Standard: ASTM A 312/A 312M
Grade: TP304, TP304L, TP316L, TP321, TP316Ti, TP310S etc.
Manufacture process: Cold draw or Cold roll,
Annealed, and Pickled.
Testing：Visual Check for surface,
and Micrometer for the
W.T and O.D.
Spectral Analysis to test the Chemical Composition.
Eddy Current Test or Hydrostatic Test in accordance to
specification A999/A999 M.
Ultrasonic test can be done by customer’s request.
Mechanical Property test of Tensile Strength, Yielding Point,
Elongation and Flattening test by Mechanical Test Machine
and Hardness by Rockwell test.