 0.55% thiab MO ≤ 0.80%
    12. Rau tag nrho cov qib PSL 2 yeeb nkab tshwj tsis yog cov qib nrog cov lus hauv qab j sau tseg, cov hauv qab no siv tau.Tshwj tsis yog tias pom zoo tsis muaj kev xav ntxiv ntawm B raug tso cai thiab seem B ≤ 0.001%.

    Tensile thiab Yield - PSL1 thiab PSL2

    Qib Qib

    Tensile Properties - Yeeb Nkab Lub Cev ntawm SMLS thiab Welded Pipes PSL 1

    Seam ntawm Welded Yeeb Nkab

    Yield zog a

    Rt0,5 uaPSI Min

    Tensile zog a

    Rm PSI Min

    Elongation

    (hauv 2 hauv Af% min)

    Tensile zog b

    Rm PSI Min

    A

    30,500 ib

    48.600 Nws

    c

    48.600 Nws

    B

    35.500 Nws

    60,200 ib

    c

    60,200 ib

    X42

    42.100 Nws

    60,200 ib

    c

    60,200 ib

    X46

    46.400 Nws

    63.100 Nws

    c

    63.100 Nws

    X52

    52.200 Nws

    66,700 ib

    c

    66,700 ib

    X56

    56,600 ib

    71,100 ib

    c

    71,100 ib

    X 60

    60,200 ib

    75.400 Nws

    c

    75.400 Nws

    X 65

    65.300 Nws

    77,500 ib

    c

    77,500 ib

    X 70

    70,300 ib

    82,700 ib

    c

    82,700 ib
    ib.Rau qib nrab, qhov sib txawv ntawm qhov tsawg kawg nkaus tensile lub zog thiab qhov tsawg kawg nkaus tawm los rau lub cev yeeb nkab yuav tsum tau muab rau qib siab dua tom ntej.

    b.Rau cov qib nruab nrab, qhov tsawg kawg nkaus tensile lub zog rau lub vuam seam yuav tsum zoo ib yam li kev txiav txim rau lub cev siv ko taw ceeb toom a.

    c.Qhov tsawg kawg nkaus elongation, Af, qhia nyob rau hauv feem pua ​​​​thiab sib npaug mus rau qhov ze tshaj plaws feem pua, yuav tsum txiav txim siab siv cov kab zauv hauv qab no:

    Qhov twg C yog 1 940 rau kev suav siv Si units thiab 625 000 rau kev suav siv USC units

    Axc uayog siv tau tensile xeem piece cross-sectional cheeb tsam, qhia nyob rau hauv square millimeters (square inches), raws li nram no

    - Rau kev sib tw hla ntu, 130mm2 (0.20 hli2) rau 12.7 hli (0.500 nyob rau hauv) thiab 8.9 hli (.350 nyob rau hauv) txoj kab uas hla xeem daim;thiab 65 mm2(0.10 hli2) rau 6.4 hli (0.250in) txoj kab uas hla xeem daim.

    - Rau tag nrho cov ntawv xeem, qhov tsawg dua ntawm a) 485 mm2(0.75 hli2) thiab b) qhov chaw hla ntu ntawm daim ntawv xeem, muab tau los ntawm kev siv cov txheej txheem sab nraud thiab cov phab ntsa tuab ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli2(0.10 hli2)

    - Rau daim ntawv xeem strip, qhov tsawg dua ntawm a) 485 mm2(0.75 hli2) thiab b) thaj tsam ntawm qhov kev sib tw ntawm daim ntawv xeem, muab tau los ntawm qhov dav dav ntawm daim ntawv xeem thiab cov txheej txheem phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli.2(0.10 hli2)

    U yog qhov tsawg kawg nkaus tensile lub zog, qhia hauv megapascals (phaus ib square inch)

    Qib Qib

    Tensile Properties - Yeeb Nkab Lub Cev ntawm SMLS thiab Welded Pipes PSL 2

    Seam ntawm Welded Yeeb Nkab

    Yield zog a

    Rt0,5 uaPSI Min

    Tensile zog a

    Rm PSI Min

    Ratio ib, c

    R10,5 ibIRm

    Elongation

    (hauv 2 hauv)

    Af%

    Tensile zog d

    Rm(psi)

