Grade P91 Flanges

Product Overview & Applications

Trison Overseas LLP is an enterprise-grade Alloy Steel Supplier, Stockist, and Exporter of high-quality Grade P91 Flanges. Our Grade P91 Flange range is precision-manufactured from high-grade raw stock conforming to global standards like ASTM A182, ASTM A105, ASME B16.5, ASME B16.47. Grade P91 is a micro-alloyed steel (9% Cr, 1% Mo, V, Nb) providing extreme strength at very high temperatures. Essential for modern ultra-supercritical power plants. Typically utilized across critical engineering domains, our Grade P91 Flanges serve industries including Pipe-to-valve connection joints, Piping endpoint seals (Blind), Vessel nozzle flanges, and other demanding settings. Contact our technical advisory team for custom specifications, dimensional charts, and certified mill test reports (MTRs) for your high-pressure and low-temperature projects.