A tubing manufacturer has many alternatives for manufacturing and testing stainless steel tubingfor feedwater heater and condenser applications. ASTM/ASME specifications are basicrequirements intended to cover all applications. These minimum requirements may not besufficient for providing the appropriate quality tube for demanding requirements, such ascontinuous duty for 18 to 24 months common with feedwater heaters and condensers today. Thispaper summarizes the basic ASTM/ASME requirements with many of the additional propertyand testing options available to ensure reliable service for today's power plant environment. Itidentifies the advantages and disadvantages of each and provides suggestions on what could bespecified to ensure the best value tubing for your application.
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