ASTM B551/B551M-01

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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 551/B 551M – 01
Standard Specification for
Zirconium and Zirconium Alloy Strip, Sheet, and Plate
This standard is issued under the fixed designation B 551/B 551M; 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 ingot or powder blend by the same reduction schedule and the
same heat treatment parameters. Unless otherwise agreed
1.1 This specification covers three grades of zirconium
between manufacturer and purchaser, a lot shall be limited to
strip, sheet, and plate.
the product of an 8 h period for final continuous anneal, or to
1.2 Unless a single unit is used, for example corrosion mass
a single furnace load for final batch anneal.
gain in mg/dm , the values stated in either inch-pound or SI
3.2.4 sponge—a lot shall consist of a single blend produced
units are to be regarded separately as standard. The values
at one time.
stated in each system are not exact equivalents; therefore each
3.2.5 weld fittings—definition is to be mutually agreed upon
system must be used independently of the other. SI values
between manufacturer and the purchaser.
cannot be mixed with inch-pound values.
1.3 The following precautionary caveat pertains only to the
4. Classification
test method portions of this specification: This standard does
4.1 The strip, sheet, or plate is to be furnished in four grades
not purport to address all of the safety concerns, if any,
as follows:
associated with its use. It is the responsibility of the user of this
4.1.1 Grade R60702—Unalloyed zirconium.
standard to establish appropriate safety and health practices
4.1.2 Grade R60704—Zirconium-tin.
and determine the applicability of regulatory limitations prior
4.1.3 Grade R60705—Zirconium-niobium.
to use.
4.1.4 Grade R60706—Zirconium-niobium.
2. Referenced Documents
5. Ordering Information
2.1 ASTM Standards:
5.1 Orders for this material under this specification should
E 8 Test Methods for Tension Testing of Metallic Materials
include the following information:
E 29 Practice for Using Significant Digits in Test Data to
5.1.1 Quantity (weight or number of pieces),
Determine Conformance with Specifications
5.1.2 Name of material (zirconium strip, sheet, or plate),
3. Terminology 5.1.3 Grade number (see 4),
5.1.4 ASTM designation and year of issue,
3.1 Definitions of Terms Specific to This Standard:
5.1.5 Finish and appearance (Section 10), and
3.1.1 annealed—denotes material that exhibits a recrystal-
5.1.6 Additions to the specification and supplementary re-
lized grain structure.
quirements, if required.
3.2 Lot Definitions:
3.2.1 castings—a lot shall consist of all castings produced
NOTE 1—A typical ordering description is as follows: 9000-lb (5000
from the same pour.
kg) zirconium sheet, 0.098 in. (2.5 mm) by 12 in. (300 mm) by 144 in. (3.5
m), ASTM B 551, dated ___, Grade R60705.
3.2.2 ingot—no definition required.
3.2.3 rounds, flats, tubes, and wrought powder metallurgical
6. Materials and Manufacture
products (single definition, common to nuclear and non-
6.1 The sheet, strip, or plate covered by this specification
nuclear standards)—a lot shall consist of a material of the
shall be formed with conventional forging and rolling equip-
same size, shape, condition, and finish produced from the same
ment found in primary ferrous and nonferrous metal plants.
6.2 The sheet strip, and plate shall be supplied in the
This specification is under the jurisdiction of ASTM Committee B10 on
recrystallized annealed condition.
Reactive and Refractory Metals and Alloys and is the direct responsibility of
Subcommittee B10.02 on Zirconium and Hafnium.
7. Chemical Composition
Current edition approved Nov. 10, 2001. Published January 2002. Originally
published as B 551 – 71. Last previous edition B 551 – 97. 7.1 The material shall conform to the requirements as to
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
chemical composition prescribed in Table 1.
cation SB-551 in Section II of that Code.
7.2 The manufacturer’s ingot analysis shall be considered
Annual Book of ASTM Standards, Vol 03.01.
the chemical analysis for sheet, strip, and plate, except for
Annual Book of ASTM Standards, Vol 14.02.
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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 551/B 551M
A
TABLE 1 Chemical Requirements
Composition, %
Element Grades
R60702 R60704 R60705 R60706
Zirconium + hafnium, min 99.2 97.5 95.5 95.5
Hafnium, max 4.5 4.5 4.5 4.5
Iron + chromium 0.2 max 0.2 to 0.4 0.2 max 0.2 max
Tim . 1.0 to 2.0 . .
Hydrogen, max 0.005 0.005 0.005 0.005
Nitrogen, max 0.025 0.025 0.025 0.025
Carbon, max 0.05 0.05 0.05 0.05
Niobium . . . . . . 2.0 to 3.0 2.0 to 3.0
Oxygen, max 0.16 0.18 0.18 0.16
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 composition.
hydrogen and nitrogen, which shall be determined on the 9.3.1 Hot-rolled strip, Table 13.
finished product. 9.3.2 Cold-rolled strip, Table 14.
