1.1 ,This specification2 covers nickel-chromium-molybdenum-columbium alloys (UNS N06625 and UNS N06852) and nickel-chromium-molybdenum-silicon alloy (UNS N06219)3 in the form of cold-worked seamless pipe and tube. The general requirements for pipe and tube are covered by Specification B829.
1.1.1 ,UNS N06625 products are furnished in two grades of different heat-treated conditions:
1.1.1.1 ,Grade 1 (annealed)—,Material is normally employed in service temperatures up to 1100°,F (593°,C).