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  • ASTM A192,ASME SA 192 High-Pressure Seamless Boiler Tubes
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  • ASTM A192,ASME SA 192 High-Pressure Seamless Boiler And Superheater Tubes
     

    Standard:ASTM A192,ASME SA 192
    ASTM A192,ASME SA 192 Steel Tubes covers minimum-wall-thickness,seamless carbon steel boiler and superheater tubes for high-pressure service.





     
    ASTM A192 High-Pressure Seamless Carbon Steel Boiler Tubes sizes and thicknesses usually furnished to this specification are 1 ⁄ 2 in. to 7 in. [12.7 to 177.8 mm] outside diameter and 0.085 to 1.000 in. [2.2 to 25.4 mm], inclusive, in minimum wall thickness.
     
     
     
    ASTM A192 High-Pressure Seamless Boiler Tubes Quick Details
    Manufacture:Seamless process ,Hot-finished or Cold-finished
    Wall thickness(WT): 3.2mm——25.4 mm.
    Outer diameter (OD): 12.7mm——177.8 mm
    Length: 6M or specified length as required.
    Ends: Plain End, Beveled End, Treaded
     
     
    Additional Info
    Port of Shipment: Tianjin, China
    Payment Terms:T / T, LC
    Delivery: 7-15 days after payment
    Surface: Tubes will be varnished (Outside only) to prevent rust.
    Marking: Standard + Steel Grade + Size + Heat No + Lot No
    Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
     
     
     
    Manufacture
    ASTM A192 High-Pressure Seamless Boiler Tubes are made by the seamless process and shall be either hot-finished or cold-finished, as specified.
    Marking:The marking indicate whether the tube is hot finished or cold finished.
     
     
    Heat Treatment
    Hot-finished tubes need not be heat treated. Cold-finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.



     
    Chemical Composition of ASTM A192,ASME SA 192 Boiler Tubes
     

    Carbon, % 0.06–0.18
    Manganese, % 0.27–0.63
    Phosphorus, max, % 0.035
    Sulfur, max, % 0.035
    Silicon, max, % 0.25
     
     


    Mechanical Properties 
     

    Tensile strength, min, ksi [MPa] 47 [325]
    Yield strength, min, ksi [MPa] 26 [180]
    Elongation in 2 in. or 50 mm, min, % 35
    Brinell Hardness Number (Tubes 0.200 in. [5.1 mm] and over in wall thickness) 137 HBW
    Rockwell Hardness Number (Tubes less than 0.200 in.[5.1 mm] in wall thickness) 77 HRBW
     
    Note:Mechanical property requirements do not apply to tubing smaller than 1 ⁄ 8 in. [3.2 mm] inside diameter or 0.015 in.[0.4 mm] thickness.
     
     

    Dimensional tolerances 
     
    Tolerances of  Wall Thickness
     

    Outside
    Diameter,
    in. [mm]
    Wall Thickness, %
    0.095[2.4] and Under Over 0.095 to 0.150
    [2.4 to 3.8], incl
    Over 0.150 to 0.180
    [3.8 to 4.6], incl
    Over 0.180,[4.6]
    Over Under Over Under Over Under Over Under
    Seamless, Hot-Finished Tubes
    4 [101.6] and under 40 0 35 0 33 0 28 0
    Over4 [101.6] .... .... 35 0 33 0 28 0
    Seamless, Cold-Finished Tubes
      Over Under
    1 1 ⁄ 2 [38.1] and under 20 0
    Over 1 1 ⁄ 2 [38.1] 22 0
     
     

