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seamless steel pipe and boiler tubing are

Categories Erw , Lsaw Pipe
Place of Origin: China
Brand Name: OK
Certification: API, ISO , BV , DNV , SGS , LRQA etc
Model Number: OK8866
MOQ: 1 PCS
Price: FOB TIANJIN
Packaging Details: as your requirements
Delivery Time: 7 days to 25 working days
Payment Terms: TT/LC
Supply Ability: 2000 TONS/MONTN
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    seamless steel pipe and boiler tubing are

    Carbon Steel Pipes & Tubes

    We have a large scale unit engaged in stocking and exporting carbon steel tubes, carbon steel pipes and carbon steel welded pipes, carbon steel welded tubes and electrogalvanized steel tubes/pipes. we supply for engineering purpose, ERW pipes for water, gas & sewerage, carbon steel tubes for idlers of belt conveyors, water wells and lancing pipes for various automotive & industrial applications

    ASTM A333 Grade 6



    MECHANICAL REQUIREMENTS
    ELEMENTCOMPOSITION, %
    C, Max0.30
    Mn0.29-1.06
    P,Max0.03
    S, Max0.03
    Si, MinSi, Min
    A For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% would be permitted to a maximum of 1.35% manganese.



    TENSILE REQUIREMENTS
    ELONGATION
    psiMpaLT
    Y.S,min35 0002402212
    T.S,min60 000415



    Stress Relieving of Test Pieces
    Metal Temperature
    °F°C
    5600
    1050565
    1000540


    ASTM A106 Grade B & GRADE C


    CHEMICAL REQUIREMENTS
    ELEMENTCOMPOSITION, %
    ASTM A106 Gr.BASTM A106 Gr.C
    C maxA0.300.35
    Mn0.29-1.060.29-1.06
    P, max0.040.04
    S, max0.040.04
    Si, min0.100.10
    Cr, maxB0.400.40
    Cu, maxB0.400.40
    Mo, maxB0.150.15
    Ni, maxB0.400.40
    V, maxB0.080.08
    A) For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.
    B) These five elements combined shall not exceed 1%.


    Tensile Requirements
    ASTM A106 Gr.BASTM A106 Gr.C
    Y.S, min, psi[Mpa]35 000 [240]40 000 [275]
    T.S., min, psi[Mpa]60 000 [415]70 000 [485]


    ELONGATION
    ASTM A106 Gr.BASTM A106 Gr.C
    LTLT
    22122012

    PSL1

    API 5L 245 OR GR.B

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.281.20-0.0300.030c,dc,dd
    WELDED PIPE
    0.261.20-0.0300.030c,dc,dd
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and
    0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu,
    Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    cUnless otherwise agreed, the sum of the niobium and vanadium contents shall be = 0.06%.
    dThe sum of the niobium ,vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    245(35 500)415(60 200)28%415 (60 200)
    aFor intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)


    API 5L 290 OR X 42

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.281.30-0.0300.030ddd
    WELDED PIPE
    0.261.30-0.0300.030ddd
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    dThe sum of the niobium ,vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    290(42 100)415(60 200)c415 (60 200)
    aFor intermediate grades, the difference between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
    cThe specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:
    Equation


    API 5L 390 OR X 56

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.281.40-0.0300.030ddd
    WELDED PIPE
    0.261.40-0.0300.030ddd
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    dThe sum of the niobium ,vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    390(56 600)490(71 100)c490 (71 100)
    aFor intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
    cThe specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:
    Equation


    API 5L 415 OR X60

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.28e1.40e-0.0300.030fff
    WELDED PIPE
    0.26e1.40e-0.0300.030fff
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    eUnless otherwise agreed.
    fUnless otherwise agreed, the sum of niobium, vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    415(60 200)520(75 400)c520 (75 400)
    aFor intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
    cThe specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:
    Equation


    API 5L450 OR X65

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.28e1.40e-0.0300.030fff
    WELDED PIPE
    0.261.45e-0.0300.030fff
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    eUnless otherwise agreed.
    fUnless otherwise agreed, the sum of niobium, vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    450(65 300)535(77 600)c535 (77 600)
    aFor intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
    cThe specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:
    Equation


    API 5L 485 OR X70

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis a
    SEAMLESS PIPE
    CMnPSVNbTi
    maxbmax.bmin.max.max.max.max.max.
    0.28e1.40e-0.0300.030fff
    WELDED PIPE
    0.26e1.65e-0.0300.030fff
    a0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum. For grades up to and including L360/X52, Cu, Cr and Ni shall not be added intentionally.
    bFor each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for manganese is permissible, up to a maximum of 1.65% for grades = L245 or B, but = L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.
    eUnless otherwise agreed.
    fUnless otherwise agreed, the sum of niobium, vanadium and titanium concentrations shall be = 0.15%.

    MECHANICAL REQUIREMENTS
    Weld seam of EW, SAW and COW pipes
    Y.SaT.SaELONGATIONTensile Strengthb
    Mpa(psi)Mpa(psi)Mpa(psi)
    minminminmin
    485(70 300)570(82 700)c570 (82 700)
    aFor intermediate grades, the differencec between the specified minimum tensile strength and the specified minimum yield strength for the pipe body shall be as given in the table for the next higher grade.
    bFor Intermediate grades, the specified minimum tensile strength for the weld seam shall be the same value as was determines for the pipe body using footnote a)
    cThe specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be as determined using the following equation:
    Equation

    PSL2

    API 5L 245 OR B

    CHEMICAL COMPOSITION
    Mass fraction, based upon heat and product analysis % maximumCARBON EQUIVALENT a
    % MAXIMUM
    PIPE GRADECbSi
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