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  3. Carbon Seamless Steel pipe
  4. ASTM A519 Seamless steel pipe
  • ASTM A519 Seamless steel pipe
  • ASTM A519 Seamless steel pipe
ASTM A519 Seamless steel pipeASTM A519 Seamless steel pipe

ASTM A519 Seamless steel pipe

  • Standard & Grade :ASTM A519 Seamless steel pipe 1020, 1025, 4130, 4140
  • Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
  • Packing:Bundle or bulk , wooden case or other seaworthy packing or for the client's requirement
  • Usage:For mechanical engineering For mechanical and pressure use,and also for transporting steam,water,gas and etc.
  • ASTM A519 Seamless steel pipe , Alloy seamless steel pipe
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    Description
    Description OF ASTM A519 Seamless steel pipe
    ASTM A519 Seamless steel pipe covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished.
    The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties.
    Test requirement: tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test,etc.

    Chemical Composition OF ASTM A519 Seamless steel pipe

    Grade

    C

    Mn

    P≤

    S≤

    Si

    Cr

    Mo

    1020

    0.18-0.23

    0.30-0.60

    0.04

    0.05

    -

    -

    -

    1025

    0.22-0.28

    0.30-0.60

    0.04

    0.05

    -

    -

    -

    4130

    0.28-0.33

    0.40-0.60

    0.04

    0.05

    0.15-0.35

    0.80-1.10

    0.15-0.25

    4140

    0.38-0.43

    0.75-1.00

    0.04

    0.05

    0.15-0.35

    0.80-1.10

    0.15-0.25



    Mechanical Properties OF ASTM A519 Seamless steel pipe


    Grade

    Condition

    MPa Tenslle Point

    Yield Point

    Elongation

    1020

    CW

    ≥414

    ≥483

    ≥5%

    SR

    ≥345

    ≥448

    ≥10%

    A

    ≥193

    ≥331

    ≥30%

    N

    ≥234

    ≥379

    ≥22%

    1025

    CW

    ≥448

    ≥517

    ≥5%

    SR

    ≥379

    ≥483

    ≥8%

    A

    ≥207

    ≥365

    ≥25%

    N

    ≥248

    ≥379

    ≥22%

    4130

    SR

    ≥586

    ≥724

    ≥10%

    A

    ≥379

    ≥517

    ≥30%

    N

    ≥414

    ≥621

    ≥20%

    4140

    SR

    ≥689

    ≥855

    ≥10%

    A

    ≥414

    ≥552

    ≥25%

    N

    ≥621

    ≥855

    ≥20%



    Wall Thickness & Tolerance OF ASTM A519 Seamless steel pipe

    Wall % of OD

    Wall Tolerances Max % Over and Under Nominal Wall

    ID up to 1.499"

    ID 1.500" and larger

    Under 25%

    +/- 10.0%

    +/- 7.50%

    Over 25%

    +/- 12.5%

    +/- 10.0%


    Wall Thickness Tolerance (ASTM A519 HRS Alloy)

    Wall Thickness Range as a Percent of Outside Diameter

    % Over and Under Nominal Wall

    OD up to 2.999"

    OD 3.00"- 5.999"

    OD 6.00"- 10.750"

    Walls Under 15% of nominal O.D.

    12.50%

    10.00%

    10.00%

    Walls Over 15% of nominal O.D.

    10.00%

    7.50%

    10.00%



    Outer Diameter & Tolerance OF ASTM A519 Seamless steel pipe

    Outside Diameter Size Range

    Wall percent of Outside Diameter

    Total Camber in any 3 ft.

    Up to 5.000"

    3% OD & Over

    0.030"

    5.001 / 8.000"

    4% OD & Over

    0.045"

    8.001 / 10.750"

    4% OD & Over

    0.060"



    DIMENSION SPECIFICATIONS OF ASTM A519 Seamless steel pipe

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