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    ASTM 178, Grade D Heat Exchanger Tube

    ASTM 178, Grade D Heat Exchanger Tube

    ASTM 178, Grade D Heat Exchanger Tube with plain end

    ASTM A178 Grade D heat exchanger tube Measurement wall thickness

    ASTM A178 Grade D heat exchanger tube Measurement out diameter

    ASTM A178 Grade D heat exchanger tube Measurement length

    ASTM A178 Grade D heat exchanger tube qualified products stacked

    Standards: ASTM A178 (ASME SA178)

    ASTM A178/A 178M Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes

    Grade: Grade A Grade C Grade D

    Size: OD 1/2in-5in(12.7-127mm)

    Wall thickness:0.035in-0.360in(0.9-9.1mm)

    Different name

    Condenser steel tube,heat-exchanger tube,low carbon steel pipe,Resistance welded steel tube ,Bolier flues,Spoerheater flues and safe ends,ERW carbon steel pipes.

    Chemical Composition:

    Element % Grade D
    Manganess Steel
    C 0.27 Max
    Mn 1.00-1.50
    P 0.030
    S 0.015
    Si 0.10 Min.

    Mechanical Property:

    Grade C & Grade D tubes shall conform to the requirements -tensile properties prescribed below:







    For longitudinal strip tests a deduction for






    From the basic minimum elongation of the following percentage points shall be made

    Outside diameter and Wall ThicknessTolerance:

    Outside Diameter tol Wall thickness tol

    OD < 50


    S < 4mm


    OD > 50






    Referenced Documents:

    ASTM standards:

    • A450/A450M Specification for General Requirements for Carbon,Ferritic Alloy,and Austenitic Alloy steel tubes.
    • E213 Practice for Ultrasonic Examination of Metal pipe and tubing.
    • E273 Practice for Ultrasonic Examination of Longitudinal Welded Pipe and Tubing.

    Manufacturing Process:?ERW

    Heat treatment:

    After welding,all tubes shall be heat treated at a temperature of 1650°F(900℃) or higher and followed by cooling in air or in the cooling chamber of a controlled-atmosphere furnace,Cold-drawn tubes shall be heat treated after the final cold-draw pass at a temperature of 1200°F(650℃)or higher.

    Surface Condition:

    Finished tubes shall be free of scale,A slight amount of oxidation will not be considered as scale.

    Mechanical Tests Required:

    Flattenting Test/Flaring test/Flange test/Crush test/Tension test/Reverse Flattening test/Hydrostatic or Nondestructive Electric Test


    Used in boiler, superheater, heat-exchanger and pressure equipment in Petrochemical factory, Refinery factory, sugar mill, power plant, power plant, shipbuilding.

    SA178 Heat Exchanger and Condenser Tubes in various Application Industries

    • Air Preheater Unit
    • Steam generating Boiler
    • Power Generation
    • Economiser
    • Heat Exchangers
    • Electric Power Plants
    • Fossil Fuel Plants
    • Water Supply Systems
    • Waste Heat Plants
    • Cogeneration Facilities


    Bundle package

    Protected by plastic bag outside

    Packed in container

    Packed in container

    Pipe caps as customer request

    As per your requirement

    Related to SA178 Heat Exchanger / Condenser Tube

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    Weled steel pipe specification, Standard and identification

    Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.



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