Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube
NORMA vydána dne 1.4.2022
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Designation standards: ASTM B407-22
Publication date standards: 1.4.2022
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification covers the standard requirements for nickel-iron-chromium alloy which include UNS N08120, UNS N08800, UNS N08801, UNS N08810, UNS N08811, UNS N08890, and UNS N06811 in the form of cold-worked and hot-finished annealed seamless pipe and tube. The materials shall be heat treated at certain annealing temperatures and shall conform to the chemical composition limits for nickel, chromium, iron, manganese, carbon, copper, silicon, sulfur, aluminum, titanium, columbium, molybdenum, niobium, tantalum, phosphorus, tungsten, cobalt, nitrogen, and boron. Planimetric method of measurement and tension test shall be conducted in full tubular size, longitudinal strip, or round specimens in the direction of fabrication to determine the grain size and mechanical properties, respectively. These materials shall conform to the specified grain size, yield strength, tensile strength, and elongation requirements. Each pipe or tube shall be subjected to hydrostatic or nondestructive eddy-current tests to determine the allowable fiber stress and to detect significant discontinuities such as drilled hole and transverse tangential notch. The cold-drawn material shall be commercially straight, uniform in quality and temper, smooth, and free of bends, kinks, and other injurious imperfections.
Keywords:
seamless pipe, seamless tube, UNS N08120, UNS N08800, UNS N08801, UNS N08810, UNS N08811, UNS N08890, UNS N06811,, ICS Number Code 23.040.15 (Non-ferrous metal pipes)