304H Round Bar Supplier & Stockist | Stainless Steel 304H Bars

304H round bar is a high-carbon stainless steel bar designed for strength, heat resistance, and corrosion protection in demanding applications. Vision Alloys supplies SS 304H round bars manufactured to ASTM A276, ASTM A479, ASME SA276, and SA479 standards. With 18–20% chromium, 8–10.5% nickel, and 0.04–0.10% carbon, the grade offers reliable high-temperature performance. Available in 3–800 mm diameters, custom lengths, finishes, and forms, these bars suit heat exchangers, boiler equipment, pressure vessels, petrochemical plants, heat treatment systems, and power generation for industrial use.

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