The ANSI B16.9 Carbon Steel Seamless Equal Tee is a high-strength pipe fitting used to create a 90° branch from a main run. Manufactured from a single piece of seamless pipe through cold or hot forming, it features a branch of the same diameter as the header. The seamless construction ensures uniform wall thickness and superior pressure integrity, making it the industry standard for high-pressure oil, gas, and chemical systems where weld-seam failures must be eliminated.
Technical Attributes: ANSI B16.9 Seamless Equal Tee
Design Standard,ASME/ANSI B16.9 (Factory-Made Fittings)
Manufacturing Type,Seamless (No Longitudinal Weld)
Branch Type,Equal Tee (Run Size = Branch Size)
Material Grades,"ASTM A234 WPB, WPC, A420 WPL6"
Size Range,1/2" to 24" (Seamless limit)
Wall Thickness,SCH 10 to SCH XXS (Matches Pipe)
End Connection,Butt Welding (BW)
End Preparation,Beveled Ends per ASME B16.25
Manufacturing Process,Cold Drawing or Hot Extrusion
Heat Treatment,Normalizing or Stress Relieving
Testing Standard,"Hydrostatic, Tensile, NDT (UT/MT)"
Surface Finish,"Shot Blasting, Black Paint, or Anti-rust Oil"
Dimensional Tolerance,"Per ASME B16.9 (Center-to-End, Out-of-round)"
Tensile Strength,≥415 MPa (For A234 WPB)
Yield Strength,≥240 MPa (For A234 WPB)
Marking,"Grade, Size, Wall, Heat No., Manufacturer"
Certification,EN 10204 3.1 / MTR
Pressure Rating,Equivalent to Seamless Pipe of same Schedule
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