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This specification establishes the requirements for two wall thickness schedules of specially cleaned, straight lengths of seamless copper tube, identified as Types K and L, suitable for medical gas systems. The product shall be manufactured by such hot working necessary to convert the billet to a tubular shape and cold worked to the finished size. Seamless copper tube for medical gas systems shall be furnished in the H58 (Drawn General Purpose) temper. Tension test and Rockwell hardness test shall be performed to determine the tube's tensile strength and hardness, respectively. Eddy-current test, a nondestructive test, shall be performed as well. The tubes used for medical gas systems shall be cleaned by any of the following recommended methods: alkaline washing, steam solvent washing, steam detergent washing, steam washing, vapor degreasing, and refrigerant degreasing.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
For purpose of determining compliance with the specified limits for requirements of the properties listed in Table 9, an observed value or calculated value shall be rounded as indicated in accordance with the rounding of Practice E29.
|Property||Rounded Unit for Observed for Calculated Value|
|Chemical composition||nearest unit in the last right-hand place|
figures of the specified limit
|Hardness values||nearest unit in the last right-hand place|
figures of the specified limit
|Tensile strength||nearest ksi|
|Expansion||nearest 1 %|
|Up to 0.055 mm, incl||nearest multiple of 0.005 mm|
1.1 This specification establishes the requirements for two wall thickness schedules of specially cleaned, straight lengths of seamless copper tube, identified as Types K and L, suitable for medical gas systems. The tube shall be installed in conformance with the requirements of the National Fire Protection Association (NFPA) Standard 99, Gas and Vacuum Systems (NFPA) Standard 99C, Standard for Hypobaric Facilities (NFPA) Standard 99B, and Canadian Standards Association (CSA) Standard Z 305.1/Z 7396.1, Nonflammable Medical Gas Piping Systems.
Note 1—Types K and L tube are defined in Specification B88.
Note 2—Drawn temper tube is suitable for use with capillary (solder joint) fittings for brazing.
1.2 The 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.
1.3 The following safety hazard caveat pertains only to the test method portion of Section 12 of this specification. 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B88 Specification for Seamless Copper Water Tube
B251 Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube
B280 Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service
B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast
B846 Terminology for Copper and Copper Alloys
E8 Test Methods for Tension Testing of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E243 Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Other StandardsCanadianStandardsAss Nonflammable Medical Gas Piping Systems Available from Canadian Standards Association (CSA), 5060 Spectrum Way, Suite 100 Mississauga, Ontario Canada, L4W 5N6, http://www.csa.ca.
ICS Number Code 11.040.10 (Anaesthetic, respiratory and reanimation equipment)
UNSPSC Code 40182000(Seamless copper tubes); 42000000(Medical Equipment and Accessories and Supplies)
ASTM B819-00(2011), Standard Specification for Seamless Copper Tube for Medical Gas Systems, ASTM International, West Conshohocken, PA, 2011, www.astm.orgBack to Top