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  • ǰλãِ޹˾ >> aƷĿ >> g[
    : Դվԭ c

    ܾݔßop;ʯ͡Ȼ⹤Iеˮݔ͹ܡ

    ܾßop

    Line with seamless tube

        

    API SPEC 5LGB/T9711.2

    䓹̖

    BX42X52X60X65X70

    ܾݔßopܘ˜ʣ

    API SPEC 5L——ʯ͌W˜

    GB/T9711.2——ЇҘ˜

    ܾݔßopҪ̖

    BX42X52X60X65X70

    ܾݔßopܳߴ繫

    cg[һ

     

    䓹ܷN

    䓹⏽D

    䓹ܱںS



    w

    䓹⏽ (mm)

    (mm)

    䓹⏽(mm)

    (mm)

    ≥60.3S<20

    ±0.75%

    ≤73.0

    +15%12.5%


    ≥60.3S≥20

    ±1.00%

    >73.0S<20

    +15%12.5%




    >73.0S≥20

    +17.5%10


     

    ܾݔßopWܣ

     

    ˜

    ̖

    ȣMPa

    ȣMPa

    %

    0_

    AkvJ

    ̎B

    API SPEC 5L

    GB/T9711.2

    B

    ≥415

    245440

    ≤0.80

    22

    ≥40

    X42

    ≥415

    290440

    ≤0.80

    21

    ≥40


    X52

    ≥460

    360510

    ≤0.85

    20

    ≥40


    X60

    ≥520

    415565

    ≤0.85

    18

    ≥40


    X65

    ≥535

    450570

    ≤0.90

    18

    ≥40

    +ػ


    X70

    ≥570

    485605

    ≤0.90

    18

    ≥40

    +ػ


     

    ܾݔßopܻWɷ

     

    ˜

    ̖

    Wɷ֣%

    CEV%








    C

    Si

    Mn

    P

    S

    V

    Nb

    Ti




    API SPEC 5L

    GB/T9711.2

    B

    ≤0.16

    ≤0.40

    ≤1.10

    ≤0.020

    ≤0.010

    ≤0.42

    X42

    ≤0.17

    ≤0.40

    ≤1.20

    ≤0.020

    ≤0.010

    ≤0.05

    ≤0.05

    ≤0.04

    ≤0.42


    X52

    ≤0.20

    ≤0.45

    ≤1.60

    ≤0.020

    ≤0.010

    ≤0.10

    ≤0.05

    ≤0.04

    ≤0.45


    X60

    ≤0.21

    ≤0.45

    ≤1.60

    ≤0.020

    ≤0.010

    ≤0.15

    ≤0.05

    ≤0.04

    fh


    X65

    ≤0.16

    ≤0.45

    ≤1.60

    ≤0.020

    ≤0.010

    ≤0.06

    ≤0.05

    ≤0.06

    ≤0.45


    X70

    ≤0.16

    ≤0.45

    ≤1.70

    ≤0.020

    ≤0.010

    ≤0.06

    ≤0.05

    ≤0.06

    ≤0.45


     

    ע

    10.015%≤Altot<0.06%N≤0.012%Al/N≥2/1Cu≤0.25%Ni≤0.30%Cr≤0.30%Mo≤0.10%

    2V+Nb+Ti≤0.15

    3X60X65X70fMo≤0.35%

    Ҏ񷶇

    60-630×1.53-40

     

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