Dhuumaha kululeeyaha cadaadiska sare

Sharaxaad Gaaban:

Tayada sare ee birta qaab dhismeedka kaarboon, birta qaab dhismeedka alloy, iyo birta kulaylka u adkeysi la'aanta tuubooyinka birta ee cadaadiska sare iyo ka sareeya tuubooyinka kuleyliyaha GB/T5310-2007 heerka. Qalabka inta badan waa Cr-Mo alloy iyo Mn Alloy, Sida 20G, 20MnG, 20MoG, 12CrMoG, iwm.


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  • Faahfaahinta Alaabta

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    Iyada oo leh waayo-aragnimadeena shaqo ee faraha badan iyo shirkadaha fekerka leh, ayaa hadda naloo aqoonsaday inay yihiin alaab-qeybiye la isku halleyn karo oo loogu talagalay iibsadayaal badan oo caalami ah oo iibsanaya tuubooyinka kuleylka sarreeya, u hoggaansanaanta falsafada ganacsiga ee 'macaamiisha inuu ku bilaabo, horay u sii socdo', waxaan si daacad ah u soo dhaweyneynaa macaamiisha gurigaaga iyo dibadaba si aad nala kaashato.
    Iyada oo leh waayo-aragnimadayada shaqo ee badan iyo shirkadaha fekerka leh, hadda waxaa naloo aqoonsaday iibiye la isku halayn karo oo iibsadayaal badan oo caalami ahDhuumaha birta daawaha ah, Dhuumaha kululeeyaha, Dhuumaha birta daawaha aan kala go 'lahayn, In qarniga cusub, waxaan kor u our ruuxa ganacsiga "United, dadaalka badan, hufnaan sare, hal-abuurnimo", oo ku dheggan siyaasadeena"ku salaysan tayada, noqon ganacsi, dhufto ee brand fasalka koowaad". Waxaan ka faa'iidaysan lahayn fursadan dahabiga ah si aan u abuurno mustaqbal ifaya.

    Dulmar

    Codsiga

    Waxaa inta badan loo isticmaalaa in lagu sameeyo bir qaab dhismeedka kaarboon oo tayo sare leh, birta qaab dhismeedka daawaha ah iyo birta kulaylka u adkeysi la'aanta ah ee tuubooyinka birta ee cadaadiska sare iyo ka sarreeya tubooyinka kululeeyaha uumiga.

    Inta badan loo isticmaalo cadaadiska sare iyo adeega heerkulka sare ee kuleyliyaha (tuubo kululeeyaha, tuubada dib u kululeeyaha, tuubada hagaha hawada, tuubada ugu weyn ee kululeeyaha cadaadiska sare iyo ultra sare). Marka la eego ficilka gaaska qiiqa heerkulkiisu sarreeyo iyo uumiga biyaha, tuubada ayaa oxidized oo qudhmi doonta. Waxaa loo baahan yahay in tuubada birta ay leedahay adkeysi sare, iska caabin sare oo oksaydhka iyo daxalka, iyo xasilloonida qaabdhismeedka wanaagsan.

    Fasalka ugu weyn

    Fasalka birta qaabdhismeedka tayada sare leh: 20g, 20mng, 25mng

    Fasalka birta qaab dhismeedka alloy: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, iwm

    Darajada birta kulaylka u adkaysata ee miridhku u adkaysta: 1cr18ni9 1cr18ni11nb

    Qayb Kiimiko ah

    Darajo

    Tayada

    Fasalka

    Hantida Kiimikada

    C

    Si

    Mn

    P

    S

    Nb

    V

    Ti

    Cr

    Ni

    Cu

    Nd

    Mo

    B

    Als"

    不大于

    不小于

    Q345 A

    0.20

    0.50

    1.70

    0.035 0.035

    0.30

    0.50

    0.20

    0.012

    0.10

    - -
    B 0.035 0.035
    C 0.030 0.030

    0.07

    0.15

    0.20

    0.015

    D

    0.18

    0.030 0.025
    E 0.025 0.020
    Q390 A

    0.20

    0.50

    1.70

    0.035 0.035

    0.07

    0.20

    0.20

    0.3.

    0.50

    0.20

    0.015

    0.10

    - -
    B 0.035 0.035
    C 0.030 0.030

    0,015

    D 0.030 0.025
    E 0.025 0.020
    Q42O A

    0.20

    0.50

    1.70

    0.035 0.035

    0.07

    0.2.

