ASTM Standards

1.1 This specification establishes the requirements for Type GAS seamless Copper UNS No. C12200 tube for use in above ground natural gas and liquified petroleum (LP) gas fuel distribution systems, commonly assembled with flared fittings or brazed joints. N OTE 1—Tube temper, size, and joining method are determined by installation code requirements.

1.1 This specification covers aluminum/single input wire (SIW) stranded conductors made from round or shaped wires for use in covered or insulated electrical wires or cables. These conductors shall be composed of one or more roller or die compacted layers of helically applied wires (Explanatory Note 1, Explanatory Note 2, and Explanatory Note 3).

1.1 This specification covers bare compact round stranded conductors made from uncoated copper wires of a single input wire (SIW) diameter for general use in covered or insulated electrical wires or cables. These conductors shall be con-structed with one or more layers of helically laid compacted wires (Explanatory Note 1, Note 2, and Note 3).

1.1 This test method covers single shear testing of thin wrought and cast aluminum alloy products to determine shear ultimate strengths. It is intended for products that are too thin to be tested according to Test Method B769. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in

1.1 This test method covers procedures and equipment for determining the relative buildup of corrosion and tarnish films (including oxides) on metal surfaces by the constant-current coulometric technique, also known as the cathodic reduction method.

1.1 This specification covers a variety of copper base powder metallurgy (PM) structural materials, including those used in applications where high electrical conductivity is required. It includes a classification system, or material desig-nation code. With the classification system, this specification includes chemical composition and minimum tensile yield strength. N OTE 1—Paragraphs 6.1 and 8.1 govern

1.1 This specification establishes the requirements for two wall thickness schedules of specially cleaned, straight lengths of seamless copper tube, identified as Types K and L, suitable for medical gas systems. The tube shall be installed in conformance with the requirements of the National Fire Protection Association (NFPA) Standard 99, Gas and Vacuum Systems (NFPA)

1.1 This specification covers nickel-chromium-iron-molybdenum-tungsten alloy UNS N06920 in the form ofrolled plate, sheet, and strip for general corrosion service. 1.2 The following products are covered under this specifi-cation: 1.2.1 Sheet and Strip—Hot or cold rolled, annealed and descaled unless solution-annealing is performed in an atmo-sphere yielding a bright finish; and 1.2.2 Plate—Hot rolled, solution-annealed,

1.1 This test method monitors the reactivity of a gaseous test environment in which metal surfaces (for example, elec-trical contacts, assembled printed wiring boards, and so forth) and other materials subject to pollutant gas attack undergo accelerated atmospheric corrosion testing. This test method is applicable to the growth of adherent corrosion films whose total corrosion

1.1 This test method covers equipment and methods for determining the porosity of gold and palladium coatings,particularly electrodeposits and clad metals used on elctrical contacts. 1.2 This test method is designed to show whether the porosity level is less or greater than some value which by experience is considered by the user to be acceptable