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    API 5L 46aad Sharaxaadda daabacaadda ee safka laga qabo

    API 5L 46aad Sharaxaadda daabacaadda ee Khadka Tooska ah ee Muuqaalka Muuqaalka
    • API 5L 46aad Sharaxaadda daabacaadda ee safka laga qabo

    Sharraxaadda Gaaban:

    Waxaa lagu cayimay soo-saarista laba heerar wax soo saar (PSL1 iyo PSL2) ee tuubbada saliida ee saliida leh ee loo adeegsado dhuumaha batroolka iyo gaaska dabiiciga ah. U adeegsiga qalabka ee loo adeegsado arjiga adeegga ee dhanaan ee tixraac Linex H iyo in la tixraaco arjiga adeegga ee ka baxsan ee ka-hortagga ah tixraac Annex J of api5l 45aad.


    Si faahfaafo

    Calaamadaha wax soo saarka

    Xaaladda gaarsiinta

    Psl Xaaladda gaarsiinta Fasalka tuubada
    Psl1 Asluus, caadi ahaan, caadi ahaan la sameeyay

    A
    As-lolled, caadi ahaan loo duubay, heerkulbeeg galka ah, thermo-farsamo-yaqaanka la sameeyay, caadi u ah la sameeyay, caadi ah, caadi ah, caadi ah ama haddii ay ku heshiiyeen Q & T SMLs oo keliya

    B
    As-lolled, caadi ahaan loo duubay, heerkulbeegyada la duubay, thermo-farsamo-yaqaanka la sameeyay, caadi ahaan loo sameeyay, caadi ah, caadi ah, caadi ah oo xanaaqsan X42, x46, x52, x56, x60, x65, x70
    Psl 2 Sida loo duubay

    Br, x42r
    Caadi ahaan loo duubay, caadi ah oo la sameeyay, caadi ah ama caadi ah oo qabow Bn, x42n, x46n, x52n, x56n, x60n
    Dabool oo xanaaqsan BQ, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q, X100Q, X100Q, X100Q, X100Q
    Thermaconal-ga permaconal ama themermomechanical la sameeyay Bm, x42m, x46m, x56m, x60m, x65m, x70m, x30m
    Thermanal-ka X90m, x100m, x120m
    Ku habboon (r, n, q ama m) darajooyinka psl2, waxaa iska leh fasalka birta

    Amarka macluumaadka

    Amarka iibka waa inuu kujiraa tirada, heerka put, nooca ama fasalka, kala-baxa api5l, dhumucdo kale oo la xiriira ,, kululaynta, hanaanka wax soo saarka, hanaanka wax soo saarka, jaakadaha salka ama dhamaadka dhamaadka.

    Geedi socodka caadiga ah ee waxsoosaarka

    Nooca tuubada

    Psl 1

    Psl 2
    Fasalka a Fasalka B X42 ilaa x70 B to x80 X80 ilaa x100
    Smls

    ü

    ü

    ü

    ü

    ü
    Lfw

    ü

    ü

    ü
    Hfw

    ü

    ü

    ü

    ü
    LW

    ü
    Fircde

    ü

    ü

    ü

    ü

    ü
    Shed

    ü

    ü

    ü

    ü

    ü
    SMLs - seamal la'aan, la'aantiis

    Lfw - soo noqnoqoshada hoose ee tuubbooyinka dharka, <70 khz

    Hfw - soo noqnoqoshada sare ee dharka lagu dhejiyo,> 70 khz

    Shedl - proce-arc alxamida luminta

    Shed - Satc-ka-arc-arc alxamitil oned

    Bilaabidda wax

    Ilots, ubaxyo, xayndaab ama taargooyin loo isticmaalo soo saarista tuubbada soosocda, oksijiinka aasaasiga ah, foornada korantada ama dhawaq furan ama dhawaq furan oo ay weheliso hanaanka dib-u-habeynta. Waayo, PSL2, ayaa loo dilayaa intay birta lagu dilo oo lagu dhalaali doonaa si waafaqsan dhaqanka hadhuudhka wanaagsan. Xarkaha ama saxanka loo isticmaalo biibiile psl2 ma ku jiri doono wax daboolida oo kale.

