ASTM B608-95
(Specification)Standard Specification for Welded Copper-Alloy Pipe
Standard Specification for Welded Copper-Alloy Pipe
SCOPE
1.1 This specification establishes the requirements for arc-welded pipe for use in brackish water or seawater piping systems.
1.2 Values stated in inch-pound units are the standard. SI values given in parentheses and in the tables are for information only.
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.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 608 – 95
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Welded Copper-Alloy Pipe
This standard is issued under the fixed designation B 608; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope * A 5.7 Copper and Copper-Alloy Arc-Welding Electrodes
A 5.7 Copper and Copper-Alloy Welding Rods
1.1 This specification establishes the requirements for arc-
2.3 ASME Standards:
welded pipe for use in brackish water or seawater piping
Boiler and Pressure Vessel Code, Nuclear Power Plant
systems.
Components, Section III, Division I
1.2 Values stated in inch-pound units are the standard. SI
Boiler and Pressure Vessel Code, Nondestructive Examina-
values given in parentheses and in the tables are for informa-
tion, Section V
tion only.
Boiler and Pressure Vessel Code, Pressure Vessels, Section
1.3 The following hazard statement pertains only to the test
VIII, Division I
method described in 8.2 and 14.3.2 of this specification: This
Boiler and Pressure Vessel Code, Welding Qualifications,
standard does not purport to address all of the safety concerns,
Section IX
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety and health
3. Terminology
practices and determine the applicability of regulatory limita-
3.1 Definitions:
tions prior to use.
3.1.1 arc-welding, n—a group of welding processes wherein
2. Referenced Documents coalescence is produced by heating with an electric arc or arcs,
with or without the application of pressure and with or without
2.1 ASTM Standards:
the use of filler metal.
B 169 Specification for Aluminum Bronze Plate, Sheet,
2 3.1.2 as-welded condition, n—the result of forming an-
Strip, and Rolled Bar
nealed sheet or plate into tubular form and welding without
B 171 Specification for Copper-Alloy Plate and Sheet for
subsequent heat treatment or cold work.
Pressure Vessels, Condensers, and Heat Exchangers
3.1.3 base metal, n—the sheet or plate from which the pipe
E 8 Test Methods for Tension Testing of Metallic Materials
is formed.
E 29 Practice for Using Significant Digits in Test Data to
3.1.4 weld reinforcement, n—the portion of the welded joint
Determine Conformance with Specifications
which extends beyond the inner and outer surface of the base
E 62 Test Methods for Chemical Analysis of Copper and
metal of the welded pipe.
Copper Alloys (Photometric Methods)
3.2 Terms Specific to This Specification:
E 76 Test Methods for Chemical Analysis of Nickel-Copper
3.2.1 capable of, adj—possessing the required properties or
Alloys
characteristics, or both, necessary to conform to specification
E 190 Test Method for Guided Bend Test for Ductility of
3 requirements when subjected to specified test(s).
Welds
3.2.2 rehearing, n—a petition by the manufacturer or sup-
E 255 Practice for Sampling Copper and Copper Alloys for
5 plier to the purchaser, as a result of material rejection, for
the Determination of Chemical Composition
additional testing to be conducted by the manufacturer or
E 478 Test Methods for Chemical Analysis of Copper
5 supplier and the purchaser. Identical samples of the product are
Alloys
to be tested by both parties using a method(s) specified in the
2.2 AWS Standards:
product specification. Alternatively, upon agreement of both
parties, an independent laboratory may be selected for the tests
using the specified methods.
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipe
and Tube.
4. Ordering Information
Current edition approved Jan. 15, 1995. Published March 1995. Originally
4.1 Contracts or purchase orders for product furnished
published as B 608 – 76. Last previous edition B 608 – 88.
Annual Book of ASTM Standards, Vol 02.01. under this specification should include the following informa-
Annual Book of ASTM Standards, Vol 03.01.
tion:
Annual Book of ASTM Standards, Vol 14.02.
Annual Book of ASTM Standards, Vol 03.05.
6 7
Available from the American Welding Society, 2501 North West 7th Street, Available from the American Society of Mechanical Engineers, 345 East 47th
Miami, FL 33125. Street, New York, NY 10017.
*A Summary of Changes section appears at the end of this standard.
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 608
4.1.1 ASTM specification designation and year of issue, (for shall not be more than ⁄16 in. (1.6 mm) per side measured in the
example, B 608 – XX), radial direction.
4.1.2 Copper alloy UNS No. required (Section 5 and Table
5.2.4.2 At no place shall the thickness of the weld section be
1), less than the thickness of the adjacent base metal.
4.1.3 Dimensions required; diameter and wall thickness
5.2.4.3 The contour of the weld bead shall be smooth,
(Section 10),
having no sharp valley or groove at the weld center or edges.
4.1.4 Unit length required, and
5.2.4.4 Smooth concavity of the weld bead contour is
4.1.5 When purchased for ASME Boiler and Pressure Vessel
acceptable provided the minimum weld bead thickness is not
Code application.
less than the thickness of the adjacent base metal.
