BS 1965-1:1963

Specifies leading dimensions, tolerances and materials for 90° and 45° elbows, 180° return bends, equal tees, concentric and eccentric reducers and caps, in carbon steel, for butt-welding on to pipes. Details of testing and marking are also given. Cross References:BS 10BS 350BS 806BS 970BS 1501BS 1640BS 1821BS 2633BS 2640 BS 2971BS 3601BS 3602Replaced by BS EN 10253-1:1999 but remains current. Incorporates the following:AMD 4169 published 28 February 1983PD 5474 published 18 February 1965