ASTM B608 - 11 standard specification for welded copper-alloy pipe


Source: ASTM International

This specification covers arc-welded copper-alloy pipe for use in brackish water or seawater piping systems. The pipe shall be made from annealed copper alloy sheet or plate that conforms to the requirements specified for copper alloys with UNS nos. C61300, C61400 C70620 and C71520. These specifications reference test methods E 62, E 76, and E 478 for the appropriate chemical analysis. Welded joints shall be made either manually or automatically by an arc-welding process. The pipe material shall conform to the chemical composition requirements prescribed. With test taken across any weld, the pipe shall be capable of conforming to the required transverse tensional strength value. The transverse-face and root-guided bend test shall be taken with the weld in the center of the test specimen and there shall be no open defects exceeding the required value measured in any direction on the convex surface of the specimen when tested in accordance with test methods E 190. Each length of pipe shall be capable of withstanding an internal hydrostatic pressure without showing evidence of weakness, defects, or leakage. All welded joints in any individual length of pipe shall be radiographed completely. Weld thickness shall conform to wall-thickness requirements after removal of reinforcement.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Significance and Use

For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, an 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
significant digit used in expressing
the limiting value
Tensile strength: nearest ksi (5 MPa)

1. Scope

1.1 This specification establishes the requirements for arc-welded pipe for use in brackish water or seawater piping systems.

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 hazard statement pertains only to the test method described in 8.2 and 14.3.2 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 (purchase separately)

ASTM Standards
B169/B169M Specification for Aluminum Bronze Sheet, Strip, and Rolled Bar
B171/B171M Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers
B846 Terminology for Copper and Copper Alloys
E8 Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E76 Test Methods for Chemical Analysis of Nickel-Copper Alloys
E190 Test Method for Guided Bend Test for Ductility of Welds
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E478 Test Methods for Chemical Analysis of Copper Alloys

AWS Standards
A5.7 Copper and Copper-Alloy Welding Rods

ASME Standards
BoilerandPressureVes Welding Qualifications, Section IX

Index Terms

copper-alloy pipe; welded copper-alloy pipe; welded pipe; UNS No. C61300; UNS No. C61400; UNS No. C70620; UNS No. C71520: Aluminum bronzes--specifications; Brackish water/brines; Bronze pipe/tube--specifications; Copper alloy pipe--specifications; Seawater (natural/synthetic); UNS C61300 (aluminum bronze)--pipe/tube; UNS C61400 (aluminum bronze D)--pipe/tube; UNS C70600 (Cu-Ni)--pipe/tube (seamless/welded); UNS C71500--pipe/tube (seamless/welded); Welded Cu/Cu alloy pipe;

ICS Code

ICS Number Code 77.150.30 (Copper products)

DOI: 10.1520/B0608-11

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