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Centerway steel co., ltd
ssaw pipe factory,ssaw pipe suppliers,ssaw pipe manufacturers

  • API 5L

    Steel Grade: B, X42, X52, X60, X65, X70, X80

    Dimension: 2" - 30"

    Process: ERW, SSAW, LSAW, HFW, JCOE.

    Product Name

    Executive Standard

    Dimension (mm)

    Steel Code / Steel Grade

    Line Pipes

    API 5L

    Ø60.3~273.1 x WT2.77~12.7

    A25, A, B, X42, X46, X52, X56, X60, X65, X70, X80

    API 5L PIPE OUTSIDE DIAMETER TOLERANCE

    Specified outside

    API 5L Diameter tolerances mm (in)

    API 5L Out-of-roundness tolerances mm (in)

    diameter D mm (in) of API 5L Pipes

     

    Pipe except at end a

    Pipe end a,b,c

    Pipe except at end a

    Pipe end a,b,c

     

    SMLS pipe

    Welded pipe

    SMLS pipe

    Welded pipe

     

     

    < 60.3 (2.375)

    –0.8 (0.031 ) to + 0.4 (0.016)

    –0.4 (0.016) to + 1.6 (0.063)

    d

    ≥60.3 (2.375)

    ±0.007 5 D

     

    0.020 D

    0.015 D

    to

    ≤168.3 (6.625)

    ≥168.3 (6.625)

    ±0.007 5 D

    ±0.007 5 D

    ±0.005 D,

     

     

    to

    but maximum

    but maximum of±1.6 (0.063)

    ≤610 (24.00)

    of + 3.2 (0.125)

     

    > 610 (24.000)

    ±0.01 D

    ±0.005 D,

    ±2.0 (0.079)

    ±1.6 (0.063)

    0.015 D

    0.01 D,

    to

    but maximum

    ≤1 422 (56.00)

    of + 4.0 (0.160)

     

     

     

     

     

    but maximum of

    but maximum of 13 (0.5),

    15 (0.6),

     

     

     

     

     

    for d / ts≤75

    for d / ts≤75

     

     

     

     

     

    by agreement

    by agreement

     

     

     

     

     

    for d / ts > 75

    for d / ts > 75

    > 1 422 (56 000)

    as agreed

    a — Pipe end includes a length of 100 mm (4.0 in) for each side
    b — For SMLS pipe, the tolerances apply for 25.0 mm (0.984 in); tolerances for thicker pipes have to be as agreed.
    c — For pipe with D219,1 mm (8.625 in) the diameter tolerance and the out-of-roundness tolerance may be determined by using the calculated inside diameter (the specified outside diameter minus two times the specified wall thickness) or measured inside diameter rather than the specified outside diameter
    d — Included in the tolerance of the diameter

    API 5L PIPE WALL THICKNESS TOLERANCE (WT)

    API 5L wall thickness t
    mm (in)

    API 5L Pipes Tolerances a
    mm (in) mm (in)

    API 5L Welded pipe c, d

    ≤ 5,0 (0.197)

    ± 0,5 (0.020)

    > 5,0 (0.197) to<15,0 (0.591 )

    ± 0, 1 t

     ≥ 15,0 (0.591)

    ±1,5 (0.060)

    a — if the purchase order specifies a minus tolerance for wall thickness smaller than the applicable value given in this table, the plus tolerance for wall thickness shall be increased by an amount sufficient to maintain the applicable tolerance range.
    b — for pipe with D ≥ 355,6 mm (14.000 in) and t ≥ 25,0 mm (0.984 in) the wall thickness tolerance locally may exceed the plus tolerance for wall thickness by an additional 0,05 t, provided that the plus tolerance for mass (see 9.14) is not exceeded.
    c — The plus tolerance for wall thickness does not apply to the weld area.
    d — See 9.13.2 for additional restrictions.