    Isku-darka kiimikada ee PSL 1 tuubbada leh t ≤ 0.984 "

    Fasalka birta

    Jajab ballaaran,% ku saleysan raaxada iyo falanqaynta sheyga a, g

    C

    ugu max b

    Mn

    ugu max b

    P

    dixiri

    S

    dixiri

    V

    dixiri

    Nb

    dixiri

    Ti

    dixiri

    Tuubbada lafaha

    A

    0.22

    0.90

    0.30

    0.30

    -

    -

    -

    B

    0.28

    1.20

    0.30

    0.30

    c, d

    c, d

    d

    X42

    0.28

    1.30

    0.30

    0.30

    d

    d

    d

    X46

    0.28

    1.40

    0.30

    0.30

    d

    d

    d

    X52

    0.28

    1.40

    0.30

    0.30

    d

    d

    d

    X56

    0.28

    1.40

    0.30

    0.30

    d

    d

    d

    X60

    0.28 e

    1.40 e

    0.30

    0.30

    f

    f

    f

    X65

    0.28 e

    1.40 e

    0.30

    0.30

    f

    f

    f

    X70

    0.28 e

    1.40 e

    0.30

    0.30

    f

    f

    f

    Tuubbooyinka welded

    A

    0.22

    0.90

    0.30

    0.30

    -

    -

    -

    B

    0.26

    1.2

    0.30

    0.30

    c, d

    c, d

    d

    X42

    0.26

    1.3

    0.30

    0.30

    d

    d

    d

    X46

    0.26

    1.4

    0.30

    0.30

    d

    d

    d

    X52

    0.26

    1.4

    0.30

    0.30

    d

    d

    d

    X56

    0.26

    1.4

    0.30

    0.30

    d

    d

    d

    X60

    0.26 e

    1.40 e

    0.30

    0.30

    f

    f

    f

    X65

    0.26 e

    1.45 e

    0.30

    0.30

    f

    f

    f

    X70

    0.26E

    1.65 e

    0.30

    0.30

    f

    f

    f
    1. Cu ≤ = 0.50% ni; ≤ 0.50%; CR ≤ 0.50%; iyo mo ≤ 0.15%
    2. Wixii yareyn kasta oo ah 0.01% ee ka hooseeya max. U fiirsashada kaarboon, iyo kororka 0.05% ee ka sarreeya max. U fiirsashada MN waa la oggol yahay, ilaa ugu badh. 1.65% fasalada ≥ b, laakiin ≤ = x52; ilaa max. 1.75% ee fasalada> x52, laakiin <x70; iyo ugu badnaan 2.00% x70.
    3. Haddii aan si kale loo helin nb + v ≤ 0.06%
    4. Nb + v + ti ≤ 0.15%
    5. Haddii aan si kale loo helin mooyee.
    6. Haddii si kale loo oggolaado, NB + v = ti 0.15%
    7. Loogu yeelo si ula kac ah ee b waa la oggol yahay iyo haraaga b ≤ 0.001%

    Isku-darka kiimikada ee PSL 2 Twine oo leh t ≤ 0.984 "

