The ASME B16.9 Stainless Steel 316L Reducing Tee is a precision branch fitting used to connect a smaller secondary line to a larger main header. Forged from low-carbon 316L, it provides exceptional resistance to chloride pitting and "weld decay." The SCH40 wall thickness ensures a high pressure-to-weight ratio. Its butt-weld design creates a smooth, leak-proof transition that is critical for chemical processing, marine systems, and pharmaceutical lines where flow integrity and corrosion resistance are paramount.
Technical Attributes: SS 316L SCH40 Reducing Tee
Standard,ASME B16.9 / ANSI B16.9
Material Grade,ASTM A403 WP316L (Low Carbon)
Fitting Type,Reducing Tee (Unequal Tee)
Schedule,SCH 40 / SCH 40S
Manufacturing,Seamless or Welded (WP-W / WP-WX)
End Connection,Butt Welding (BW)
End Preparation,Beveled Ends per ASME B16.25
Size Range,1/2"×1/2"×1/4" to 48"×48"×44"
Chromium Content,16.0%–18.0%
Nickel Content,10.0%–14.0%
Molybdenum Content,2.0%–3.0%
Tensile Strength,≥485 MPa (70 ksi)
Yield Strength,≥170 MPa (25 ksi)
Heat Treatment,Solution Annealed & Water Quenched
Testing Standard,"PMI, Radiographic, Hydrostatic, UT"
Surface Finish,"Pickled, Passivated, or Bead Blasted"
Hardness,≤187 HBW
Certification,EN 10204 3.1 / MTR
Primary Use,Corrosive Fluid Handling / Industrial Piping
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