ASTM B643-12 - 1.4.2012
 
1. Scope

1.1 This specification establishes requirements for copper-beryllium alloy seamless tube in straight lengths. Copper Alloy UNS C17200 will be the alloy furnished whenever Specification B643 is specified.

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 are provided for information only and are not considered standard.

1.3 The following safety hazard caveat pertains only to the test methods described in this specification.

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 and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

E527-23

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

B601-24

Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast

B846-24

Standard Terminology for Copper and Copper Alloys

E3-26

Standard Guide for Preparation of Metallographic Specimens

E8/E8M-25

Standard Test Methods for Tension Testing of Metallic Materials

B194-22

Standard Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar

B251-10

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

E112-25e1

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

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

E255-23

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