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In contrast to flanges, which use additional material to bolt pipes together, butt weld fittings connect pipes by welding them together. A butt weld fitting is designed to be welded onsite at its ends, and allow change in pipe diameter, direction, branching or ending for piping systems.
Welded construction uses less material and space (lowering costs), and offers more design freedom and structural strength than flange fittings. Ryerson offers both welded and seamless fittings in a variety of grades, types and sizes to best suit your needs.
| Fitting Type | Specifications/Grades | Types | Sizes |
| Buttweld Fittings-Welded & Seamless | Specification: ASTM A403, ASTM A774 Grades: 304, 316 Available upon request in most Stainless, Nickel, Chrome Moly and Duplex Alloys |
Type: LR 90, SR 90, 45, Tee, Red. Tee, Caps, Concentric And Eccentric Reducer, Type A and Type C Stub Ends | Sizes: ½" thru 24" Schedule: 10s, 40s, 80s |
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