ASTM B516-98

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
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Designation: B 516 – 98
Standard Specification for
Welded Nickel-Chromium-Iron Alloy (UNS N06600, UNS
N06603, UNS N06025, and UNS N06045) Tubes
This standard is issued under the fixed designation B 516; 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 3.1.8 Certification— State if a certification or a report of test
results is required, and
1.1 This specification covers welded UNS N06600*,
3.1.9 Purchaser Inspection—State which tests or inspec-
N06603, N06025, and N06045 alloy boiler, heat exchanger,
tions are to be witnessed, if any.
and condenser tubes for general corrosion resisting and low or
high-temperature service.
4. Material and Manufacture
1.2 This specification covers tubes ⁄8 to 5 in. (3.18 to 127
4.1 Tube shall be made from flat-rolled alloy by an auto-
mm), inclusive, in outside diameter and 0.015 to 0.500 in. (0.38
matic welding process with no addition or filler metal. Subse-
to 12.70 mm), inclusive, in wall thickness. Table 2 of Speci-
quent to welding and prior to final annealing, the material shall
fication B 751 lists the dimensional requirements of these sizes.
be cold-worked in either the weld metal only or both weld and
Tubes having other dimensions may be furnished provided
base metal.
such tubing complies with all other requirements of this
4.2 Tube shall be furnished with oxide removed. When
specification.
bright annealing is used, descaling is not necessary.
1.3 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
5. Chemical Composition
information only.
5.1 The material shall conform to the composition limits
specified in Table 1. One test is required for each lot as defined
2. Referenced Documents
in Specification B 751.
2.1 ASTM Standards:
5.2 If a product analysis is performed, it shall meet the
B 751 Specification for General Requirements for Nickel
chemistry limits prescribed in Table 1, subject to the analysis
and Nickel Alloy Welded Tube
tolerances specified in Table 2 of Specification B 751.
3. Ordering Information
6. Mechanical Properties and Other Requirements
3.1 It is the responsibility of the purchaser to specify all
6.1 Mechanical Properties—The material shall conform to
requirements that are necessary for the safe and satisfactory
the mechanical property requirements specified in Table 2. One
performance of material ordered under this specification.
test is required for each lot as defined in Specification B 751.
Examples of such requirements include, but are not limited to,
6.2 Flattening Test— A flattening test shall be made on each
the following:
end of one tube per lot. Superficial ruptures resulting from
3.1.1 Quantity (feet or number of lengths),
surface imperfections shall not be cause for rejection.
3.1.2 UNS number,
6.3 Flange Test— A flange test shall be made on each end of
3.1.3 Size (outside diameter minimum or average wall
one tube per lot.
thickness),
6.4 Nondestructive Test Requirements:
3.1.4 Length (random or specific),
6.4.1 Class 1—Each piece in each lot shall be subject to one
3.1.5 Class,
of the following four tests: hydrostatic, pneumatic (air under-
3.1.6 ASTM designation,
water), eddy current, or ultrasonic.
3.1.7 Product Analysis— State if required,
6.4.2 Class 2—Each piece in each lot shall be subjected to
a leak test and an electric test as follows:
This specification
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