Standard Specification for Nickel-Iron-Chromium-Silicon Alloy Welded Pipe
This specification covers UNS N08330 and N08332 high-temperature alloy welded pipes for heat-resisting applications and general corrosive service. The pipes should be made from the flat-rolled alloys by an automatic welding process without any filler metal additions. After welding, the materials should be cold worked, either in weld and base metal or in weld metal only, then annealed. Each end of one pipe per lot will be subjected to a flattening test.
1.1 This specification2 covers alloys UNS N08330 and UNS N08332 in the form of welded pipe intended for heat-resisting applications and general-corrosive service.
1.2 The pipe covered is nominal pipe sizes up to and including size 12, with the nominal wall thicknesses given as Schedules 5S, 10S, 40S, and 80S. Table 2 of Specification B775 is based on Table A1 of ANSI B36.19 and gives the nominal dimension of these sizes. Table 3 of Specification B775 lists the dimensional requirements of these sizes. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
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