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    ASTM B640-12a(2021)

    Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service
    • 발행일 : 2021-01-01
    • 발행기관 : ASTM
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분야 02.01 : 동 및 동합금
적용범위

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 described 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?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.

1.4?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5?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.
국제분류(ICS)코드 77.150.30 : 구리 제품
페이지수 9
Edition 12a(2021)

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM B640-12a(2021)상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2021-01-01 표준
2 ASTM B640-12a REDLINE상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2012-10-01 구판
3 ASTM B640-12a상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2012-10-01 구판
4 ASTM B640-12상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2012-04-01 구판
5 ASTM B640-07상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2007-04-01 구판
6 ASTM B640-00(2006)상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2006-03-15 구판
7 ASTM B640-00상세보기 Standard Specification for Welded Copper Tube for Air Conditioning and Refrigeration Service 2000-09-10 구판

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