    Fasalka birta

    Jajab ballaaran,% ku saleysan falanqaynta kuleylka iyo badeecada

    Kaarboon equiv a

    C

    ugu max b

    Si

    dixiri

    Mn

    ugu max b

    P

    dixiri

    S

    dixiri

    V

    dixiri

    Nb

    dixiri

    Ti

    dixiri

    Kale

    CE IIW

    dixiri

    CE PCM

    dixiri

    Tuubbooyin la'aan iyo gogosha gogosha

    BR

    0.24

    0.40

    1.20

    0.025

    0.015

    c

    c

    0.04

    e, l

    .043

    0.25

    X42r

    0.24

    0.40

    1.20

    0.025

    0.015

    0.06

    0.05

    0.04

    e, l

    .043

    0.25

    BN

    0.24

    0.40

    1.20

    0.025

    0.015

    c

    c

    0.04

    e, l

    .043

    0.25

    X42n

    0.24

    0.40

    1.20

    0.025

    0.015

    0.06

    0.05

    0.04

    e, l

    .043

    0.25

    X46n

    0.24

    0.40

    1.40

    0.025

    0.015

    0.07

    0.05

    0.04

    d, e, l

    .043

    0.25

    X52n

    0.24

    0.45

    1.40

    0.025

    0.015

    0.10

    0.05

    0.04

    d, e, l

    .043

    0.25

    X56N

    0.24

    0.45

    1.40

    0.025

    0.015

    0.10f

    0.05

    0.04

    d, e, l

    .043

    0.25

    X60N

    0.24f

    0.45F

    1.40F

    0.025

    0.015

    0.10f

    0.05F

    0.04F

    g, h, l

    Sida lagu heshiiyay

    BQ

    0.18

    0.45

    1.40

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X42Q

    0.18

    0.45

    1.40

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X46Q

    0.18

    0.45

    1.40

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X52Q

    0.18

    0.45

    1.50

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X56Q

    0.18

    0.45F

    1.50

    0.025

    0.015

    0.07

    0.05

    0.04

    e, l

    .043

    0.25

    X60Q

    0.18f

    0.45F

    1.70F

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X65Q

    0.18f

    0.45F

    1.70F

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X70q

    0.18f

    0.45F

    1.80f

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X80Q

    0.18f

    0.45F

    1.90F

    0.025

    0.015

    g

    g

    g

    i, j

    Sida lagu heshiiyay

    X90Q

    0.16f

    0.45F

    1.90

    0.020

    0.010

    g

    g

    g

    j, k

    Sida lagu heshiiyay

    X100Q

    0.16f

    0.45F

    1.90

    0.020

    0.010

    g

    g

    g

    j, k

    Sida lagu heshiiyay

    Tuubbooyinka welded

    BM

    0.22

    0.45

    1.20

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X42m

    0.22

    0.45

    1.30

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X46m

    0.22

    0.45

    1.30

    0.025

    0.015

    0.05

    0.05

    0.04

    e, l

    .043

    0.25

    X52m

    0.22

    0.45

    1.40

    0.025

    0.015

    d

    d

    d

    e, l

    .043

    0.25

    X56m

    0.22

    0.45F

    1.40

    0.025

    0.015

    d

    d

    d

    e, l

    .043

    0.25

    X60m

    0.12f

    0.45F

    1.60F

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X65m

    0.12f

    0.45F

    1.60F

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X70m

    0.12f

    0.45F

    1.70F

    0.025

    0.015

    g

    g

    g

    h, l

    .043

    0.25

    X80M

    0.12f

    0.45F

    1.85F

    0.025

    0.015

    g

    g

    g

    i, j

    .043f

    0.25

    X90m

    0.10

    0.55F

    2.10F

    0.020

    0.010

    g

    g

    g

    i, j

    -

    0.25

    X100M

    0.10

    0.55F

    2.10F

    0.020

    0.010

    g

    g

    g

    i, j

    -

    0.25
    1. SMLS T> 0.787 ", xadka CE waa inuu ahaadaa sidii lagu heshiiyay
    2. Wixii yareyn kasta oo ah 0.01% ee ka hooseeya max. U fiirsashada kaarboon, iyo kororka 0.05% ee ka sarreeya max. U fiirsashada MN waa la oggol yahay, ilaa ugu badh. 1.65% fasalada ≥ b, laakiin ≤ = x52; ilaa max. 1.75% ee fasalada> x52, laakiin <x70; iyo ugu badnaan 2.00% x70.
    3. Haddii aan si kale loo helin nb = v ≤ 0.06%
    4. Nb = v = ti 0 0.15%
    5. Haddii si kale loo raacsan yahay, CU ≤ 0.50%; Ni ≤ 0.30% cr ≤ 0.30% iyo mo ≤ 0.15%
    6. Haddii aan si kale loo helin mooyee
    7. Haddii aan si kale loo raacsan yahay, NB + v + ti ≤ 0.15%
    8. Haddii aan si kale loo helin, CU ≤ 0.50% ni ≤ 0.50% cr ≤ 0.50% iyo mo ≤ 0.50%
    9. Haddii aan si kale loo raacsan yahay, CU ≤ 0.50% ni ≤ 1.00% cr ≤ 0.50% iyo mo ≤ 0.50%
    10. B ≤ 0.004%
    11. Haddii si kale loo raacsan yahay, 0.50% ni ≤ 1.00% cr ≤ 0.55% iyo mo ≤ 0.80%
    12. Dhammaan fasalada PSL 2 ee PSL 2 marka laga reebo buundooyinkaas oo leh qoraallo hoose, soo socdaa ayaa lagu dabaqaa. Haddii aan si kale loo helin in si ula kac ah loo daro b loo oggol yahay oo harsan yahay b ≤ 0.001%.

