Butt-Weld, Socket-Weld & Threaded Fittings — All Alloys, Full Documentation
Warwick supplies butt-weld, socket-weld, and threaded fittings in carbon steel, alloy steel, stainless, duplex, and nickel alloy grades. Elbows, tees, reducers, caps, olets, and stub ends — all to ASME B16.9/B16.11 with certified MTRs.
From standard carbon steel WPB elbows to high-alloy Hastelloy C-276 olets for corrosive service, our fittings inventory covers the full spectrum of process piping requirements. We supply complete fitting packages for capital projects, turnarounds, and emergency shutdowns.
All fittings are sourced to ASME B16.9, B16.11, and MSS SP-97 as applicable. Applicable mill test reports, heat traceability, and compliance documentation are provided as required by material specification and purchase-order requirements. Material grades and certifications are verified before release.
Fittings — Specifications & Grades
All materials supplied to ASTM, ASME, API, and applicable international standards. Applicable MTRs and material documentation provided per specification and purchase-order requirements.
| PRODUCT | SIZE RANGE |
|---|---|
| Butt-Weld Elbows & Tees | 1/2" – 48" |
| Socket-Weld Fittings | 1/8" – 4" |
| Threaded Fittings | 1/8" – 4" |
| Reducers & Caps | 1/2" – 48" |
| Stub Ends | 1/2" – 24" |
| Stainless Butt-Weld Fittings | 1/2" – 24" |
| Duplex / Super Duplex Fittings | 1/2" – 12" |
| Nickel Alloy Fittings | 1/2" – 12" |
| Olets (Weldolet / Sockolet / Threadolet) | 1/2" – 24" run × 1/2" – 8" branch |
| Swage Nipples & Bull Plugs | 1/4" – 4" |
* Contact sales for custom grades, non-standard sizes, or expedited sourcing. MTRs and certifications available on request.
Who We Supply
Documentation Provided Per Specification
Mill test reports are reviewed and verified before shipment — not assembled after the fact. Heat numbers, certifications, and compliance documentation are retained for 10+ years. We supply to ASTM, ASME, API, and applicable international standards.
Submit Your Fittings Requirements
Upload your BOM, MTO, or specification sheet. Our sourcing team responds the same business day with pricing and availability.