ASTM B740-21 PDF

Scope: 1.1 This specification establishes requirements for coppernickel-tin alloy strip for Copper Alloy UNS Nos. C72700, C72900, and C72650 in the following alloys: Copper Alloy UNS No. Nominal Composition Weight % Copper Nickel Tin C72700 85 9 6 C72900 77 15 8 C72650 87.5 7.5 5 1.2 Units—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. 1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification. 1.3.1 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. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM B740-21 Referenced Document

ASTM B248 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
ASTM B248M Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip and Rolled Bar [Metric]
ASTM B598 Standard Practice for Determining Offset Yield Strength in Tension for Copper Alloys
ASTM B601 Standard Classification for Temper Designations for Copper and Copper Alloys-Wrought and Cast
ASTM B820 Standard Test Method for Bend Test for Formability of Copper Alloy Spring Material
ASTM B846 Standard Terminology for Copper and Copper Alloys
ASTM E112 Standard Test Methods for Determining Average Grain Size
ASTM E3 Standard Practice for Preparation of Metallographic Specimens
ASTM E478 Standard Test Methods for Chemical Analysis of Copper Alloys
ASTM E75 Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys
ASTM E8/E8M Standard Test Methods for Tension Testing of Metallic Materials*， 2024-01-01 Update

2021 ASTM B740-21 Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip
2009 ASTM B740-09(2015) Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip
2009 ASTM B740-09 Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip
2002 ASTM B740-02 Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip
1996 ASTM B740-96 Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip