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ASTM B906-2019 pdf free download

ASTM B906-2019 pdf free download,Standard Speci fication for General Requirements for Flat-Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
1. Scope
1.1 This specification covers a group of general require- ments that, unless otherwise specified in the purchase order or in an individual specification, shall apply to rolled nickel and nickel alloy plate, sheet, and strip, under each of the following specifications issued by ASTM: Specifications B127, B162, B168, B333, B409, B424, B434, B435, B443, B463, B536, B575, B582, B599, B620, B625, B670, B688, B709, B718, B755, B814, B818, B872. 1.2 In case of any conflicting requirements, the require- ments of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named. 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 Safety Data Sheet (SDS) 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 accor- dance with internationally recognized principles on standard- ization established in the Decision on Principles for the Development of International Standards, Guides and Recom- mendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
11. Finish for Sheet
11.1 The type of finish available on sheet products are: 11.1.1 No. 1 Finish—Hot-rolled, annealed, and descaled. 11.1.2 No. 2D Finish—Cold-rolled, dull finish. 11.1.3 No. 2B Finish—Cold-rolled, bright finish. Bright Annealed Finish—A bright cold-rolled finish retained by final annealing in a controlled atmosphere furnace.11.1.4 No. 3 Finish—Intermediate Polished finish, one or both sides. 11.1.5 No. 4 Finish—General purpose polished finish, one or both sides. 11.1.6 No. 6 Finish—Dull satin finish, Tampico brushed, one or both sides. 11.1.7 No. 7 Finish—High luster finish. 11.1.8 No. 8 Finish—Mirror finish. 11.1.9 Sheets can be produced with one or two sides polished. When polished on one side only, the other side may be rough ground in order to obtain necessary flatness. N OTE 1—Explanation of Sheet Finishes: No. 1—This finish is produced by hot rolling to specified thickness followed by annealing and descaling. It is generally used in industrial applications, such as for heat and corrosion resistance, where smoothness of finish is not of particular importance. No. 2D—Produced on either hand sheet mills or continuous mills by cold rolling to the specified thickness, annealing and descaling. The dull finish may result from the descaling or pickling operation or may be developed by a final light cold-rolled pass on dull rolls. The dull finish is favorable for retention of lubricants on the surface in deep drawing operations. This finish is generally used in forming deep-drawn articles which may be polished after fabrication. No. 2B—Commonly produced the same as 2D, except that the annealed and descaled sheet receives a final light cold-rolled pass on polished rolls. This is a general purpose cold-rolled finish. It is commonly used for all but exceptionally difficult deep drawing applications. This finish is more readily polished that No. 1 or No. 2D Finish. Bright Annealed Finish is a bright cold-rolled highly reflective finish retained by final annealing in a controlled atmosphere furnace. The purpose of the atmosphere is to prevent scaling or oxidation during annealing. The atmosphere is usually comprised of either dry hydrogen or a mixture of dry hydrogen and dry nitrogen (sometimes known as dissociated ammonia).

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