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  • A53 Seamless And Welded Carbon Steel Pipe - China

    price: contact company for price

    A53 seamless and welded carbon steel pipe

    a53 Standard Specification for Pipe, Steel, Black and Hot-

    Dipped, Zinc- Coated, Welded and Seamless1

    1, Steel No.

    C( max) a


    P( max)

    S( max)

    Si( min)

    Cu( max) a

    Ni( max) a

    Cr( max) a

    Mo( max) a

    V( max) a

    Grade A:








    Grade B:



    B These five elements combined shall not exceed +/ - 1 % .

    2, Diameter & Tolerance:

    For pipe = NPS 11⁄ 2 [ DN 40] , the outside diameter at any

    point shall not vary more than 1⁄ 64 in. [ 0.4 mm] .

    For pipe =NPS 2 [ DN 50] , the outside diameter shall not vary

    more than +/ - 1% .

    3, Tensile Requirements

    Grade A

    Minimum Yield: 30, 000 PSI ( 205MPa)

    Minimum Tensile: 48, 000 PSI ( 330MPa)

    Grade B

    Minimum Yield: 35, 000 PSI ( 240MPa)

    Minimum Tensile: 60, 000 PSI ( 415MPa)

    4, Wall Thickness & Tolerance:

    Wall thickness: Scheduled

    Wall Tolerance: +/ - 12.5%

    5, Galvanized

    1) , Zinc: The zinc used for the coating shall be any grade

    of zinc conforming to Specification B 6

    2) , Weight of Coating The weight of zinc coating shall be

    not less than 1.8 oz/ ft2[ 0.55 kg/ m2] as determined from the

    average results of the two specimens taken for test in the

    manner prescribed in 19.5 and not less than 1.6

    oz/ ft2[ 0.49kg/ m2] for either of these specimens. And testing

    the weight of zinc according to ASTMB90

    6, Common Uses:

    - Low pressure systems

    - Structural applications

    - Mechanical components

    - Bollards

    - Casing

    Company Contact:

    • Phone: 8605748200788

    • Address: B-2320, ShiJi Plaza,Daliang Street No.118,Haishu D, Ningbo, China

    • Email: Email

    Published date: September 14, 2015 -

    • Business Description: Junfun is an available Chinese supplier located in Ningbo city. We focus

      on steelfiled, under the brand name of "Junfun", including seamless

      steel pipe,welded steel pipe, ball valve, butterfly valve, flange,

      elbow, tee,etc., which are used in industries like petrol,

      chemical,pharmaceuticals, environmental protection, food&water,

      conservancy,shipbuilding, automobile, aerospace, pressure vessels,

      mechanical processing, etc. Professional and experienced workers, strict

      supply chain management ensures the fulfillment of clients'


      From the raw material to finished products, we insist on recording each

      step of production situation and test, which can track the quality

      problem. Welcome inquiry, welcome cooperation.

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