    Yam tsawg kawg nkaus

    Qhov siab tshaj plaws

    Yam tsawg kawg nkaus

    Qhov siab tshaj plaws

    Qhov siab tshaj plaws

    Yam tsawg kawg nkaus

    Yam tsawg kawg nkaus
    BR, BN, BQ, BM

    35.500 Nws

    65.300 Nws

    60,200 ib

    95,000 ib

    0.93 ua

    f

    60,200 ib
    X42, X42R, X2Q, X42M

    42.100 Nws

    71,800 ib

    60,200 ib

    95,000 ib

    0.93 ua

    f

    60,200 ib
    X46N,X46Q,X46M

    46.400 Nws

    76,100 ib

    63.100 Nws

    95,000 ib

    0.93 ua

    f

    63.100 Nws
    X52N,X52Q,X52M

    52.200 Nws

    76,900 ib

    66,700 ib

    110, 200 Nws

    0.93 ua

    f

    66,700 ib
    X56N,X56Q,X56M

    56,600 ib

    79,000 ib

    71,100 ib

    110, 200 Nws

    0.93 ua

    f

    71,100 ib
    X60N, X60Q, S60M

    60,200 ib

    81,900 ib

    75.400 Nws

    110, 200 Nws

    0.93 ua

    f

    75.400 Nws
    X65Q, X65M

    65.300 Nws

    87,000 ib

    77,600 ib

    110, 200 Nws

    0.93 ua

    f

    76,600 ib
    X70, X65M

    70,300 ib

    92,100 ib

    82,700 ib

    110, 200 Nws

    0.93 ua

    f

    82,700 ib
    X80Q, X80M

    80.500 Nws

    102.300 Nws

    90,600 ib

    119.700 Nws

    0.93 ua

    f

    90,600 ib
    ib.Rau qib nrab, xa mus rau tag nrho API5L specification.

    b.rau qib> X90 xa mus rau tag nrho API5L specification.

    c.Qhov kev txwv no siv rau pies nrog D> 12.750 nyob rau hauv

    d.Rau cov qib nruab nrab, qhov tsawg kawg nkaus tensile lub zog rau lub vuam seam yuav tsum yog tib tus nqi raws li tau txiav txim siab rau cov yeeb nkab lub cev siv ko taw a.

    e.rau cov yeeb nkab uas xav tau kev sim longitudinal, qhov siab tshaj plaws tawm los yuav tsum yog ≤ 71,800 psi

    f.Qhov tsawg kawg nkaus elongation, Af, qhia nyob rau hauv feem pua ​​​​thiab sib npaug mus rau qhov ze tshaj plaws feem pua, yuav tsum txiav txim siab siv cov kab zauv hauv qab no:

    Qhov twg C yog 1 940 rau kev suav siv Si units thiab 625 000 rau kev suav siv USC units

    Axc uayog siv tau tensile xeem piece cross-sectional cheeb tsam, qhia nyob rau hauv square millimeters (square inches), raws li nram no

    - Rau kev sib tw hla ntu, 130mm2 (0.20 hli2) rau 12.7 hli (0.500 nyob rau hauv) thiab 8.9 hli (.350 nyob rau hauv) txoj kab uas hla xeem daim;thiab 65 mm2(0.10 hli2) rau 6.4 hli (0.250in) txoj kab uas hla xeem daim.

    - Rau tag nrho cov ntawv xeem, qhov tsawg dua ntawm a) 485 mm2(0.75 hli2) thiab b) qhov chaw hla ntu ntawm daim ntawv xeem, muab tau los ntawm kev siv cov txheej txheem sab nraud thiab cov phab ntsa tuab ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli2(0.10 hli2)

    - Rau daim ntawv xeem strip, qhov tsawg dua ntawm a) 485 mm2(0.75 hli2) thiab b) thaj tsam ntawm qhov kev sib tw ntawm daim ntawv xeem, muab tau los ntawm qhov dav dav ntawm daim ntawv xeem thiab cov txheej txheem phab ntsa thickness ntawm cov yeeb nkab, sib npaug mus rau qhov ze tshaj 10 hli.2(0.10 hli2)

    U yog qhov tsawg kawg nkaus tensile lub zog, qhia nyob rau hauv megapascals (phaus ib square inch

    g.Tus nqi qis rau R10,5 ibIRm tej zaum yuav tau teev tseg los ntawm kev pom zoo

    h.rau qib> x90 xa mus rau tag nrho API5L specification.

    Hydrostatic Test

    Cov yeeb nkab kom tiv taus qhov kev sim hydrostatic yam tsis muaj qhov xau los ntawm cov hlua khi los yog cov yeeb nkab lub cev.Jointers tsis tas yuav tsum tau kuaj hydrostatic muab cov yeeb nkab seem siv tau zoo kuaj.

    Khoov Test

    Tsis muaj kab nrib pleb yuav tsum tshwm sim nyob rau hauv ib feem ntawm daim ntawv xeem thiab tsis qhib lub vuam yuav tsum tshwm sim.

    Flattening Test

    Kev lees txais cov qauv rau kev kuaj flattening yuav tsum yog
    a) EW kav dej D <12.750 in
    -≥ X60 nrog T≥0.500in, yuav tsum tsis txhob qhib qhov vuam ua ntej qhov kev ncua deb ntawm daim hlau yog tsawg dua 66% ntawm tus thawj sab nraud txoj kab uas hla.Rau txhua qib thiab phab ntsa, 50%.
    -Rau cov yeeb nkab nrog D / t> 10, yuav tsum tsis txhob qhib qhov vuam ua ntej qhov kev ncua deb ntawm daim hlau yog tsawg dua 30% ntawm qhov qub sab nraud.
    b) Rau lwm qhov ntau thiab tsawg xa mus rau tag nrho API5L specification

    CVN cuam tshuam kuaj rau PSL2

    Ntau PSL2 yeeb nkab qhov ntau thiab tsawg yuav tsum tau CVN.Seamless yeeb nkab yuav tsum tau kuaj hauv lub cev.Welded yeeb nkab yuav tsum tau sim nyob rau hauv lub cev, yeeb nkab Weld thiab tshav kub cuam tshuam cheeb tsam (HAZ).Xa mus rau tag nrho API5L specification rau daim ntawv qhia qhov ntau thiab tsawg thiab qib thiab yuav tsum tau absorbed zog qhov tseem ceeb.