    0.20

    0.30

    0.80

    0.20

    0.015

    0.20

    -

    -

    B 0.035 0.035
    C 0.030 0.030

    0.015

    D 0.030 0.025
    E 0.025 0.020
    Q46O C

    0.20

    0.60

    1.80

    0.030 0.030

    0.11

    0.20

    0.20

    0.30

    0.80

    0.20

    0.015

    0.20

    0.005

    0.015

    D 0.030 0.025
    E 0.025 0.020
    Q500 C

    0.18

    0.60

    1.80

    0.025 0.020

    0.11

    0.20

    0.20

    0.60

    0.80

    0.20

    0.015

    0.20

    0.005

    0.015

    D 0.025 0.015
    E 0.020 0.010
    Q550 C

    0.18

    0.60

    2.00

    0.025 0,020 0.11

    0.20

    0.20

    0.80

    0.80

    0.20

    0.015

    0.30

    0.005

    0.015

    D 0.025 0,015
    E 0.020 0.010
    Q62O C

    0.18

    0.60

    2.00

    0.025 0.020

    0.11

    0.20

    0.20

    1.00

    0.80

    0.20

    0.015

    0.30

    0.005

    0.015

    D 0.025 0.015
    E 0.020 0.010
    Marka laga reebo darajooyinka Q345A iyo Q345B, birta waa in ay ka kooban tahay ugu yaraan mid ka mid ah walxaha badarka la safeeyey ee Al, Nb, V, iyo Ti. Marka loo eego baahiyaha, alaab-qeybiyuhu wuxuu ku dari karaa hal ama in ka badan oo walxo hadhuudh ah oo la safeeyey, qiimaha ugu sarreeya waa inuu buuxiyo shuruudaha miiska. Marka la isku daro, Nb + V + Ti <0.22% °Q345, Q390, Q420 iyo Q46O, Mo + Cr <0.30% in ka badan 0.30%; marka ay u baahan tahay in lagu daro, nuxurkeedu waa in uu buuxiyo shuruudaha shaxda ama ay go'aamiyaan alaab-qeybiyaha iyo iibsadaha iyada oo la tashanayo.

    J Haddii alaab-qeybiyuhu uu dammaanad qaadi karo in waxa ku jira nitrogen uu buuxiyo shuruudaha shaxda, falanqaynta waxa ku jira nitrogen lama samayn karo. Haddii Al, Nb, V, Ti iyo walxo kale oo alloy ah oo leh hagaajinta nitrogen lagu daro birta, nuxurka nitrogen ma xaddidna. Nuxurka hagaajinta nitrogen waa in lagu qeexaa shahaadada tayada.

    Marka la isticmaalayo dhammaan aluminium, wadarta guud ee aluminium AIT ^ 0.020% B

    Hantida Makaanikada

    No

    Darajo

    Hantida Makaanikada

     

     

    Jilicsan
    MPa

    Wax-soo-saarka
    MPa

    Kordhi
    L/T

    Saamayn (J)
    Toosan/Horesonal

    Gacan-qabsiga
    HB

    1

    20G

    410-
    550


    245

    24/22%

    40/27

    -

    2

    20MnG

    415-
    560


    240

    22/20%

    40/27

    -

    3

    25MnG

    485-
    640


    275

    20/18%

    40/27

    -

    4

    15MoG

    450-
    600


    270

    22/20%

    40/27

    -

    6

    12CrMoG

    410-
    560


    205

    21/19%

    40/27

    -

    7

    15CrMoG

    440-
    640


    295

    21/19%

    40/27

    -

    8

    12Cr2MoG

    450-
    600


    280

    22/20%

    40/27

    -

    9

    12Cr1MoVG

    470-
    640


    255

    21/19%

    40/27

    -

    10

    12Cr2MoWVTiB

    540-
    735


    345

    18/-%

    40/-

    -

    11

    10Cr9Mo1VNbN


    585


    415

    20/16%

    40/27


    250

    12

    10Cr9MoW2VNbBN


    620


    440

    20/16%

    40/27


    250

    Dulqaad

    Dhumucda gidaarka iyo dhexroorka dibadda:

    Haddii aysan jirin shuruudo gaar ah, tuubooyinku waxa ay noqonayaan sida dhexroorka caadiga ah iyo dhumucda gidaarka caadiga ah. Sida xaashida soo socota

    Kala saarista

    Habka wax-soo-saarka

    Cabbirka tuubada

    Dulqaad

    Darajada caadiga ah

    Darajo sare

    WH

    Hot Rolled (extrude) tuubo

    Dhexroorka dibadda ee caadiga ah

    (D)

    <57

    士 0.40

    ±0,30

    57 〜325

    SW35

    ±0.75%D

    ±0.5%D

    S>35

    ±1%D

    ±0.75%D

    >325-6.

    + 1%D ama + 5. Qaado mid ka yar 一2

    >600

    + 1%D ama + 7, qaado mid ka yar 一2

    Dhumucda darbiga caadiga ah

    (S)

    <4.0

    ±|・丨)

    ±0.35

    >4.0-20

    + 12.5% ​​S

    ± 10% S

    >20

    DV219

    ± 10% S

    ± 7.5% S

    心219

    + 12.5% ​​S -10% S

    10% S

    WH

    Dhuumaha balaadhinta kulaylka

    Dhexroorka dibadda ee caadiga ah

    (D)

    dhammaan

    ±1%D

    ± 0.75%

    Dhumucda darbiga caadiga ah

    (S)

    dhammaan

    + 20% S

    -10% S

    + 15% S

    -io%s

    WC

    Qabow la sawiray (duubay)

    Ppipe

    Dhexroorka dibadda ee caadiga ah

    (D)

    <25.4

    ±'L1j

    -

    >25.4 〜4 ()

