ASTM B740-09
Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip

Standard No.

ASTM B740-09

Release Date

2009

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM B740-09(2015)

Latest

ASTM B740-21

Scope

1.1 This specification establishes requirements for copper-nickel-tin alloy strip 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 Units8212;The values stated in inch-pound units and the values stated in SI units in Table 5 are to be regarded as standard, except for grain size which is stated in metric units only. The values given in parentheses are mathematical conversions to SI units and 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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM B740-09 Referenced Document

• ASTM B248 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
• 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 E290 Standard Test Methods for Bend Testing of Material for Ductility
• 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 Standard Test Methods for Tension Testing of Metallic Materials

ASTM B740-09 history

• 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