ASTM B739-03(2023)
(Specification)Standard Specification for Nickel-Iron-Chromium-Silicon Alloy Welded Tube
Standard Specification for Nickel-Iron-Chromium-Silicon Alloy Welded Tube
ABSTRACT
This specification covers the standard for welded tube UNS N08330 and UNS N08332 alloys intended for use in heat resisting applications and general corrosive service. The tubes shall be manufactured from flat-rolled alloy by an automatic welding process with no addition of filler metal. The tubes shall also undergo cold-working subsequent to welding and prior to final heat treatment. Material properties such as yield strength, tensile strength, elongation, and hardness and other requirements such as grain size and annealing temperature shall all be evaluated.
SCOPE
1.1 This specification covers alloys UNS N08330 and UNS N08332 in the form of welded tube intended for heat resisting applications and general corrosive service.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.
1.4 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.
General Information
Relations
Standards Content (Sample)
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: B739 − 03 (Reapproved 2023)
Standard Specification for
Nickel-Iron-Chromium-Silicon Alloy Welded Tube
This standard is issued under the fixed designation B739; 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 4. Ordering Information
1.1 This specification covers alloys UNS N08330 and UNS 4.1 It is the responsibility of the purchaser to specify all
N08332 in the form of welded tube intended for heat resisting requirements that are necessary for material ordered under this
applications and general corrosive service.
specification. Examples of such requirements include, but are
not limited to, the following:
1.2 The values stated in inch-pound units are to be regarded
4.1.1 Alloy (Table 1),
as standard. The values given in parentheses are mathematical
4.1.2 ASTM designation and year of issue,
conversions to SI units that are provided for information only
4.1.3 Dimensions (outside or inside diameter and nominal
and are not considered standard.
wall thickness),
1.3 This standard does not purport to address all of the
4.1.4 Length (specific or random),
safety concerns, if any, associated with its use. It is the
4.1.5 Quantity (feet or number of pieces),
responsibility of the user of this standard to become familiar
4.1.6 Certification—State if certification is required,
with all hazards including those identified in the appropriate
4.1.7 Samples for Product (Check) Analysis—State whether
Safety Data Sheet (SDS) for this product/material as provided
samples for product (check) analysis should be furnished, and
by the manufacturer, to establish appropriate safety, health,
4.1.8 Purchaser Inspection—If purchaser wishes to witness
and environmental practices, and determine the applicability
tests or inspection of material at place of manufacture, the
of regulatory limitations prior to use.
purchase order must so state indicating which tests or inspec-
1.4 This international standard was developed in accor-
tions are to be witnessed.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5. Materials and Manufacture
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
5.1 The tube shall be made from flat-rolled alloy conform-
Barriers to Trade (TBT) Committee.
ing to Specification B536, by an automatic welding process
with no addition of filler metal. Subsequent to welding and
2. Referenced Documents
prior to final heat treatment, the tube shall be cold-worked
2.1 ASTM Standards:
either in both weld and base metal or in weld metal only.
B536 Specification for Nickel-Iron-Chromium-Silicon Al-
loys Plate, Sheet, and Strip
6. Chemical Composition
B751 Specification for General Requirements for Nickel and
6.1 The material shall conform to the requirements, as to
Nickel Alloy Welded Tube
chemical composition specified in Table 2.
3. General Requirement
6.2 If a product (check) analysis is performed by the
3.1 Material furnished under this specification shall con-
purchaser, the material shall conform to the product (check)
form to the applicable requireme
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