Our big bore heavy gauge stainless welded tube is engineered for demanding industrial systems where high flow capacity and extreme pressure resistance are non-negotiable. Fabricated from premium austenitic and duplex stainless steel grades, these tubular components excel in petrochemical processing, deep-sea fluid transfer, and heavy structural frameworks. The manufacturing process employs advanced welding techniques such as TIG and plasma fusion, followed by full-length solution annealing to restore corrosion resistance and optimize mechanical consistency. This product range shares production philosophy with our Oversized Diameter Robust Wall Stainless Pipe and the Wide Bore Stout Wall Stainless Welded Tubing series. For projects requiring even larger cross-sections, we also supply Extra Large Caliber Heavy Section Steel Pipe options. Additionally, our Broad Diameter Solid Wall Stainless Welded Tube lineup addresses similar performance requirements in custom configurations. Every piece undergoes rigorous non-destructive testing including eddy current and ultrasonic inspection to guarantee void-free weld seams and dimensional fidelity.
Our Big Bore Heavy Gauge Stainless Welded Tube inventory is systematically organized by outside diameter, wall thickness, and material specification, giving engineers precise control over weight and pressure containment. The table below summarizes standard dimensional capabilities, while the accompanying list clarifies the common surface finish and supplementary treatment options available across the product line.
| Parameter | Specification Range |
|---|---|
| Outside Diameter | 6.000″ – 36.000″ (152.4 mm – 914.4 mm) |
| Wall Thickness | 0.500″ – 2.500″ (12.7 mm – 63.5 mm) |
| Length | Random 20 ft / 40 ft, or precision cut-to-order |
| Stainless Steel Grades | 304/304L, 316/316L, 321, 317L, 2205 Duplex, 2507 Super Duplex |
| Welding Method | Autogenous TIG, PAW, and SAW with filler matching base chemistry |
| Testing & Certification | EN 10204 3.1, PMI, hydrotest up to 10,000 psi, UT/ET 100% |
| Standards Compliance | ASTM A312, A358, A778, ASME SA312, NACE MR0175 on request |
| End Finishes | Plain end, beveled, grooved, flanged, or threaded to order |
