LOW TEMPERATURE ALLOY STEEL FORGED FLANGES OR CUT PLATES Shapes Welding neck, slip on, blind, threaded, socket welding, lap-joint Standards/Grades ASTM A 182 Gr. F5, F9, F11, F22 / ANSI B 16.5 Dimensions / Tolerances / Testing (according to Standard) Outside Diameter: 1/4" to 24" Classes: 150, 300, 600 Finishing On request: Special finishes Certification 3.1 B according to EN 10 204 Accessories Bolting materials, sealing gaskets, ring-joints for complete assembly Applications High temperature processes, furnace tubes, heat exchangers, etc. (for use with "high pressure" pipe)