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Q. Alloy materials control?
All low alloy and high alloy equipment components including fittings, flanges and sections of pipe and all welds shall be individually tested by Vendor to verify alloy content after assembly of Equipment or Component is completed.
The alloy content for both welds and fittings shall be within the range specified for the base metal, per applicable ASME or ASTM specification.
Frequency of testing shall be as follows:
• One test per fitting, flange, plate, head and each attachment to pressure parts.
• One test per circumferential seam and one test per longitudinal seam.
Objectives After studying this unit, you should be able to explain various procedures in service and maintenance, and appreciate the importance of the inspections
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