This kind of seamless stainless tube is specially used for chemical and hydraulic high-pressure vessel.  There are some special requirements on property in order to stand the special high-pressure environment:
Water Press≥100MPa;
 Inter-granular corrosion testing apparatus: no cracks;
 Flaring test: no cracks;
Flaring test: no cracks
The Producing Process as following:
round bar---inspection & analysis---cut to length---centering---peel---heating---perforation---inspection of size---pickling---inspection of surface---lubricating---cold-drawing---degreasing---annealing---straightening---cut---pickling/passivating---final inspection---marking---packing---shipping

• This kind of seamless stainless tube is specially used for Industrial water line as following  classifications:
A.Reacting Vessel such as reactor, producer, synthetic tower, etc.
B.Heat Transfer Vessel such as heat exchanger, cooler, heater, etc.
C.Separation Vessel such as separator, filter, bumper, desiccators, etc.
D.Storage-transport vessel such as storage tank, tank wagon, etc.