Generally speaking, the limit temperature of 304 stainless steel welded pipe is 650 degrees.
Beyond this temperature, the heavy metals in the material will precipitate, and the material will begin to deform, so the use environment of stainless steel pipe should be below the corresponding temperature.

The use environment of stainless steel welded pipe is temperature limited, so you need to pay attention to this problem when using,
in high temperature environment need to use special high temperature resistant stainless steel pipe.