Stainless steel screwed/threaded fittings follow strict manufacturing standards like ASME B16.11 and material specs like ASTM A182. They range in size from 1/8' to 4' NB with pressure ratings of Class 2000, 3000, and 6000, utilizing NPT or BSP thread types. Key Specifications & Standards • Dimensions & Standards: ASME B16.11, MSS SP-79/83/95/97, BS 3799 • Material Grades: ASTM A182 (F304, F304L, F316, F316L) • Size Range: 1/8 inch to 4 inch NB (Nominal Bore) • Pressure Classes: Class 2000, Class 3000, Class 6000 [2, 3, 5, 6] Thread Types • NPT (National Pipe Thread): 60° thread angle with tapered peaks and valleys; common in North America. • BSP (British Standard Pipe): 55° thread angle with rounded peaks and valleys; common in Europe, Asia, and UK. Available as BSPT (tapered) or BSPP (parallel). Common Fitting Types • Elbow (90° and 45°) • Equal/Reducing Tee • Full and Half Coupling • Cross and Union • Hex Bushing, Plug, Cap, and Pipe Nipple If you'd like, let me know:The material grade you need (e.g., SS304 or SS316)The pressure class or application type (water, gas, steam)The required thread standard (NPT or BSP)I can help narrow down exact dimensions or provide more details.

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