ASTM B740-09

Standard Specification for Copper-Nickel-Tin Spinodal Alloy Strip

STANDARD published on 15.8.2009

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The information about the standard:

Designation standards: ASTM B740-09
Note: WITHDRAWN
Publication date standards: 15.8.2009
SKU: NS-7915
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B740-09 :

Keywords:

age hardening, copper-nickel-tin, spinodal, strip , UNS C72650, UNS C72700, UNS C72900, Age-hardening alloys--specifications, Copper alloy plate/sheet/strip/rolled bar--specifications, Copper-nickel alloys--specifications, Copper-nickel-tin, Spinodal alloy strip, UNS C72650 (copper-nickel tin alloy), UNS C72700 (copper-nickel tin spinoidal alloy), UNS C72900 (copper-nickel tin spinodal alloy), ICS Number Code 77.150.30 (Copper products)

Additional information

1. 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 Alloy UNS No.	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 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.

2. Referenced Documents

B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens
E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
E75-76(1996)	Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys
E290-22	Standard Test Methods for Bend Testing of Material for Ductility
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
B820-23	Standard Test Method for Bend Test for Determining the Formability of Copper and Copper Alloy Strip
B248-22	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
B598-14	Standard Practice for Determining Offset Yield Strength in Tension for Copper Alloys
B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).

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