ASTM B658/B658M-11(2020)

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.
Designation:B658/B658M −11 (Reapproved 2020)
Standard Specification for
Seamless and Welded Zirconium and Zirconium Alloy Pipe
This standard is issued under the fixed designation B658/B658M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope E2626 Guide for Spectrometric Analysis of Reactive and
Refractory Metals (Withdrawn 2017)
1.1 This specification covers three grades of seamless and
2.2 ANSI Standard:
welded zirconium pipe.
B36.19 Stainless Steel Pipe
1.2 Unless a single unit is used, for example corrosion mass
2.3 ASME Standard:
gain in mg/dm , the values stated in either inch-pound or SI
ASME Boiler and Pressure Vessel Code, Section VIII
units are to be regarded separately as standard. The values
ASME Boiler and Pressure Vessel Code, Section IX
stated in each system are not exact equivalents; therefore each
system must be used independently of the other. SI values
3. Terminology
cannot be mixed with inch-pound values.
3.1 Definitions of Terms Specific to This Standard:
1.3 The following precautionary caveat pertains only to the
3.1.1 annealed, n—for purposes of this specification “an-
test methods portions of this specification: This standard does
nealed” denotes material that exhibits a recrystallized grain
not purport to address all of the safety concerns, if any,
structure.
associated with its use. It is the responsibility of the user of this
3.2 Lot Definitions:
standard to establish appropriate safety, health, and environ-
3.2.1 pipe, n—a lot shall consist of a material of the same
mental practices and determine the applicability of regulatory
size, shape, condition, and finish produced from the same ingot
limitations prior to use.
or powder blend by the same reduction schedule and the same
1.4 This international standard was developed in accor-
heat treatment parameters. Unless otherwise agreed between
dance with internationally recognized principles on standard-
manufacturer and purchaser, a lot shall be limited to the
ization established in the Decision on Principles for the
product of an 8 h period for final continuous anneal, or to a
Development of International Standards, Guides and Recom-
single furnace load for final batch anneal.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4. Classification
4.1 The pipe is furnished in three grades as follows:
2. Referenced Documents
4.1.1 Grade R60702—Unalloyed zirconium.
2.1 ASTM Standards:
4.1.2 Grade R60704—Zirconium-tin alloy.
B614 Practice for Descaling and Cleaning Zirconium and
4.1.3 Grade R60705—Zirconium-niobium alloy.
Zirconium Alloy Surfaces
E8/E8M Test Methods for Tension Testing of Metallic Ma-
5. Ordering Information
terials
5.1 Orders for materials under this specification should
E29 Practice for Using Significant Digits in Test Data to
include the following information:
Determine Conformance with Specifications
5.1.1 Quantity (weight or total length),
5.1.2 Name of material (zirconium pipe),
5.1.3 Grade number (see 4.1),
This specification is under the jurisdiction of ASTM Committee B10 on
5.1.4 Nominal pipe size and schedule (Table X1.1),
Reactive and Refractory Metals and Alloys and is the direct responsibility of
5.1.5 Lengths (random or specified cut lengths),
Subcommittee B10.02 on Zirconium and Hafnium.
Current edition approved Oct. 1, 2020. Published October 2020. Originally
approved in 1979. Last previous edition approved in 2016 as B658/B658M – 11
(2016). DOI: 10.1520/B0658_B0658M-11R20. The last approved version of this historical standard is referenced on
For ASME Boiler and Pressure Vessel Code Applications, see related Specifi- www.astm.org.
cation SB-658 in Section II of that Code. Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 4th Floor, New York, NY 10036, http://www.ansi.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Society of Mechanical Engineers (ASME), ASME
Standards volume information, refer to the standard’s Document Summary page on International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B658/B658M−11 (2020)
A
TABLE 1 Chemical Requirements
Composition, %
Element UNS Grade Designation
R60702 R60704 R60705
Zirconium + hafnium, min 99.2 97.5 95.5
Hafnium, max 4.5 4.5 4.5
Iron + chromium 0.2 max 0.2 to 0.4 0.2 max
Tin . 1.0to2.0 .
Hydrogen, max 0.005 0.005 0.005
Nitrogen, max 0.025 0.025 0.025
Carbon, max 0.05 0.05 0.05
Niobium . . . . . . 2.0 to 3.0
Oxygen, max 0.16 0.18 0.18
A
By agreement between the purchaser and the manufacturer, analysis may be required and limits established for elements and compounds not specified in the table of
chemical compositions.
TABLE 2 Permissible Variation in Check Analysis Between
6.2.2 Filler metal, when used, shall be the same grade as the
Different Laboratories
base metal.