4.2 The following options are available:
5.2.4.5 Any offset of base metal edges at a weld that is
4.2.1 Determination of chemical composition (Section
within the tolerance of 9.2.7 shall be faired ata3to1 minimum
6.1.1),
taper over the width of the finished weld, or if necessary, by
4.2.2 Guided bend test (Section 8.1),
adding additional weld metal beyond what would otherwise be
4.2.3 Hydrostatic test (Section 8.2),
the edge of the weld. Such build-up welding shall be performed
4.2.4 Radiographic examination (Section 8.3),
in accordance with the requirements of 5.2.3.
4.2.4.1 The number of pipe lengths to be examined,
5.2.4.6 Weld reinforcement may be removed at the option of
4.2.5 Liquid penetration examination (Section 8.4),
the manufacturer or when specified by the purchaser.
4.2.6 Weld reinforcement removal, (Section 8.5),
5.2.5 Weld defects shall be repaired by removal to sound
4.2.7 Certification (Section 18), and
metal and rewelding. A repaired weld shall meet all require-
4.2.8 Test Report (Section 19).
ments of an original weld.
5.2.6 Base metal defects such as slivers, inclusions or laps
5. Material and Manufacture
shall be repaired by removal to sound metal. Build-up welding
5.1 Material:
shall be performed when such removal reduces the wall
5.1.1 The pipe shall be made from annealed copper alloy
thickness below the minimum allowed by the specification.
sheet or plate that conforms to the requirements of Specifica-
Such build-up welding shall be performed in accordance with
tion B 169 for Copper Alloys UNS Nos. C61300 and C61400
the requirements of 5.2.3. The thickness of the repaired section
or Specification B 171 for Copper Alloys UNS Nos. C70600
shall meet the requirements of a welded joint.
and C71500.
5.2.7 Pipe shall be furnished in the as-welded condition
5.2 Manufacture:
(Section 3).
5.2.1 Welded joints shall be made either manually or auto-
NOTE 1—Although no restriction is placed on the size of pipe that may
matically by an arc welding process.
be furnished under this specification, usuage is normally limited to normal
5.2.2 Filler metal, if used in an arc-welding process, shall
sizes 4 in. (101 mm) and larger in diameter.
conform to one of the following specifications and classifica-
tions shown for each base metal:
6. Chemical Composition
Base Metal Copper Alloy Filler Metal AWS Specification
6.1 The pipe material shall conform to the requirements of
UNS Number A5.6 A5.7
Table 1 for the specified alloy.
C61300 ECuAl-A2 ERCuAl-A2
6.1.1 When the material of manufacturer has been certified
C61400 ECuAl–A2 ERCuAl–A2
C70600 ECuNi ERCuNi
to conform to the requirements of the strip specification to
C71500 ECuNi ERCuNi
which it was ordered, the determination of composition is not
required of the tube manufacturer or supplier unless specified
5.2.3 Welding procedures and welding operators shall be
in the contract or purchase order.
qualified in accordance with the ASME Boiler and Pressure
6.2 These specified limits do not preclude the presence of
Vessel Code, Section IX.
5.2.4 Each length of pipe may contain more than one other elements. Limits may be established and analysis re-
quired for unnamed elements by agreement between the
longitudinal welded joint.
5.2.4.1 The welded joint shall be a full-penetration weld and manufacturer or supplier and the purchaser.
may have a reinforcing bead on each side; such reinforcement 6.3 When determining composition, copper may be taken as
TABLE 1 Chemical Requirements
Composition, %
Copper Alloy Nickel
Lead, Zinc, Manganese, Sulfur, Phosphorus, Carbon,
A
UNS Copper incl Aluminum Iron Tin
max max max max max max
Number Cobalt
B
C61300 remainder 0.15 max 6.0–7.5 0.01 2.0–3.0 0.10 0.20 . 0.015 . 0.20–0.50
C61400 remainder . 6.0–8.0 0.01 1.5–3.5 0.20 1.0 . 0.015 . .
C70600 remainder 9.0–11.0 . 0.02 1.0–1.8 0.50 1.0 0.02 0.02 0.05 .
C71500 remainder 29.0–33.0 . 0.02 0.4–1.0 0.50 1.0 0.02 0.02 0.05 .
A
Silver counting as copper.
B
When the product is for subsequent welding applications and is so specified by the purchaser, chromium shall be 0.05 % max, cadmium 0.05 % max, zinc 0.05 % max,
and zirconium 0.05 % max.
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 608
the difference between the sum of results for specified elements Code, Section III, Division 1, or Section VIII, Division 1, as
and 100 %. specified.
6.4 When all elements in Table 1 for the specified alloy are
9. Weld Reinforcement Removal
determined the sum of results shall be as follows:
Copper Alloy UNS No. Copper Plus Specified Elements, Per- 9.1 When specified in the contract or purchase order, weld
cent, %, Minimum
reinforcement shall be completely removed from the inside
C61300 99.8
surface and outside surface longitudinal welded joints.
C61400, C70600, C71500 99.5
9.2 Weld thickness shall conform to wall thickness require-
7. Mechanical Property Requirements
ments after removal of reinforcement.
