ASTM B814-06(2011)
(Specification)Standard Specification for Nickel-Chromium-Iron-Molybdenum-Tungsten Alloy (UNS N06920) Plate, Sheet, and Strip
Standard Specification for Nickel-Chromium-Iron-Molybdenum-Tungsten Alloy (UNS N06920) Plate, Sheet, and Strip
ABSTRACT
This specification covers the requirements for UNS N06920 nickel-chromium-iron-molybdenum-tungsten alloy in the form of rolled plates, sheets and strips for general corrosion service. The range of products covered here includes brightly finished hot or cold rolled, annealed and descaled unless solution-annealed sheets and strips and hot rolled, solution-annealed, and descaled plates.
SCOPE
1.1 This specification covers nickel-chromium-iron-molybdenum-tungsten alloy UNS N06920 in the form of rolled plate, sheet, and strip for general corrosion service.
1.2 The following products are covered under this specification:
1.2.1 Sheet and Strip—Hot or cold rolled, annealed and descaled unless solution-annealing is performed in an atmosphere yielding a bright finish; and
1.2.2 Plate—Hot rolled, solution-annealed, and descaled.
1.3 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..
1.4 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 heal practices, and determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
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Designation:B814 −06(Reapproved 2011)
Standard Specification for
Nickel-Chromium-Iron-Molybdenum-Tungsten Alloy
(UNS N06920) Plate, Sheet, and Strip
This standard is issued under the fixed designation B814; 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 3.1.2 sheet and strip, n—material under ⁄16 in. (4.76 mm) in
thickness.
1.1 This specification covers nickel-chromium-iron-
molybdenum-tungsten alloy UNS N06920 in the form of rolled
4. General Requirements
plate, sheet, and strip for general corrosion service.
4.1 Materials furnished under this specification shall con-
1.2 The following products are covered under this specifi-
form to the applicable requirements of Specification B906
cation:
unless otherwise provided herein.
1.2.1 Sheet and Strip—Hot or cold rolled, annealed and
descaled unless solution-annealing is performed in an atmo-
5. Ordering Information
sphere yielding a bright finish; and
5.1 It is the responsibility of the purchaser to specify all
1.2.2 Plate—Hot rolled, solution-annealed, and descaled.
requirements that are necessary for the safe and satisfactory
1.3 The values stated in inch-pound units are to be regarded performance of material ordered to this specification. Ex-
as standard. The values given in parentheses are mathematical
amples of such requirements include, but are not limited to, the
conversions to SI units that are provided for information only following:
and are not considered standard.
5.1.1 Alloy.
5.1.2 Dimensions—Thickness (in decimals of an inch),
1.4 This standard does not purport to address all of the
width, and length (inch or fraction of an inch).
safety concerns, if any, associated with its use. It is the
5.1.3 Certification—State whether a report of test results is
responsibility of the user of this standard to become familiar
required (Specification B906).
with all hazards including those identified in the appropriate
5.1.4 Optional Requirement—Plate; state how the plate is to
Material Safety Data Sheet (MSDS) for this product/material
be cut (see 8.8.1 and Specification B906, Table A2.3).
as provided by the manufacturer, to establish appropriate
5.1.5 Purchase Inspection—State which tests or inspections
safety and heal practices, and determine the applicability of
are to be witnessed (Specification B906).
regulatory limitations prior to use.
5.1.6 Samples for Product (Check) Analysis—State whether
2. Referenced Documents samples shall be furnished (Specification B906).
2.1 ASTM Standards:
6. Chemical Composition
B906 Specification for General Requirements for Flat-
6.1 The material shall conform to the chemical composition
Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
requirements prescribed in Table 1.
3. Terminology
6.2 If a product (check) analysis is made by the purchaser,
3.1 Definitions of Terms Specific to This Standard:
the material shall conform to the product (check) analysis
3.1.1 plate, n—material ⁄16 in. (4.76 mm) and over in variations in accordance with Specification B906.
thickness.
7. Mechanical Properties and Other Requirements
7.1 Tensile Properties—The material shall conform to the
This specification is under the jurisdiction of ASTM Committee B02 on
room temperature tensile properties prescribed in Table 2.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved June 1, 2011. Published June 2011. Originally 8. Dimensions, Mass, and Permissible Variations
approved in 1991. Last previous edition approved in 2006 as B814 – 06. DOI:
8.1 For the purposes of calculating the weight of the
10.1520/B0814-06R11.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or material covered by this specification, a density of 0.303 lb/in.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
(8.39 g/cm ) shall be used.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 8.2 Thickness:
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B814−06 (2011)
TABLE 1 Chemical Requirements
8.4.1 Plate—Permissible variations in the length of rectan-
Element Composition Limits, % gular plate shall be as prescribed in Specification B906
Table A2.3.
Chromium 20.5–23.0
8.4.2 Sheet and Strip—Sheet and strip may be ordered to cut
Iron 17.0–20.0
lengths, in which case a variation of ⁄8 in. (3.175 mm) over the
Molybdenum 8.0–10.0
Tungsten 1.0–3.0 specified length shall be permitted, with a 0 minus tolerance.
Carbon, max 0.03
8.5 Straightness:
Cobalt, max 5.0
Manganese, max 1.0
8.5.1 The edgewise curvature (depth of chord) of flat sheet,
Phosphorus, max 0.040
strip, and pla
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