Permissible Variation in Product
6.2.3 Welds in grade R60705 shall be stress relief annealed
Element
Analysis, %
within 14 days after welding to prevent delayed hydride
Hydrogen 0.002
cracking. The heat treatment shall be as follows:
Nitrogen 0.01
6.2.3.1 The stress-relieving treatment shall consist of hold-
Carbon 0.01
Hafnium 0.1
ing the pipe at a minimum temperature of 1100°F [600°C] for
Iron + chromium 0.025
not less than 30 min per inch [25 mm] of the maximum
Tin 0.05
Niobium 0.05 thickness in a nonreducing atmosphere. The minimum time at
Oxygen 0.02
this temperature is 15 min. All stress-relieved parts shall be
cleaned subsequently and shall be free of oxide scale contami-
nation (see Practice B614).
TABLE 3 Tensile Requirements
6.3 The pipe shall be furnished in the annealed or stress-
UNS Grade Designations
relieved condition.
R60702 R60704 R60705
Tensile strength, 55 [380] 60 [415] 80 [550]
min, ksi [MPa]
7. Chemical Composition
Yield strength, min, 30 [205] 35 [240] 55 [380]
ksi [MPa] 7.1 The material shall conform to the requirements as to
Elongation in 2 in. 16 14 16
chemical composition prescribed in Table 1.
or 50 mm,
A
min, %
7.2 The manufacturer’s ingot analysis shall be considered
A
Whenasub-sizespecimenisused,thegaugelengthshallbeasspecifiedinTest the chemical analysis for piping, except for hydrogen and
Methods E8/E8M for that specimen.
nitrogen, which shall be determined on the finished product.
7.3 When requested by the purchaser and stated in the
purchase order, a product analysis for any elements listed in
Table 1 shall be made on the finished product.
5.1.6 Method of manufacture (Section 6),
7.3.1 The manufacturer’s analysis shall be considered as
5.1.7 Workmanship and quality level requirements (Section
verified if the check analysis confirms the manufacturer’s
10),
reported values within the tolerances prescribed in Table 2.
5.1.8 ASTM designation and year of issue, and
5.1.9 Additions to the specification and supplementary
8. Tensile Requirements
requirements, if required. See 7.3, 14.1, 15.1, and 18.1 for
8.1 The material, as represented by the test specimens, shall
additional optional requirements for the purchase order.
conform to the tensile properties prescribed in Table 3.
NOTE 1—A typical ordering description is as follows: 240-ft [70-mm]
zirconium pipe, seamless, descaled 3.0-in. [75-mm] Schedule 40 by 12-ft 9. Permissible Variations in Dimensions
[3-m] lengths, ASTM B658/B658M - 05, Grade R60702.
9.1 Diametric—Any point (cross section) along the length
of the pipe, the variations in outside diameters shall not exceed
6. Materials and Manufacture
those prescribed in Table 4.
6.1 Seamless pipe shall be made from any seamless method
9.1.1 The tolerances on the outside diameter include ovality
that will yield a product meeting this specification.
except as provided for in 9.1.2.
6.2 Pipe containing welded seams or other joints made by 9.1.2 Thin-wall pipe usually develops significant ovality
welding shall comply with the following provisions: (out-of-roundness) during final annealing, straightening, or
6.2.1 Welded by welders, welding operators, and welding both. Thin-wall pipe is defined as having a wall thickness of
procedures qualified under the provisions of Section IX of the 3 % or less of the outside diameter. The diameter tolerances of
ASME Boiler and Pressure Vessel Code. Table 4 are not sufficient to provide for additional ovality
B658/B658M−11 (2020)
A
TABLE 4 Permissible Variations in Diameter
12.2 One chemistry test for hydrogen and nitrogen content
Permissible Variations in Outside
shall be made from each lot of finished product, see 13.3.
Nominal Outside Diameter,
B
Diameter, in. [mm]
(NPS)
in. [mm] 12.3 A hydrostatic proof test shall be performed on each
Over Under
length of pipe, see 13.2.
1 1 1 1
⁄8 to 1 ⁄2 [3.2 to 40], incl ⁄64 [.4] ⁄32 [.8]
1 1 1
Over 1 ⁄2 to 4 [40 to 100], incl ⁄32 [.8] ⁄32 [.8]
12.4 Retests:
1 1
Over 4 to 8 [100 to 200], incl ⁄16 [1.6] ⁄32 [.8]
3 1
12.4.1 If any sample or specimen exhibits obvious surface
Over 8 to 12 [200 to 305], incl ⁄32 [2.4] ⁄32 [.8]
A
contamination or improper preparation disqualifying it as a
For seamless pipe only. Tolerances on welded pipe shall be as agreed upon
between the manufacturer and the purchaser.
truly representative sample, it shall be discarded and a new
B
NPS = nominal pipe size.
sample or specimen substituted.
12.4.2 If the results of any tests of an
...