Samshin performs receiving inspection, material test, inprocess inspection, pressure test, functional test, final inspection and inspection for shipping release.
Major test and inspection
Chemical composition analysis
Mechanical properties test (tensile test, hardness test, impact test)
Intergranular corrosion test
Delta ferrite measurement
NNon-destructive Examination (RT, UT, MT, PT, VT)
Pressure test (hydrostatic and pneumatic: valve body shell and seat closure test)
Helium leak test
Operation test for power operated valves (including operation time measurement)