    ±0.20

    >40 〜50

    |:0.25

    -

    >50 〜60

    ±0.30

    >60

    ±0.5%D

    Dhumucda darbiga caadiga ah

    (S)

    <3.0

    ±0.3

    ±0.2

    >3.0

    S

    ± 7.5% S

    Dhererka:

    Dhererka caadiga ah ee tuubooyinka birta waa 4 000 mm ~ 12 000 mm. Ka dib markii la tashaday alaab-qeybiyaha iyo iibsadaha, oo buuxi qandaraaska, waxaa la geyn karaa tuubooyinka birta oo dhererkoodu ka weyn yahay 12 000 mm ama ka gaaban I 000 mm laakiin aan ka gaabanayn 3 000 mm; dhererka gaaban Tirada tuubooyinka birta ee ka yar 4,000 mm laakiin aan ka yarayn 3,000 mm waa in aanay ka badnayn 5% tirada guud ee tuubooyinka birta ee la keenay.

    Miisaanka gaarsiinta:
    Marka tuubada birta la keeno iyadoo loo eegayo dhexroorka dibadda ee magaca iyo dhumucda derbiga magacaaban ama dhexroorka gudaha iyo dhumucda derbiga magacaaban, tuubada birta waxaa la geeyaa iyadoo loo eegayo miisaanka dhabta ah. Waxa kale oo lagu geyn karaa iyadoo loo eegayo miisaanka aragtida.
    Marka tuubada birta la keeno iyadoo loo eegayo dhexroorka sare ee magaca iyo dhumucda gidaarka ugu yar, tuubada birta waxaa la geeyaa iyadoo loo eegayo miisaanka dhabta ah; dhinacyada saadka iyo baahida ayaa ka wada xaajooda. Waxaana lagu tilmaamay heshiiska. Dhuumaha birta sidoo kale waxaa lagu geyn karaa iyadoo loo eegayo miisaanka aragtida.

    U dulqaadashada miisaanka:
    Marka loo eego shuruudaha iibsadaha, ka dib markii la tashaday alaab-qeybiyaha iyo iibsadaha, iyo qandaraaska, leexinta u dhaxaysa miisaanka dhabta ah iyo miisaanka aragtida ee tuubada birta bixinta waa inay buuxisaa shuruudaha soo socda:
    a) Dhuumaha birta ah ee keliga ah: ± 10%;
    b) Qayb kasta oo tuubooyinka birta ah oo leh cabbirka ugu yar ee 10 t: ± 7.5%.

    Shuruudaha Imtixaanka

    Tijaabada Biyo-baxa:

    Dhuumaha birta waa in si biyo ah mid mid loo tijaabiyaa. Cadaadiska ugu badan ee tijaabada waa 20 MPa. Cadaadiska tijaabada, wakhtiga xasilinta waa inuusan ka yarayn 10 s, iyo tuubada birta ah waa inaysan daadin.

    Ka dib marka isticmaaluhu ogolaado, tijaabada hydraulicka waxa lagu bedeli karaa tijaabinta hadda jirta ama tijaabada dheecaanka birlabeedka.

    Tijaabada aan burburin:

    Tuubooyinka u baahan baaris dheeraad ah waa in ultrasonically loo baaro mid mid. Ka dib markii gorgortanku u baahan yahay ogolaanshaha dhinaca oo lagu qeexay qandaraaska, imtixaano kale oo aan burburin ayaa lagu dari karaa.

    Tijaabada fidsan:

    Tuubooyinka leh dhexroorka dibadda ee ka weyn 22 mm waa in la mariyaa tijaabo simi ah. Ma jiro delamination muuqda, baro cad, ama wasakhdu waa inay dhacaan inta lagu jiro tijaabada oo dhan.

    Tijaabada Daboolida

    Marka loo eego shuruudaha iibsadaha oo lagu sheegay qandaraaska, tuubada birta ee leh dhexroorka dibadda ≤76mm iyo dhumucda derbiga ≤8mm waxaa lagu sameyn karaa tijaabin gubasho. Tijaabada waxaa lagu sameeyay heer kulka qolka iyadoo taper ah 60 °. Daboolida ka dib, heerka ololka ee dhexroorka dibadda waa inuu buuxiyaa shuruudaha miiska soo socda, iyo walxaha tijaabada ah waa inaysan muujin dildilaacyo ama dillaac.

    Nooca Birta

     

     

    Dhexroorka bannaanka heerka ololaya ee tuubada birta/%

    Dhexroorka Gudaha/Dhererka

    <0.6

    >0.6 〜0.8

    >0.8

    Bir dhismeed kaarboon oo tayo sare leh

    10

    12

    17

    Bir daawaha qaab dhismeedka

    8

    10

    15

    • Dhexroorka gudaha waxaa loo xisaabiyaa shaybaarka.

    Faahfaahinta Alaabta

    Tuubooyinka Birta ah ee aan Xidhiidhka Lahayn ee Kuleyliyayaasha Cadaadiska Sare


    GB/T5310-2017


    ASME SA-106/SA-106M-2015


    ASTMA210(A210M)-2012


    ASME SA-213/SA-213M


    ASTM A335/A335M-2018


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