ASTM B726-02(2006)
(Specification)Standard Specification for Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon Alloy (UNS N06333) Welded Tube
Standard Specification for Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon Alloy (UNS N06333) Welded Tube
ABSTRACT
This specification covers UNS N06333 alloy welded tubes intended for heat-resisting applications and general corrosive service. Each tube should be made from the flat-rolled alloy by an automatic welding process without any filler metal additions and subsequently furnished annealed with the oxide removed. Descaling is not necessary when the final heat treatment is performed in a protective atmosphere. A flattening test and a flange test will be performed on each end of one tube per lot.
SCOPE
1.1 This specification covers alloy UNS N06333 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 the standard. The values given in parentheses are for information only.
1.3 The following precautionary statement pertains only to the test methods portion, Section 13, of this specification: 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 Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B726 – 02 (Reapproved 2006)
Standard Specification for
Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon
Alloy (UNS N06333) Welded Tube
This standard is issued under the fixed designation B726; 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 specification. Examples of such requirements include, but are
not limited to, the following:
1.1 This specification covers alloy UNS N06333 in the form
4.1.1 Alloy or UNS number,
of welded tube intended for heat-resisting applications and
4.1.2 ASTM designation and date of issue,
general corrosive service.
4.1.3 Dimensions (outside or inside diameter and nominal-
1.2 The values stated in inch-pound units are to be regarded
wall thickness),
as the standard. The values given in parentheses are for
4.1.4 Length (specific or random),
information only.
4.1.5 Quantity (feet or number of pieces),
1.3 The following precautionary statement pertains only to
4.1.6 Certification—State if certification is required,
the test methods portion, Section 13, of this specification: This
4.1.7 Samples for Product (Check) Analysis—State whether
standard does not purport to address all of the safety concerns,
samples should be furnished, and
if any, associated with its use. It is the responsibility of the user
4.1.8 Purchaser Inspection—If purchaser wishes to witness
of this standard to become familiar with all hazards including
tests or inspection of material at place of manufacture, the
those identified in the appropriate Material Safety Data Sheet
purchase order must so state indicating which tests or inspec-
(MSDS) for this product/material as provided by the manufac-
tions are to be witnessed.
turer, to establish appropriate safety and health practices, and
determine the applicability of regulatory limitations prior to
5. Materials and Manufacture
use.
5.1 The tube shall be made from flat-rolled alloy conform-
2. Referenced Documents ing to Specification B718, by an automatic welding process
with no addition of filler metal.
2.1 ASTM Standards:
5.2 Tube shall be furnished annealed after welding, with
B718 Specification for Nickel-Chromium-Molybdenum-
oxide removed. When the final heat treatment is performed in
Cobalt-Tungsten-Iron-Silicon Alloy (UNS N06333) Plate,
a protective atmosphere, descaling is not necessary.
Sheet, and Strip
B751 Specification for General Requirements for Nickel
6. Chemical Composition
and Nickel Alloy Welded Tube
6.1 The material shall conform to the requirements as to
3. General Requirement chemical composition specified in Table 1.
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 requirements of Specification B751
analysis variations in Specification B751.
unless otherwise provided herein.
4. Ordering Information
TABLE 1 Chemical Requirements
4.1 It is the responsibility of the purchaser to specify all
Element Composition Limits, %
requirements that are necessary for material ordered to this
Carbon 0.10 max
Manganese 2.0 max
This specification is under the jurisdiction of ASTM Committee B02 on Phosphorus 0.03
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee Sulfur 0.03
Silicon 1.5 max
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Chromium 24.0 to 27.0
Current edition approved Dec. 1, 2006. Published December 2006. Originally
Nickel 44.0 to 48.0
approved in 1983. Last previous edition approved in 2002 as B726 – 02. DOI:
Molybdenum 2.5 to 4.0
10.1520/B0726-02R06.
2 Cobalt 2.5 to 4.0
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Tungsten 2.5 to 4.0
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
A
Iron remainder
Standards volume information, refer to the standard’s Document Summary page on
A
the ASTM website. Element may be determined arithmetically by difference.
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