StockistHub supplies a comprehensive range of fittings and flanges, covering various material grades, product types, manufacturing methods, applicable standards, and quality inspection scopes. All items are fully compliant with ASTM, ASME, API, and NACE specifications and verified through AI-driven quality validation and traceability
| Category | Material Grades | Product Range | Size Range | Pressure / Schedule | Standards & Specifications | Quality & Inspection Scope |
|---|---|---|---|---|---|---|
| Butt-Weld Fittings | Carbon Steel (A234 WPB/WPC), LTCS (A420 WPL6), Alloy Steel (A234 WP5/WP9/WP11/WP22), Stainless Steel (A403 WP304/316/321/347), Duplex / Super Duplex (A815 S31803 / S32750), Cu-Ni (90/10, 70/30) | Elbows (45°, 90°, 180°), Reducers (Concentric, Eccentric), Tees, Caps, Crosses, Laterals, Stub Ends, Nipple, Barrel, Barred Tee | 1/2" to 132" | Sch. 10 - Sch. XXS | ASME B16.9, B16.25, MSS SP-75 (for High-Yield) | Visual & Dimensional Checks, PMI (Spectro), UT / RT (on weld seams), Hydrostatic Test, Coating Thickness Measurement |
| Forged Fittings | CS (A105 / A350 LF2), AS (A182 F5 / F9 / F11 / F22 / F91), SS (A182 F304 / F316 / F321 / F347), Duplex / SDSS, Cu-Ni | Socket Weld / Threaded Types, Elbows, Tees, Couplings, Plugs, Unions, Bushings, Swage Nipples, Bosses, Olets (Sockolet, Weldolet, Threadolet) | 1/2" to 4" | Class 2000 - 9000 | ASME B16.11, MSS SP-79 / SP-95 / SP-97 | NDT (UT / MT / PT), Hardness & Impact Test, Dimensional Verification, Chemical / Mechanical Test, Documentation Review |
| Flanges | CS (A105 / A350 LF2 / A694 F42-F70), AS (A182 F11 / F22 / F91), SS / Duplex / Cu-Ni | Welding Neck, Blind, Slip-On, Socket Weld, Threaded, Lap Joint, Spectacle Blind, Spacer & Paddle | 1/2" to 60" | Class 150 - 2500 | ASME B16.5, B16.47 (A/B), MSS SP-44 | Visual & Dimensional Checks, Ultrasonic & PT, Hydrostatic / Pneumatic (on request), Surface Flatness & Bolt Hole Check, Certificate Traceability |
| Special Components | As per client spec or drawing (Machined Fittings, Transition Pieces, Nozzles, Custom Bends) | Designed & manufactured on demand with full traceability and documentation | Custom | Custom | Client Drawing + ASME Sec VIII / B31.3 | 3.1 / 3.2 Certification, Witness Inspection (SGS / BV / TUV), MTC Review & Digital Archive |
| Branch Connections (Olets) | CS, AS, SS, Duplex, Cu-Ni | Weldolet, Threadolet, Sockolet, Elbolet, Nipolet, Sweepolet, Latrolet | 1/2" to 24" | Class 3000 - 9000 | MSS SP-97, ASME B31.3 | Visual & Dimensional Checks, Radiography (RT), Hardness & PMI, Heat Treatment Validation |
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