Classification of Pipe Fittings

Classification of pipe fittings such as 45° 3r elbow:

(1) Classification by production method

Seamless pipe - hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, top pipe (2) welded pipe (a) according to the process - arc welded pipe, electric resistance welded pipe (high frequency, low frequency), gas welded pipe, Furnace welded pipe (b) by weld seam - straight seam welded pipe, spiral welded pipe

(2) Classification by wall thickness - thin-walled steel pipe 10.

(3) Classification by use - steel pipes such as Stainless steel Seamless stub end for pipelines, steel pipes for thermal equipment, steel pipes for machinery industry, petroleum, steel pipes for geological drilling, steel pipes for containers, steel pipes for chemical industry, special-purpose steel pipes, others.