7.1 Transverse Tensional Strength:
10. Dimensions and Permissible Variations
7.1.1 With the test taken across any weld, the pipe shall be
10.1 Dimensions:
capable of conforming to the value given in Table 2 for the
10.1.1 Pipe diameter shall be specified as a nominal diam-
particular alloy.
eter in inches as shown in Table 3, Table 4, or Table 5.
8. Performance Requirements
10.1.2 Pipe wall thickness shall be that shown in Table 3,
Table 4, or Table 5 for the diameter and pressure class
8.1 Transverse Guided-Bend Test:
specified.
8.1.1 The transverse face and root guided bend test shall be
10.1.3 If a pipe outside diameter or wall thickness, not
taken with the weld in the center of the test specimen and there
specified in Table 3, Table 4, or Table 5 is desired, the diameter
shall be no open defects exceeding 0.125 in. (3.18 mm)
and the wall thickness shall be specified in decimal fractions of
measured in any direction on the convex surface of the
an inch.
specimen when tested in accordance with Test Methods E 190.
Cracks originating from corners of the specimen shall not be
considered.
TABLE 3 Standard Sizes and Wall Thickness
Copper Alloy UNS Nos. C61300 and C61400
8.1.2 This test is not required unless specified in the contract
or purchase order.
Inch-Pound Units, Thickness, in.
8.2 Hydrostatic Test: A
Diameter, in. Pressure Class, psi
8.2.1 Each length of pipe shall be capable of withstanding
Nom- Outside 50 75 100 150 200
an internal hydrostatic pressure sufficient to produce a fiber
inal
stress of 7 000 psi (48 MPa) without showing evidence of
4 4.50 0.094 0.094 0.094 0.094 0.094
weakness, defects, or leakage. 5 5.563 0.094 0.094 0.094 0.094 0.094
6 6.625 0.094 0.094 0.094 0.094 0.094
8.2.1.1 This requirement is not recommended for pipe with
8 8.625 0.094 0.094 0.094 0.094 0.094
an outside diameter greater than 24 in. (610 mm).
10 10.75 0.094 0.094 0.094 0.125 0.125
8.2.2 No pipe size need be subjected to a pressure gage 12 12.75 0.094 0.094 0.094 0.125 0.165
14 14.00 0.125 0.125 0.125 0.125 0.165
reading greater than 1 000 psi (6 900 kPa).
16 16.00 0.125 0.125 0.125 0.134 0.187
8.2.3 This test is not required unless specified in the contract
18 18.00 0.125 0.125 0.125 0.165 0.187
20 20.00 0.125 0.125 0.125 0.165 0.250
or purchase order.
24 24.00 0.125 0.125 0.134 0.187 0.250
8.3 Radiographic Examination:
30 30.00 0.134 0.134 0.165 0.250 0.312
8.3.1 When specified in the contract or purchase order, pipe
36 36.00 0.134 0.165 0.187 0.312 0.375
42 42.00 0.187 0.187 0.250 0.312 0.437
shall be examined in accordance with the procedure and
48 48.00 0.187 0.187 0.259 0.375 0.437
acceptance criteria of the ASME Boiler and Pressure Vessel
SI Units, Thickness, mm
Code, Section III, Division 1, or Section VIII, Division 1, as
A
specified. Diameter, in. Pressure Class, kPa
8.3.1.1 The number of pipe lengths to be examined shall be
Nom- Outside 345 517 689 1034 1379
inal
specified by the purchaser.
4 4.50 2.38 2.38 2.38 2.38 2.38
8.3.2 All welded joints in any individual length of pipe shall
5 5.563 2.38 2.38 2.38 2.38 2.38
be radiographed completely.
6 6.625 2.38 2.38 2.38 2.38 2.38
8.4 Liquid Penetration Examination:
8 8.625 2.38 2.38 2.38 2.38 2.38
10 10.75 2.38 2.38 2.38 3.18 3.18
8.4.1 When specified in the contract or purchase order, all
12 12.75 2.38 2.38 2.38 3.18 4.19
welded joints in all lengths of pipe shall be examined, both the
14 14.00 3.18 3.18 3.18 3.18 4.19
inside and outside surfaces, in accordance with the procedure
16 16.00 3.18 3.18 3.18 3.40 4.76
18 18.00 3.18 3.18 3.18 4.19 4.76
and acceptance criteria of the ASME Boiler and Pressure Vessel
20 20.00 3.18 3.18 3.18 4.76 6.35
24 24.00 3.18 3.18 3.40 4.76 6.35
TABLE 2 Transverse Tensile Strength 30 30.00 3.40 3.40 4.19 6.35 7.94
36 36.00 3.40 4.19 4.76 7.94 9.53
A
Copper Alloy UNS Number Tensile Strength, min, ksi (MPa)
42 42.00 4.76 4.76 6.35 7.94 11.1
C61300 70 (485) 48 48.00 4.76 4.76 6.35 9.53 11.1
C61400 70 (485)
A
Pressure ratings apply to any design temperature not exceeding 350°F
C70600 40 (275)
(176°C). Pressure ratings a
...
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