Flat
welding flange should be cut along the direction of the steel rolling strip,
the bending system welded into a ring-shaped, and the steel surface of the
surface of the cylinder. Flat welding flange in the production of steel plates
can not be directly processed into a neck flange, using a certain process of
production and processing. Flat plate welding production of flat steel plate
should be ultrasonic testing, non-hierarchical defects to ensure good quality
and performance problems, in accordance with a certain quality requirements of
production and testing to ensure that the production and use of steel without
any quality problems.
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