ASTM B21-83b
(Specification)Standard Specification for Naval Brass Rod, Bar, and Shapes
Standard Specification for Naval Brass Rod, Bar, and Shapes
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Standards Content (Sample)
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Copyright ASTM International
Provided by IHS Markit under license with ASTM Licensee=ASTM/9992668100, User=Hooper, Kathe
No reproduction or networking permitted without license from IHS Not for Resale, 09/18/2019 11:31:39 MDT
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SIGNIFICANCE AND USE
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SIGNIFICANCE AND USE
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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.
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SIGNIFICANCE AND USE
3.1 The compression resistance perpendicular to the faces, the resistance to the extrusion during compression, and the ability to recover after release of the load are indicative of a joint filler's ability to continuously fill a concrete expansion joint and thereby prevent damage that might otherwise occur during thermal expansion. The asphalt content is a measure of the fiber-type joint filler's durability and life expectancy. In the case of cork-type fillers, the resistance to water absorption and resistance to boiling hydrochloric acid are relative measures of durability and life expectancy.
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1.1 These test methods cover the physical properties associated with preformed expansion joint fillers. The test methods include:
Property
Section
Expansion in Boiling Water
7.1
Recovery and Compression
7.2
Extrusion
7.3
Boiling in Hydrochloric Acid
7.4
Asphalt Content
7.5
Water Absorption
7.6
Density
7.7
Note 1: Specific test methods are applicable only to certain types of joint fillers, as stated herein.
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1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
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ABSTRACT
This specification covers asphalt plank used for bridge decks as well as for industrial floors. Asphalt planks shall be classified according to usage: Type Ia; Type Ib; and Type II. Asphalt plank shall be formed from a mixture of asphalt, fibers, modifiers, or a combination thereof, and mineral filler in such a manner as to produce a uniformly dense mass. The following test methods shall be intended to measure those attributes necessary to measure the ability of asphalt plank to provide a reasonably long and satisfactory service: absorption; brittleness; dimensions; and hardness.
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1.1 This specification covers asphalt plank used for bridge decks as well as for industrial floors.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
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