The ASME B16.11 Stainless 2000# Threaded Union is a premium three-piece fitting for high-pressure piping that requires frequent disconnection. Forged from grades like 316L or 316Ti, it features a precision ground joint for a reliable metal-to-metal seal without gaskets. With BSP or BSPT threads, it enables fast, weld-free assembly. Rated for 2000 PSI, it is essential for instrumentation, chemical processing, and marine systems where corrosion resistance and ease of maintenance are mandatory.
Technical Attributes: SS 2000# Threaded Union
Standard,ASME B16.11 / MSS SP-83
Material Grades,"ASTM A182 F304/L, F316/L, F316Ti, F321"
Fitting Type,Threaded Union (3-Piece Assembly)
Pressure Class,2000 LBS (Class 2000)
Size Range,1/8" to 3" (NPS)
Thread Type (BSPT),BS 21 / ISO 7-1 (Tapered)
Thread Type (BSP),BS 2779 / ISO 228-1 (Parallel)
Seal Type,Ground Joint (Metal-to-Metal)
Manufacturing,"Forged, Solution Annealed, Machined"
Chromium Content,16.0%–20.0%
Nickel Content,8.0%–14.0%
Molybdenum (316L),2.0%–3.0%
Titanium (316Ti),5×(C+N) min –0.70% max
Tensile Strength,≥485 MPa (70 ksi)
Yield Strength,≥170–205 MPa
Heat Treatment,Solution Annealing & Water Quench
Testing Standard,"PMI, PT, Thread Gauging, Hydrostatic"
Hardness,≤192 HBW
Surface Finish,Pickled and Passivated
Certification,EN 10204 3.1 / MTR
Primary Use,Detachable High-Pressure Process Lines
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