ASTM B467-14(2022) - 1.5.2022
 
Significance and Use

18.1?For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, and observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.

Property

Rounded Unit for Observed or Calculated Value

?

Chemical composition

nearest unit in the last right-hand place of figures of the specified limit

Tensile strength
Yield strength

nearest ksi (nearest MPa up to 10 ksi, incl, nearest 5 MPa over 10 ksi)

Elongation

nearest 1 %

 
1. Scope

1.1?This specification establishes the requirements for welded copper-nickel alloy pipe for general engineering purposes. The following alloys are covered:2

Copper Alloy
UNS No.2

Type of Metal

?

?

C70600

90-10 copper-nickel

C70620

90-10 copper-nickel

?

(Modified for Welding)

C71500

70-30 copper-nickel

C71520

70-30 copper-nickel

?

(Modified for Welding)

1.2?UnitsThe 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?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 
2. Referenced Documents

E478-08(2017)

Standard Test Methods for Chemical Analysis of Copper Alloys

American Welding Society Specification A5.6

American Welding Society Specification A5.7

B153-22

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

B601-18a

Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).

B846-19a

Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).

B950-23

Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys

B968/B968M-16(2022)

Standard Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube

E243-18

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

E8/E8M-24

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

E54-80(1996)

Standard Test Methods for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002)

E62-89(1996)

Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

E255-23

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