ASTM B350/B350M-02

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Used in USNRC-RDT standards
Designation: B 350/B 350M – 02
Standard Specification for
Zirconium and Zirconium Alloy Ingots for Nuclear
1
Application
This standard is issued under the fixed designation B 350/B 350M; 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 same heat treatment parameters. Unless otherwise agreed
between manufacturer and purchaser, a lot shall be limited to
1.1 This specification covers vacuum-melted zirconium and
the product of an 8 h period for final continuous anneal, or to
zirconium alloy ingots for nuclear application.
a single furnace load for final batch anneal.
1.2 The values stated in either inch-pound units or SI units
3.1.4 sponge—a lot shall consist of a single blend produced
are to be regarded separately as standard. Within the text, the
at one time.
SI units are shown in brackets. The values stated in each
3.1.5 weld fittings—definition is to be mutually agreed upon
system are not exact equivalents; therefore, each system shall
between manufacturer and the purchaser.
be used independently of the other. Combining values from the
two systems may result in nonconformance with the specifi-
4. Classification
cation.
4.1 Ingots are furnished in five grades as follows:
1.3 The following precautionary caveat pertains only to the
4.1.1 R60001 Unalloyed Zirconium,
test method portions of this specification: This standard does
4.1.2 R60802 Zirconium-Tin Alloy,
not purport to address all of the safety concerns, if any,
4.1.3 R60804 Zirconium-Tin Alloy,
associated with its use. It is the responsibility of the user of this
4.1.4 R60901 Zirconium-Niobium Alloy, and
standard to establish appropriate safety and health practices
4.1.5 R60904 Zirconium-Niobium Alloy.
and determine the applicability of regulatory limitations prior
to use.
5. Ordering Information
2. Referenced Documents 5.1 Orders for material under this specification should
include the following information as required to describe
2.1 ASTM Standards:
adequately the desired material:
E 29 Practice for Using Significant Digits in Test Data to
2 5.1.1 Quantity in weight or pieces,
Determine Conformance with Specifications
5.1.2 Name of material,
E 114 Practice for Ultrasonic Pulse-Echo Straight-Beam
3 5.1.3 Grade (Table 1),
Examination by the Contact Method
5.1.4 Size (diameter, length, or weight), in the unit system
3. Terminology regarded as standard (inch-pound or SI), and
5.1.5 ASTM designation and year of issue.
3.1 Lot Definitions:
3.1.1 castings—a lot shall consist of all castings produced
NOTE 1—A typical ordering description is as follows: two each zirco-
from the same pour.
nium ingots, Grade R60001, 12 in. diameter by 1000 lb each, ASTM
Specification: B 350 – 01.
3.1.2 ingot—no definition required.
3.1.3 rounds, flats, tubes, and wrought powder metallurgical
5.2 In addition to the data specified in 5.1, the following
products (single definition, common to nuclear and non-
options and points of agreement between the manufacturer and
nuclear standards)—a lot shall consist of a material of the
the purchaser should be specified in the purchase order if
same size, shape, condition, and finish produced from the same
required:
ingot or powder blend by the same reduction schedule and the
5.2.1 Inspection (Section 12), and
5.2.2 Oxygen analysis requirements (Table 1).
1
This specification is under the jurisdiction of ASTM Committee B10 on
6. Materials and Manufacture
Reactive and Refractory Metals and Alloys and is the direct responsibility of
6.1 Materials covered by this specification shall be pro-
Subcommittee B10.02 on Zirconium and Hafnium.
Current edition approved June 10, 2002. Published August 2002. Originally
duced by multiple vacuum arc melting, or electron beam
published as B 350 – 60 T. Last previous edition B 350/B 350M – 01a.
melting, or other melting processes conventionally used for
2
Annual Book of ASTM Standards, Vol 14.02.
3
Annual Book of ASTM Standards, Vol 03.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 350/B 350M
TABLE 1 Chemical Requirements
Composition, Weight %
Element
UNS R60001 UNS R60802 UNS R60804 UNS R60901 UNS R60904
Tin . 1.20–1.70 1.20–1.70 . .
Iron . 0.07–0.20 0.18–0.24 . .
Chromium . 0.05–0.15 0.07–0.13 . .
Nickel . 0.03–0.08 . . .
Niobium (columbium) . . . 2.40–2.80 2.50–2.80
AA A A
Oxygen 0.09–0.15
Iron + chromium + nickel . 0.18–0.38 . . .
Iron + chromium . . 0.28–0.37 . .
Maximum Impurities, Weight %
Aluminum
...