Wrought Pipe Fitting dimensions are always in line with connecting pipe dimensions.
A buttweld fitting is a weldable pipe fitting that allows for change of direction of flow, to branch off, reduce pipe size or attach auxiliary equipment.
ELBOWS, 90 DEG. SHORT RADIUS, ALLOY STEEL 1-1/4% CR. +1/2% MO., BUTT-WELDING, SEAMLESS MAT. IN ACC. WITH ASTM-A234 GRADE WP11 DIMENSIONS
ASME B16.9 Standard covers overall dimensions, tolerances,ratings, testing, and markings for factory-made wrought buttwelding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200).