ASTM B743-12(R2020) pdf download
1.1 This specification establishes the requirements for seam-less copper tube in coils, suitable for use in refrigeration and air conditioning or other uses, such as oil lines and gasoline lines. 1.2 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 […]
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