Name: Spherically dished bottom head.
Type: Pipe Cap.
Processing: hot mould pressing, cold mould pressing, cold spinning.
Appearance treatment: sandy-blasting, acid pickling, antirust treatment.
NDT: ultrasonic testing, Radiographic testing, Magnetic Testing, Penetrant testing.
Groove: it can be groove in, groove outside, and both, according to your drawing.
No cracks, delamination, inclusion, and other defects.
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