    TSensile iyo dhalid - psl1 iyo psl2

    Fasalka tuubada

    Guryaha TSensile - Jirka Pipe ee SMLs iyo tuubooyinka Weerarka ee PSL 1

    Tolidda tuubbada gogosha

    Xoog u yeelo a

    Rt0,5PSI MIN

    Awooda Tsile A

    Rm psi min

    Doogis

    (In 2in af% yar)

    Tsile xoog b

    Rm psi min

    A

    30,500

    48,600

    c

    48,600

    B

    35,500

    60,200

    c

    60,200

    X42

    42,100

    60,200

    c

    60,200

    X46

    46,400

    63,100

    c

    63,100

    X52

    52,200

    66,700

    c

    66,700

    X56

    56,600

    71,100

    c

    71,100

    X60

    60,200

    75,400

    c

    75,400

    X65

    65,300

    77,500

    c

    77,500

    X70

    70,300

    82,700

    c

    82,700
    a. Fasalka dhexe, farqiga u dhexeeya xoogga ugu yar ee khafiifka ah iyo dhalidda ugu yar ee la cayimay ee jidhka tuubbada waa inuu ahaadaa sida ugu sareeya ee heerka xiga.

    b. Fasalada dhexe, ee ku xusan awooda ugu yar ee khafiifka ah ee loogu talagalay yer-ka al-werd to tem waxay la mid noqon doontaa sida loo go'aamiyo jirka iyadoo la adeegsanayo cagaha galka a.

    c. Muddada ugu yar ee la cayimay, af, Waxaa lagu muujiyey boqolkiiba oo lagu soo koobay boqolkiiba ugu dhow, waxaa lagu go'aamin doonaa iyadoo la adeegsanayo isleegtan soo socda:

    Halkee c

    Axcwaa kan lagu dabaqi karo Qaybta imtixaanka ee TSensile ee aagga isku-dhafka ah, oo lagu muujiyey mihilitir labajibbaarane (injiing laba jibaaran), sida soo socota

    - Qaybaha imtixaanka qaybta wareega ee wareega qaybta, 130mm2 (0.20 gudaha2) 12.7 mm (0.500 gudaha) iyo 8.9 mm (.350 gudaha) dhexroor ah oo dhexroor ah; iyo 65 mm2(0.10 gudaha2) 6.4 mm (0.250in) gogo 'dhexroor.

    - qaybo ka mid ah imtixaanka-buuxa, oo ka yar a) 485 mm2(0.75 gudaha2) iyo b) Qaybta iskutallaabta ee qaybta imtixaanka, oo laga soo qaatay iyadoo la adeegsanayo dhexroor dibadda ah oo la cayimay iyo dhumucda darbiga ee la cayimay ee tuubbada, oo loo qaybiyay 10 mm ee kuugu dhow2(0.10in2)

    - Si aad u hesho gogo 'strip ah, oo ka yar a) 485 mm2(0.75 gudaha2) iyo b) Qaybta iskutallaabta ee qeybta imtixaanka, oo laga soo qaatay iyadoo la adeegsanayo ballackii loo cayimay ee ah qeybta imtixaanka iyo dhumucda darbiga ee la cayimay ee tuubbada, oo ku wareegsan 10 mm ee kuugu dhow2(0.10in2)

    U waa xoogga ugu yar ee khafiifka ah ee loo cayimay, oo lagu muujiyey Megapas-ka (Pounds halkii inji)

    Fasalka tuubada

    Guryaha TSensile - Jirka Pipe ee SMLs iyo Weerarka Weelka PSL 2

    Tolidda tuubbada gogosha

    Xoog u yeelo a

    Rt0,5PSI MIN

    Awooda Tsile A

    Rm psi min

    Saamiga a, c

    R10,5IRm

    Doogis

    (in 2kin)

    Af%

    Tsile xoog d

    Rm(PSI)

    Heer ugu yar

    Heer ugu badan

    Heer ugu yar

    Heer ugu badan

    Heer ugu badan

    Heer ugu yar

    Heer ugu yar
    Br, bn, bq, bm

    35,500

    65,300

    60,200

    95,000

    0.93

    f

    60,200
    X42, x42r, x2Q, x42m

    42,100

    71,800

    60,200

    95,000

    0.93

    f

    60,200
    X46N, X46Q, X46M

    46,400

    76,100

    63,100

    95,000

    0.93

    f

    63,100
    X52n, x52Q, x52m

    52,200

    76,900

    66,700

    110,200

    0.93

    f

    66,700
    X56n, x56Q, x56m

    56,600

    79,000

    71,100

    110,200

    0.93

    f

    71,100
    X60n, x60q, s60m

    60,200

    81,900

    75,400

    110,200

    0.93

    f

    75,400
    X65Q, x65m

    65,300

    87,000

    77,600

    110,200

    0.93

    f

    76,600
    X70q, x65m

    70,300

    92,100

    82,700

    110,200

    0.93

    f

    82,700
    X80Q, X80M

    80 ,.500

    102,300

    90,600

    119,700

    0.93

    f

    90,600
    a. Fasalka dhexe, tixraac faahfaahinta API5l oo dhan.

