This document provides technical data and specifications for butt weld pipe fittings manufactured by TK Corporation. It includes dimensions and specifications for carbon steel and stainless steel elbows, tees, reducers, caps, and other fittings in accordance with ASME standards. Dimension tables are provided for nominal pipe sizes from 1/2 inch to 32 inches. The document also references applicable material standards and provides marking and labeling requirements for TK Corporation fittings.