Standard Specification for Welded Nickel-Chromium-Iron-Alloy Pipe
This specification covers welded, cold-worked, and annealed nickel-chromium-iron alloy (UNS N06600, N06603, N06025, and N06045) pipe for general corrosive service and heat-resisting applications. This specification covers outside diameter and nominal wall pipe in accordance to referenced ASTM and ANSI documents itemized herein. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification. Pipe shall be made from flat-rolled alloy by an automatic welding process with no addition of filler metal. Subsequent to welding and prior to final heat treatment, the material shall be cold worked either in both weld and base metal or in weld metal only. Pipe shall be furnished with a scale-free finish. When bright annealing is used, descaling is not necessary. The material shall conform to the chemical requirements for nickel, chromium, iron, manganese, carbon, copper, silicon, sulfur, aluminum, titanium, phosphorus, zirconium, yttrium, and cerium. The material shall conform to the mechanical property requirements for tensile strength, yield strength, and elongation. The pipe shall be tested using the following: flattening test, nondestructive test requirements, and transverse guided bend test.
1.1 This specification2 covers welded, cold-worked, and annealed nickel-chromium-iron alloy (UNS N06600,3 N06603, N06025, and N06045) pipe for general corrosive service and heat-resisting applications.
1.2 This specification covers outside diameter and nominal wall pipe shown in ANSI B36.19. 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, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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