    Standard

    Standard

    Type of pipe

    Class

    Grade

    API SPEC 5L

    ISO 3183

    WELD

    PLS1

    L245B, L290 X42, L320 X46, L360 X52




    L390 X56, L415 X60, L450 X65, L485 X70



    PLS2

    L245M BM, L290M X42M, L320M X46M,




    L360M X52M, L390M X56M, L415M X60M,




    L450M X65M, L485M X70M, L555M X80M,



    PLS2 Sour Environment

    L245MS BMS, L290MS X42MS, L320MS X46MS,




    L360MS X52MS, L390MS X56MS, L415MS X60MS, 

    Chemical And Mechanical Properties

    API 5L PIPE PSL1 Chemical and Mechanical Properties

    API 5L PIPE PSL1

    Chemical Composition

    Mechanical Property

    C (Max)

    Mn (Max)

    P (Max)

    S (Max)

    TENSILE ( Min )

    YIELD ( Min )

    Psi X 1000

    Mpa

    Psi X 1000

    Mpa

    Grade A25

    CL I

    0.21

    0.60

    0.030

    0.030

    45

    310

    25

    172

    CL II

    0.21

    0.60

    0.030

    0.030

    Grade A

    0.22

    0.90

    0.030

    0.030

    48

    331

    30

    207

    Grade B

    0.26

    1.20

    0.030

    0.030

    60

    414

    35

    241

    Grade X42

    0.26

    1.30

    0.030

    0.030

    60

    414

    42

    290

    Grade X46

    0.26

    1.40

    0.030

    0.030

    63

    434

    46

    317

    Grade X52

    0.26

    1.40

    0.030

    0.030

    66

    455

    52

    359

    Grade X56

    0.26

    1.40

    0.030

    0.030

    71

    490

    56

    386

    Grade X60

    0.26

    1.40

    0.030

    0.030

    75

    517

    60

    414

    Grade X65

    0.26

    1.45

    0.030

    0.030

    77

    531

    65

    448

    Grade X70

    0.26

    1.65

    0.030

    0.030

    82

    565

    70

    483

     

    API 5L PIPE PSL2 Chemical And Mechanical Properties

    API 5L PIPE PSL2

    Chemical Composition

    Mechanical Property

    C

    Mn

    P

    S

    Tensile

    Yield

    C. E. IMPACT ENERGY

    (Max)

    (Max)

    (Max)

    (Max)

    Psi x 1000

    Mpa

    Psi x 1000

    Mpa

    PCM

    IIW

    J

    FT/LB

    Grade B

    0.22

    1.2

    0.025

    0.015

    60 – 110

    414 – 758

    35 – 65

    241 – 448

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X42

    0.22

    1.3

    0.025

    0.015

    60 – 110

    414 – 758

    42 – 72

    290 – 496

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X46

    0.22

    1.4

    0.025

    0.015

    63 – 110

    434 – 758

    46 – 76

    317 – 524

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X52

    0.22

    1.4

    0.025

    0.015

    66 – 110

    455 – 758

    52 – 77

    359 – 531

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X56

    0.22

    1.4

    0.025

    0.015

    71 – 110

    490 – 758

    56 – 79

    386 – 544

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X60

    0.22

    1.4

    0.025

    0.015

    75 – 110

    517 – 758

    60 – 82

    414 – 565

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X65

    0.22

    1.45

    0.025

    0.015

    77 – 110

    531 – 758

    65 – 82

    448 – 565

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X70

    0.22

    1.65

    0.025

    0.015

    82 – 110

    565 – 758

    70 – 82

    483 – 565

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    Grade X80

    0.22

    1.9

    0.025

    0.015

    90 – 120

    621 – 827

    80 – 102

    552 – 705

    0.25

    0.43

    T/L 27/41

    T/L 20/30

    API 5L Equivalent Grades (ASTM, EN, DIN)

    Line Pipe Materials: Werkstoff vs EN vs API

    Werkstoff/DIN

    EN

    API

    1.0486   StE 285

    –

    API 5L Grade X42

    1.0562   StE 355

    P355N

    API 5L Grade X52

    1.8902   StE 420

    P420N

    API 5L Grade X60

    1.8905   StE 460

    P460N

    API 5L Grade X70

    High Yield Steel Pipes

    1.0457   StE 240.7

    L245NB

    API 5L Grade B

    1.0484   StE 290.7

    L290NB

    API 5L Grade X42

    1.0582   StE 360.7

    L360NB

    API 5L Grade X52

    1.8972   StE 415.7

    L415NB

    API 5L Grade X60

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