7.3 When requested by the purchaser and stated in the 9.4 Camber Tolerances—The variations in camber toler-
purchase order, a product analysis for any elements listed in ances are given in the following tables.
Table 1 shall be made on the finished product. 9.4.1 Hot- and cold-rolled sheet, Table 15.
7.3.1 The manufacturer’s analysis shall be considered as 9.4.2 Hot- and cold-rolled strip, Table 16.
verified if the check analysis confirms the manufacturer’s 9.4.3 Plate, Table 17.
reported values within the tolerances prescribed in Table 2. 9.5 Diameter—The variation in diameter tolerance for cir-
cular plates is given in Table 18.
8. Tensile Requirements
9.6 Weight—The permissible variation in weight for zirco-
8.1 The material, as represented by the test specimens, shall nium sheet is given in Table 19.
9.7 Flatness—The permissible variation from a flat surface
conform to the tensile properties prescribed in Table 3.
8.2 For sheet and strip, the bend test specimen shall stand for zirconium plate is given in Table 20.
being bent cold through an angle of 105° without fracture in the
10. Workmanship, Finish and Appearance
outside of the bent portion. The bend shall be made on a radius
equal to that shown in Table 3 for the applicable grade. 10.1 Flat-rolled product in the hot-rolled condition shall be
furnished with one of the following finishes as designated on
9. Permissible Variations in Dimensions
the order.
10.1.1 Not descaled,
9.1 Thickness—The variation in thickness of strip, sheet,
and plate are given in the following tables: 10.1.2 Mechanically descaled, or
10.1.3 Mechanically descaled and pickled.
9.1.1 Hot- and cold-rolled sheet, Table 4.
9.1.2 Hot-rolled strip, Table 5. 10.2 Material in the cold-rolled condition shall be furnished
9.1.3 Cold-rolled strip, Table 6. with a bright cold-rolled finish, or finished by mechanical or
chemical methods.
9.1.4 Plate, Table 7
9.2 Width and Length—The variation in width and length 10.3 The following types of edges are available:
10.3.1 Mill edge,
are given in the following tables:
9.2.1 Hot- and cold-rolled sheet, Table 8. 10.3.2 Slit edge,
10.3.3 Sheared edge, and
9.2.2 Hot-rolled strip, Tables 9 and 10.
9.2.3 Cold-rolled strip, Tables 11 and 10. 10.3.4 Machined edge.
9.2.4 Plate, Table 12.
11. Significance of Numerical Limits
9.3 Crown Tolerances—The variations in crown tolerances
are given in the following tables: 11.1 For the purpose of determining compliance with the
TABLE 2 Permissible Variation in Check Analysis Between
Different Laboratories
Permissible Variation in
Element
Product Analysis, %
Hydrogen 0.002
Nitrogen 0.01
Carbon 0.01
Hafnium 0.1
Iron + chromium 0.025
Tin 0.05
Niobium 0.05
Oxygen 0.02
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 551/B 551M
TABLE 3 Tensile Requirements
Grades
R60702 R60704 R60705 R60706
Tensile strength, min, ksi (MPa) 55 (380) 60 (415) 80 (550) 74 (510)
Yield strength, min, ksi (MPa) 30 (205) 35 (240 55 (380 50 (345)
A
Elongation in 2 in. or 50 mm, min, % 16 14 16 14
B
Bond test radius 5T 5T 3T 2.5T
A
When a sub-size specimen is used, the gage length shall be as specified in Test Methods E 8 for that specimen.
B
T equals the thickness of the bend test specimen. Bend tests are not applicable to material over 0.187 in. (4.8 mm) in thickness.
TABLE 4 Permissible Variations in Thickness of Hot- and
truly representative sample, it shall be discarded and a new
A
Cold-Rolled Zirconium Sheet
sample or specimen substituted.
Permissible Variations in
12.4.2 If the results of any tests of any lot do not conform to
Specified Thickness, in. (mm) Thickness, plus and minus, in.
the requirements specified, retests shall be made on additional
(mm)
sheet, strip, or plate of double the original number from the
0.146–0.1875, excl (3.7–4.8) 0.014 (0.35)
same lot, each of which shall conform to the requirements
0.131–0.145 (3.31–3.69) 0.012 (0.30)
0.115–0.130 (2.91–3.30) 0.010 (0.25)
specified.
0.099–0.114 (2.51–2.90) 0.009 (0.23)
12.4.3 Retesting after failure of initial retests may be done
0.084–0.098 (2.12–2.50) 0.008 (0.20)
only with the approval of the purchaser.