    b. Fasalada> x90 waxay tixraacdaa shahaadada API5 ee buuxa.

    c. Xadkaasi wuxuu khuseeyaa buugga leh d> 12.750 gudaha

    d. Fasalada dhexe, xoogga ugu yar ee khafiifka ah ee loo yaqaan 'Weld thort tom' waa isku mid la mid ah sida loo go'aamiyay jirka tuubbada iyadoo la adeegsanayo cagta a.

    e. Loogu talagalay tuubbada u baahan tijaabada dheer, xoogga ugu badan ee dhalidda waxay noqon doontaa ≤ 71,800 psi

    f. Muddada ugu yar ee la cayimay, af, Waxaa lagu muujiyey boqolkiiba oo lagu soo koobay boqolkiiba ugu dhow, waxaa lagu go'aamin doonaa iyadoo la adeegsanayo isleegtan soo socda:

    Halkee c

    Axcwaa kan lagu dabaqi karo Qaybta imtixaanka ee TSensile ee aagga isku-dhafka ah, oo lagu muujiyey mihilitir labajibbaarane (injiing laba jibaaran), sida soo socota

    - Qaybaha imtixaanka qaybta wareega ee wareega qaybta, 130mm2 (0.20 gudaha2) 12.7 mm (0.500 gudaha) iyo 8.9 mm (.350 gudaha) dhexroor ah oo dhexroor ah; iyo 65 mm2(0.10 gudaha2) 6.4 mm (0.250in) gogo 'dhexroor.

    - qaybo ka mid ah imtixaanka-buuxa, oo ka yar a) 485 mm2(0.75 gudaha2) iyo b) Qaybta iskutallaabta ee qaybta imtixaanka, oo laga soo qaatay iyadoo la adeegsanayo dhexroor dibadda ah oo la cayimay iyo dhumucda darbiga ee la cayimay ee tuubbada, oo loo qaybiyay 10 mm ee kuugu dhow2(0.10in2)

    - Si aad u hesho gogo 'strip ah, oo ka yar a) 485 mm2(0.75 gudaha2) iyo b) Qaybta iskutallaabta ee qeybta imtixaanka, oo laga soo qaatay iyadoo la adeegsanayo ballackii loo cayimay ee ah qeybta imtixaanka iyo dhumucda darbiga ee la cayimay ee tuubbada, oo ku wareegsan 10 mm ee kuugu dhow2(0.10in2)

    U waa meesha ugu yar ee khafiifka ah ee loo cayimay, oo lagu muujiyey Megapas-ka (Pounds halkii inji labajibbaarane

    g. Qiimaha hoose ee fo r10,5IRm waa la cayimi karaa heshiis

    h. Fasalada> x90 waxay tixraacdaa shahaadada API5 ee buuxa.

    Imtixaanka Hydrostatic

    Tuub si loo hor istaago baaritaanka biyo-baxa adigoon ka daadanin ku-daynta godka weldka ama jirka tuubbada. Wada-baxayaasha uma baahna in hawo-haynta lagu tijaabiyo siinta qaybaha tuubbada la isticmaalay si guul leh loo tijaabiyey.

    Tijaabada Bend

    Cill dildilaaca ah ma dhici doonaan qayb kasta oo ka mid ah qeybta imtixaanka oo aan furin dhagaxa waa in ay dhacaan.

    Imtixaanka Flatten

    Shuruudaha aqbalaadda ee imtixaanka jilicsan ayaa noqon doona
    a) ew tuubooyinka D <12.750 gudaha
    -≥ x60 oo leh t≥0.500in, ma jiri doonto dhagaxa weld ka hor intaanay masaafada u dhexeysa taarikada ay ka yar tahay 66% ee dhexroorkii dibedda. Dhamaan buundooyinka iyo darbiga, 50%.
    -Farka leh tuubbada d / t> 10, ma jiri doonto dhagaxa weld ka hor intaanay masaafada u dhexeysa taarikada ay ka yar tahay 30% dhexroorkii dibedda.
    b) Cabbirrada kale waxay tixraacaan faahfaahinta api5l oo dhan

    Imtixaanka Saamaynta CVN ee PSL2

    Cabbirro badan oo PSL2 ah iyo buundooyin ayaa u baahan CVN. Tuub fadhiisi oo aad u jajaban waa in lagu tijaabiyaa jirka. Tuubbada qaybaha waa in lagu tijaabiyaa jirka, ppe Wex iyo aagga kuleylka kuleylka (Haz). Tixraac faahfaahinta API5-ka oo dhan ee shaxanka cabirrada iyo buundooyinka waxaana loo baahan yahay qiyamka tamarta.

