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All stainless steel contact with the media by batch into the furnace tendency to intergranular corrosion test, according to GB4334.5 standard qualified.

All contact with the medium of stainless steels by intergranular corrosion test furnace batch number, and qualified in accordance with GB4334.5 standards.

All enters the intercrystalline corrosion tendency experiment with the medium contact stainless steel material according to the stove batch number, and is qualified according to the GB4334.5 standing operating procedure.

All the media contacts of the furnace of stainless steel material of tendency to corrosion by GB 334.5 standard tests and qualified.

All contact with the medium of stainless steels by intergranular corrosion test furnace batch number, and qualified in accordance with GB4334.5 standards.