ASTM B722-06
(Specification)Standard Specification for Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon Alloy (UNS N06333) Seamless Pipe and Tube
Standard Specification for Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon Alloy (UNS N06333) Seamless Pipe and Tube
ABSTRACT
This specification covers hot or cold-finished seamless pipes made from NUS N06333 alloy that is intended for heat and corrosion resistance applications. The chemical composition, dimensions and mechanical properties for the welded pipes should be in accordance with those contained in this document and other ASTM documents specified herein.
SCOPE
1.1 This specification covers alloy N06333 in the form of hot-finished and cold-finished seamless pipe and tube intended for heat-resisting applications and general corrosive service. The general requirements for pipe and tube are covered in Specification B 829.
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.
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.
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Designation: B722 – 06
Standard Specification for
Nickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-Silicon
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Alloy (UNS N06333) Seamless Pipe and Tube
This standard is issued under the fixed designation B722; 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.
TABLE 1 Mechanical Properties
1. Scope*
Elonga-
1.1 This specification covers alloy N06333 in the form of
Tensile Yield Strength, tionin2
hot-finished and cold-finished seamless pipe and tube intended A
Strength, min 0.2 % offset, in.or50 Hardness
for heat-resisting applications and general corrosive service. psi (MPa) min psi (MPa) mm, or
4D, min. %
The general requirements for pipe and tube are covered in
80 000 (551) 35 000 (241) 30 75 to 95
Specification B829.
HRB
1.2 The values stated in inch-pound units are to be regarded A
Hardness values are informative only and not to be construed as the basis for
as the standard. The values given in parentheses are for
acceptance.
information only.
1.3 This standard does not purport to address all of the
4.1.1 Alloy name or UNS number.
safety concerns, if any, associated with its use. It is the
4.1.2 ASTM designation and year of issue.
responsibility of the user of this standard to become familiar
4.1.3 Quantity (feet or number of pieces).
with all hazards including those identified in the appropriate
4.1.4 Dimensions:
Material Safety Data Sheet (MSDS) for this product/material
4.1.4.1 Pipe size.
as provided by the manufacturer, to establish appropriate
4.1.4.2 Tube dimensions (outside or inside diameter and
safety and health practices, and determine the applicability of
nominal wall thickness).
regulatory limitations prior to use.
4.1.4.3 Length (specific or random).
4.1.5 Hydrostatic Test or Nondestructive Electric Test—
2. Referenced Documents
Specify type of test (see 5.2).
2
2.1 ASTM Standards:
4.1.6 Certification—State if certification is required.
B829 Specification for General Requirements for Nickel
4.1.7 Samples for Product (Check) Analysis—State whether
and Nickel Alloys Seamless Pipe and Tube
samples for product (check) analysis should be furnished.
4.1.8 Purchaser Inspection—If purchaser wishes to witness
3. General Requirement
tests or inspection of material at place of manufacture, the
3.1 Material furnished under this specification shall con-
purchase order must so state indicating which tests or inspec-
form to the applicable requirements of Specification B829
tions are to be witnessed.
unless otherwise provided herein.
5. Mechanical and Other Requirements
4. Ordering Information
5.1 Tension Test—The mechanical properties of the material
4.1 It is the responsibility of the purchaser to specify all
at room temperature shall conform to those shown in Table 1.
requirements that are necessary for material ordered under this
The sampling and specimen preparation are covered in Speci-
specification. Examples of such requirements include but are
fication B829.
not limited to the following:
5.2 Hydrostatic or Nondestructive Electric Test—Each pipe
or tube shall be subjected to either the hydrostatic test or to the
1
This specification is under the jurisdiction of ASTM Committee B02 on
nondestructive electric test. The type of test to be used shall be
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
at the option of the manufacturer, unless otherwise specified in
B02.07 on Refined Nickel and Cobalt and Their Alloys.
the purchase order.
Current edition approved Dec. 1, 2006. Published January 2007. Originally
approved in 1983. Last previous edition approved in 2002 as B722 - 02. DOI:
6. Dimensions and Permissible Variations
10.1520/B0722-06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.1 The requirements of Specification B829 will apply
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
except for hot-finished pipe and tube dimensional requirements
Standards volume information, refer to the standard’s Document Summary page on
shown in Table 2.
the ASTM website.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B722 – 06
TABLE 2 Permissible Variations for Outside Diameter and Wall Thickness of Hot-Finished Pipe and Tube
NOTE 1—Ovality—For tube 5 in. (127 mm) and under in outside diameter the tolerance on the outside diameter applies for individual measurements
and includes ovality. For tube over 5 in. (127 mm) in outside diameter, the mean outsi
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