ASTM B68/B68M-11 - 15.2.2011
 
1. Scope

1.1 This specification establishes the requirements for bright annealed seamless copper tube suitable for use in refrigeration, oil lines, gasoline lines, and so forth, where tube with an interior surface essentially free from scale and dirt is required.

 
2. Referenced Documents

B153-22

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

E2575-19

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

E255-23

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

B251M-10

Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube [Metric] (Withdrawn 2017)

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

B846-24

Standard Terminology for Copper and Copper Alloys

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

E8/E8M-25

Standard Test Methods for Tension Testing 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

E527-23

Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

B251-10

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