0.073–0.083 (1.84–2.11) 0.007 (0.18)
0.059–0.072 (1.49–1.83) 0.006 (0.15)
13. Test Methods
0.041–0.058 (1.04–1.48) 0.005 (0.13)
0.027–0.040 (0.67–1.03) 0.004 (0.10)
13.1 Tension Tests—Conduct the tension test in accordance
0.017–0.026 (0.42-0.66) 0.003 (0.08)
with Test Methods E 8. Determine the yield strength by the
0.008–0.016 (0.19–0.41) 0.002 (0.05)
0.006–0.007 (0.15–0.18) 0.0015 (0.04)
offset (0.2 %) method. Determine the tensile properties using a
0.005 (0.13) 0.001 (0.025)
strain rate of 0.003 to 0.007 in./in. (mm/mm)/min through the
A
Thickness measurements are taken at least ⁄8 in. (9.5 mm) in from edge.
yield strength. After the yield strength has been exceeded, the
cross-head speed may be increased to approximately 0.05
TABLE 5 Permissible Variations in Thickness of Hot-Rolled
in./in. (mm/mm)/min to failure.
Zirconium Strip
13.2 Chemical Tests—Conduct the chemical analysis by the
Variation from Specified Thickness
standard techniques normally used by the manufacturer.
for Widths Given, Over and
A
Specified Width, in. (mm)
Under, in (mm)
14. Inspection
0.187–0.118, incl 0.119–0.083, incl
14.1 The manufacturer shall inspect the material covered by
To 3 ⁄2 incl 0.006 (0.15) 0.005 (0.13)
this specification prior to shipment and, on request, shall
Over 3 ⁄2–12, incl 0.007 (0.18) 0.006 (0.15)
furnish the purchaser with certificates of test. If so specified in
Over 12–18, incl 0.008 (0.20) 0.008 (0.20)
Over 18–24, incl 0.010 (0.25) 0.010 (0.25)
the purchase order, the purchaser or his representative may
A
witness the testing and inspection of the material at the place of
Thickness measurements shall be taken ⁄8in. (9.5 mm) from edge. Tolerances
do not include crown.
manufacturer. In such cases the purchaser shall state in his
purchase order which tests he desires to witness. The manu-
facturer shall give ample notice to the purchaser as to the time
specified limits for requirements of the properties listed in the
and place of the designated tests. If the purchaser’s represen-
following table, an observed value or a calculated value shall
tative does not present himself at the time agreed upon for the
be rounded as indicated in accordance with the rounding
testing, the manufacturer shall consider the requirement for
methods of Practice E 29.
purchaser’s inspection at the place of manufacture to be
Rounded Unit for Observed or
waived.
Property Calculated Value
14.2 The manufacturer shall afford the inspector represent-
Chemical composition and tolerances nearest unit in the last right-hand place
ing the purchaser, without charge, all reasonable facilities to
(when expressed as decimals) of figures of the specified limit
satisfy him that the material is being furnished in accordance
Tensile strength and yield strength nearest 1000 psi (10 MPa)
Elongation nearest 1 %
with this specification. This inspection shall be so conducted as
to not interfere unnecessarily with the operation of the works.
12. Number of Tests and Retests
15. Rejection
12.1 One longitudinal tension shall be made from each lot
(see 13.1).
15.1 Rejection for failure of the material to meet the
12.2 One chemistry test for hydrogen and nitrogen content requirements of this specification shall be reported to the
shall be made from each lot of finished product (see 13.2). manufacturer within 60 calendar days from the receipt of the
12.3 Two bend tests, one in the longitudinal and one in the material by the purchaser. Unless otherwise specified, rejected
transverse direction, shall be made from each lot (see 8.2). material may be returned to the manufacturer at the manufac-
12.4 Retests: turer’s expense, unless the purchaser receives, within three
12.4.1 If any sample or specimen exhibits obvious surface weeks of the notice of rejection, other instructions for dispo-
contamination or improper preparation disqualifying it as a sition.
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 551/B 551M
TABLE 6 Permissible Variations in Thickness of Cold-Rolled Zirconium Strip
NOTE 1—For thickness under 0.010 in. (0.25 mm) in widths to 16 in. (400 mm) a tolerance of 610 % of the thickness shall apply; in widths over 16
(400 mm) to 24 in. (600 mm) incl, a tolerance of 615 % of the thickness shall apply.
NOTE 2—Thickness measurements shall be taken ⁄8 in. (9.5 mm) in from edge of the strip, except on widths less than 1 in. (2.5 mm) where the
tolerances are applicable for measurements at all locations.
NOTE 3—The tolerances given in this table do not include crown tolerances.
Permissible Variations in Thickness, for Widths Given, Plus and Minus, in. (mm)
⁄16 (4.8 mm) 1 (25 mm)–3 3 (75 mm)–6 Over 6 Over 9 Over 12 Over 16 Over 20
Specified Thickness, in. (mm)
incl, –1 (25 mm), (75 mm) in., (150 mm) in., (150 mm)–9 (230 mm)–12 (300 mm)–16 (400 mm)–20 (500 mm)–24
in. excl excl incl (230 mm) in., (300 mm) in.,
...