    Dulqaadashooyinka ka baxsan dhexroor, ka soo baxa wareegga iyo dhumucda darbiga

    Cayiman dhexroor d (gudaha)

    Dulqaadashada dhexroor, inches d

    Dulqaad-ka-saarid ah

    Tuubbo marka laga reebo dhamaadka a

    Tilmaanta dhamaadka, b, c

    Tuubbo marka laga reebo dhamaadka a

    Tilmaanta dhamaadka, b, c

    Smls tuubada

    Tuubbooyinka welded

    Smls tuubada

    Tuubbooyinka welded

    <2.375

    -031 illaa + 0.016

    - 0.031 ilaa + 0.016

    0.048

    0.036

    ≥2.375 ilaa 6.625

    +/-.0075d

    		 - 0.016 ilaa + 0.063

    0.020D oo loogu talagalay

    Heshiis loogu talagalay

    0.015d for

    Heshiis loogu talagalay

    > 6.625 ilaa 24.000

    +/-.0075d

    +/-.0075d, laakiin ugu badnaan 0.125

    +/- 0.005d, laakiin ugu badnaan 0.063

    0.020D

    0.015D

    > 24 ilaa 56

    +/- 0.01d

    +/-.005d laakiin ugu badnaan 0.160

    +/- 0.079

    +/- 0.063

    0.015d oo ah laakiin ugu badnaan 0.060

    Loogu tala-galay

    Heshiis

    loogu tala-galay

    0.01d oo ah laakiin ugu badnaan 0.500

    Loogu tala-galay

    Heshiis

    loogu tala-galay
    > 56 Sida lagu heshiiyay
    1. Dhamaadka tuubbada waxaa ku jira dherer 4 ah oo ah mid kasta oo ka mid ah tuugada tuubbada
    2. Loogu talagalay SMLS Dulqaadashada Codsashada TE20.984in iyo dulqaadashada loogu talagalay tuubbada dhumucda ayaa noqon doona sidii lagu heshiiyay
    3. Buundada lagu ballaariyey ee Dast8.625in iyo tuubbada aan balaaran, dulqaadka dhexroor iyo dulqaadka wareejinta ayaa laga yaabaa in lagu xisaabiyo iyadoo lagu xisaabiyo dhexroor dhexroor gudaha ah halkii ay ahayd oct dhexroolka.
    4. Markii la go'aaminayo u hoggaansanaanta u hoggaansanaanta dulqaad la'aanta, dhexroorku waxaa lagu qeexaa sida wareegga tuubbada ah ee diyaaradda kasta oo loo qaybiyo PI.

    Dhumuc darbiyada

    inji

    Duuqa a

    inji

    Smls tuubbada b b

    ≤ 0.157

    + 0.024 / - 0.020

    > 0.157 to <0.948

    + 0.150T / - 0.125t

    ≥ 0.984

    + 0.146 ama + 0.1T, hadba kan weyn

    - 0.120 ama - 0.1T, hadba kan weyn

    Juged zipe c, d

    ≤ 0.197

    +/- 0.020
    > 0.197 to <0.591

    +/-.1T

    ≥ 0.591

    +/- 0.060
    1. Haddii Amarka iibka uu qeexayo u dulqaadashada laga jaro ee qaro weyn oo ka yar qiimaha lagu dabaqi karo ee miiskan, dulqaadka lagu daray dhumucda darbiga waa lagu kordhin doonaa qaddarka ku filan oo lagu dabaqi karo tirada dulqaadashada lagu dabaqi karo.
    2. Loogu talagalay tuubbada leh d≥ 14.000 gudaha iyo t≥0.984in, dulqaadashada dhumucda ee derbiga ayaa laga yaabaa inay ka badnaan karto dulqaadka darbiga ee dhumucda darbiga ee ah 0.05T oo la siinayo dulqaadka badan ee tirada aan la dhaafin.
    3. U dulqaadashada lagu daray ee dhumucda darbiga ma quseeyo aagga weldka
    4. Ka eeg faahfaahinta api5l oo buuxa faahfaahin buuxda
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