    Tolerances sab nraud txoj kab uas hla, Tawm ntawm roundness thiab phab ntsa thickness

    Specified Sab Nraum D (hauv)

    Txoj kab uas hla Tolerance, nti d

    Out-of-Roundness Tolerance nyob rau hauv

    Cov yeeb nkab tsuas yog qhov kawg a

    cev a,b,c

    Yeeb tsuas yog qhov kawg a

    Pipe End a,b,c

    SMLS cev

    Welded yeeb nkab

    SMLS cev

    Welded yeeb nkab

    <2.375 Nws

    -0.031 rau + 0.016

    - 0.031 rau + 0.016

    0.048 ib

    0.036 ib

    ≥2.375 txog 6.625

    +/- 0.0075D

    		 - 0.016 rau + 0.063

    0.020D rau

    Los ntawm kev pom zoo rau

    0.015D rau

    Los ntawm kev pom zoo rau

    > 6.625 rau 24.000

    +/- 0.0075D

    +/- 0.0075D, tab sis max ntawm 0.125

    +/- 0.005D, tab sis max ntawm 0.063

    0.020d ua

    0.015d ua

    > 24 rau 56

    +/- 0.01D

    +/- 0.005D tab sis max ntawm 0.160

    +/- 0.079 Nws

    +/- 0.063

    0.015D tab sis max ntawm 0.060

    Rau

    Los ntawm kev pom zoo

    rau

    0.01D tab sis max ntawm 0.500

    Rau

    Los ntawm kev pom zoo

    rau
    > 56 Raws li pom zoo
    1. Cov yeeb nkab kawg suav nrog qhov ntev ntawm 4 hauv noj txhua qhov ntawm cov yeeb nkab extremities
    2. Rau SMLS yeeb nkab kev kam rau siab thov rau t≤0.984in thiab qhov kam rau ua rau cov yeeb nkab tuab yuav tsum yog raws li kev pom zoo
    3. Rau cov yeeb nkab nthuav dav nrog D≥8.625in thiab rau cov yeeb nkab uas tsis txuas ntxiv, txoj kab uas hla ntawm kev kam rau siab thiab qhov tawm ntawm qhov sib npaug tuaj yeem txiav txim siab siv qhov ntsuas hauv txoj kab uas hla lossis ntsuas hauv txoj kab uas hla es tsis yog OD teev.
    4. Rau kev txiav txim siab ua raws li txoj kab uas hla txoj kab uas hla, cov yeeb nkab txoj kab uas hla yog txhais raws li lub voj voog ntawm cov yeeb nkab nyob rau hauv ib lub dav hlau circumferential faib los ntawm Pi.

    Phab ntsa thickness

    t ntiv

    Tolerances ib

    ntiv tes

    SMLS cev b

    ≤ 0.157

    + 0.024 / – 0.020

    > 0.157 rau <0.948

    + 0.150t / - 0.125t

    ≥ 0.984

    + 0.146 lossis + 0.1t, qhov twg yog qhov ntau dua

    - 0.120 lossis - 0.1t, qhov twg yog qhov ntau dua

    welded cev c,d

    ≤ 0.197

    +/- 0.020
    > 0.197 rau <0.591

    +/- 0.1t

    ≥ 0.591

    +/- 0.060
    1. Yog hais tias qhov kev txiav txim yuav qhia txog qhov kev zam txim rau cov phab ntsa tuab me dua li cov nqi siv tau muab rau hauv cov lus no, qhov ntxiv rau kev kam rau cov phab ntsa tuab yuav tsum tau nce ntxiv los ntawm tus nqi txaus los tswj cov kev kam rau siab.
    2. Rau cov yeeb nkab nrog D≥ 14.000 nyob rau hauv thiab t≥0.984in, phab ntsa thickness kam rau ua nyob rau hauv lub zos tej zaum yuav tshaj qhov ntxiv kam rau ua rau phab ntsa thickness los ntawm ib tug ntxiv 0.05t muab hais tias qhov ntxiv kam rau ua rau huab hwm coj tsis tshaj.
    3. Qhov ntxiv kam rau ua rau phab ntsa thickens tsis siv rau qhov chaw weld
    4. Saib tag nrho API5L spec kom paub meej
  • Yav dhau los:
  • Tom ntej:
    • Sau koj cov lus ntawm no thiab xa tuaj rau peb

    Cov khoom qeb