    Tolerances of  Outside Diameter
     

    Outside Diameter,in. [mm] Permissible Variations, in. [mm]
    Over Under
    Hot-Finished Seamless Tubes
    4 [101.6] and under 1 ⁄ 64 [0.4] 1 ⁄ 32 [0.8]
    Over 4 to 7 1 ⁄ 2 [101.6 to 190.5], incl 1 ⁄ 64 [0.4] 3 ⁄ 64 [1.2]
    Over 7 1 ⁄ 2 to 9 [190.5 to 228.6], incl 1 ⁄ 64 [0.4] 1 ⁄ 16 [1.6]
    Cold-Finished Seamless Tubes
    Under 1 [25.4] 0.004 [0.1] 0.004 [0.1]
    1 to 1 1 ⁄ 2 [25.4 to 38.1], incl 0.006 [0.15] 0.006 [0.15]
    Over 1 1 ⁄ 2 to 2 [38.1 to 50.8], excl 0.008 [0.2] 0.008 [0.2]
    2 to 2 1 ⁄ 2 [50.8 to 63.5], excl 0.010 [0.25] 0.010 [0.25]
    2 1 ⁄ 2 to 3 [63.5 to 76.2], excl 0.012 [0.3] 0.012 [0.3]
    3 to 4 [76.2 to 101.6], incl 0.015 [0.38] 0.015 [0.38]
    Over 4 to 7 1 ⁄ 2 [101.6 to 190.5], incl 0.015 [0.38] 0.025 [0.64]
    Over 7 1 ⁄ 2 to 9 [190.5 to 228.6], incl 0.015 [0.38] 0.045 [1.14]
     


    Tolerances of Length
     

    Method of Manufacture OutsideDiameter,in. [mm] Cut Length,in. [mm]
    Over Under
    Seamless, hot-finished All sizes 3 ⁄ 16 [5] 0 [0]
    Seamless, cold-finished Under 2 [50.8] 1 ⁄ 8 [3] 0 [0]
    2 [50.8] and over 3 ⁄ 16 [5] 0 [0]
    2 [50.8] and over 3 ⁄ 16 [5] 0 [0]
     
     
     
    ASTM A192,ASME SA 192 High-Pressure Seamless Boiler Tubes Specification:
     

    OD (mm) Wall Thickness(mm)
      2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
    Φ25-Φ28                
    Φ32                
    Φ34-Φ36                
    Φ38                
    Φ40                  
    Φ42                  
    Φ45                
    Φ48-Φ60              
    Φ63.5              
    Φ68-Φ73                
    Φ76        
    Φ80        
    Φ83        
    Φ89        
    Φ95        
    Φ102        
    Φ108        
    Φ114          
    Φ121          
    Φ127          
    Φ133          
    Φ140            
    Φ146            
    Φ152            
    Φ159            
    Φ168            
    Φ177              
     
     
     



    Stock of ASTM A192,ASME SA 192 High-Pressure Seamless Boiler Tubes
     
     

     
     

     

    ASTM A192,ASME SA192 High-Pressure Carbon Boiler Tube Packaging & Delivery

     



    Types of Packaging:
    - Bundles (hexagonal)
    - Wooden Boxes
    - Crates (steel/wooden)
    - Special crates for U-Bend tubes with each radius separated
    - Our ASTM A192 High-Pressure Carbon Boiler Tube packing can meet any needs of the customers.
     
    Delivery: 15-30 days after payment




    Mechanical Tests
    Flattening Test—One flattening test shall be made on specimens from each end of two tubes selected from each lot.
    Flaring Test—One flaring test shall be made on specimens from each end of two tubes selected from each lot.
    Hardness Test—Brinell or Rockwell hardness tests shall be made on specimens from two tubes from each lot.
    Hydrostatic Test—Each tube shall be subjected to the hydrostatic pressure test.



    Customers come to the factory to test 
    the ASME SA 192 High-Pressure Seamless Boiler Tubes






    Note: Material furnished under ASTM A192 conform to the applicable requirements of the current edition of Specification A450/A450M

     
     
    Our faith:We place importance not just on managing material sales, but also on 'before' and 'after service'. We offer consulting services to our customers for helping them figure out their specific requirements so that they make the right choice.


     

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