ASTM B743-06 - 1.10.2006
 
1. Scope

1.1 This specification establishes the requirements for seamless copper tube in coils, suitable for use in refrigeration and air conditioning or other uses, such as oil lines and gasoline lines.

1.2 UnitsThe values stated in inch-pound units are 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 tube shall be produced of the following coppers. Unless otherwise specified, tubes made from any one of these coppers may be supplied:

The following safety hazards caveat pertains to the test method portion, Section 17, 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

B846-24

Standard Terminology for Copper and Copper Alloys

E2

Bulletin E2, Bulletin on Management of Naturally Occurring Radioactive Materials (NORM) in Oil and Gas Production, Second Edition

E3-26

Standard Guide for Preparation of Metallographic Specimens

E8/E8M-25

Standard Test Methods for Tension Testing of Metallic Materials

E18-25

Standard Test Methods for Rockwell Hardness of Metallic Materials

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)

E112-25e1

Standard Test Methods for Determining Average Grain Size (Includes all amendments and changes 9/9/2026).

E243-24

Standard Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy Tubes

E255-23

Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

E2575-19

Standard Test Method for Determination of Oxygen in Copper and Copper Alloys by Inert Gas Fusion

B251-10

Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube

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

B153-22

Standard Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing

B170-24

Standard Specification for Oxygen-Free Electrolytic Copper—Refinery Shapes

B193-25

Standard Test Method for Resistivity of Electrical Conductor Materials

B224-16(2022)

Standard Classification of Coppers