ASTM B640-12

Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service

STANDARD published on 1.4.2012

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The information about the standard:

Designation standards: ASTM B640-12
Note: WITHDRAWN
Publication date standards: 1.4.2012
SKU: NS-7529
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B640-12 :

Keywords:

air conditioning tube, refrigeration tube, welded copper tube, UNS No. C10100, UNS No. C10200, UNS No. C12000, UNS No. C12200, Copper welded tube, Air conditioning materials/applications--specifications, Refrigeration systems--specifications, UNS C10100 (oxygen-free copper)--tube (for condensers/heat exchangers, UNS C10200--tube (for condensers/heat exchangers), UNS C12000--tube (for condensers/heat exchangers), UNS C12200 (phosphorus deoxidized, high residual phosphorus copper (DHP))

Additional information

1. Scope

1.1 This specification establishes the requirements for welded copper tube for air conditioning and refrigeration service for use in connections, repairs, and alterations. The tube shall be made from one of the following coppers:

Copper UNS No.	Previously Used Designation	Type of Copper

C10100	OFE	Oxygen-free electronic
C10200	OF	Oxygen-free without-residual oxidants
C12000	DLP	Phosphorus-deoxidized, low-residual phosphorus
C12200	DHP	Phosphorus-deoxidized, high-residual phosphorus

Note 1—Fittings used for soldered or brazed connections in air conditioning and refrigeration systems are described in ASME Standard B 16.22.

Note 2—The assembly of copper tubular systems by soldering is described in Practice B828.

Note 3—Solders for joining copper tubular systems by descirbed in Specification B32. The requirements for acceptable fluxes for these systems are described in Specification B813.

1.2 Copper UNS No. C12200 shall be furnished, unless otherwise specified. The copper tube shall be supplied in annealed coils or drawn temper straight lengths.

1.3 Units—Values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered standard.

1.4 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

B32-20	Standard Specification for Solder Metal
B 16.22	Wrought Copper and Copper Alloy Solder Joint Pressure Fittings
B170-24	Standard Specification for Oxygen-Free Electrolytic Copper—Refinery Shapes
B577-24	Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
B601-24	Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
E8/E8M-25	Standard Test Methods for Tension Testing of Metallic Materials
E243-24	Standard Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy Tubes
B813-24	Standard Specification for Water Flushable Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube
B828-23	Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings
B846-24	Standard Terminology for Copper and Copper Alloys
B900-16(2022)	Standard Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies
B968/B968M-16(2022)	Standard Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube
E3-26	Standard Guide for Preparation of Metallographic Specimens
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E53-07	Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
B153-22	Standard Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing

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