90.93 Standard confirmed Dec 14, 2020
ISO
ISO/TC 5/SC 5 Threaded fittings, solder fittings, welding fittings, pipe threads, thread gauges
International Standard
23.040.40 Metal fittings
This second edition cancels and replaces the first edition (1975). Specifies the dimensions, tolerances and generally used grades of non-alloy, low alloy and alloy steels for bends /type 2D (90 and 180 ) and 3D (45 , 90 and 180 )/, concentric and eccentric reducers, tees, caps and ends with quality requirements as used for piping work.
WITHDRAWN
ISO/R 1128:1969
PUBLISHED
ISO 3419:1981
90.93
Standard confirmed
Dec 14, 2020