ASTM B815-02

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Designation: B 815 – 02
Standard Specification for
Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy
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(UNS R31233) Rod
This standard is issued under the fixed designation B 815; 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.
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1. Scope Determine Conformance with Specifications
2 E 55 Practice for SamplingWrought Nonferrous Metals and
1.1 This specification covers cobalt-chromium-nickel-
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Alloys for Determination of Chemical Composition
molybdenum-tungsten alloy UNS R31233 in the form of rod
E 1473 Test Methods for Chemical Analysis of Nickel,
for wear applications and general corrosion service.
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Cobalt, and High-Temperature Alloys
1.2 The following products are covered under this specifi-
cation:
3. Terminology
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1.2.1 Rods ⁄16 to ⁄4 in. (9.76 to 19.05 mm) exclusive in
3.1 Definitions of Terms Specific to This Standard:
diameter, hot or cold finished, solution-annealed, and pickled
3.1.1 rod—product of round solid section furnished in
or mechanically descaled; and
straight lengths.
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1.2.2 Rods ⁄4 to 3 ⁄2 in. (19.05 to 88.9 mm) inclusive in
diameter, hot or cold finished, solution annealed, ground, or
4. Ordering Information
turned.
4.1 It is the responsibility of the purchaser to specify all
1.3 The values stated in inch-pound units are to be regarded
requirements that are necessary for material ordered under this
as the standard. The values given in parentheses are for
specification. Examples of such requirements include, but are
information only.
not limited to, the following:
1.4 This standard does not purport to address all of the
4.1.1 Alloy.
safety concerns, if any, associated with its use. It is the
4.1.2 Dimensions—Nominal diameter and length. The
responsibility of the user of this standard to become familiar
shortest usable multiple length shall be specified (Table 1).
with all hazards including those identified in the appropriate
4.1.3 Certification— State whether certification or a report
Material Safety Data Sheet for this product/material as pro-
of test results is required (Section 15).
vided by the manufacturer, to establish appropriate safety and
4.1.4 Purchaser Inspection—State which tests or inspec-
health practices, and determine the applicability of regulatory
tions are to be witnessed (Section 13).
limitations prior to use.
4.1.5 Samples for Product (Check) Analysis—State whether
samples should be furnished (9.2.2).
2. Referenced Documents
2.1 ASTM Standards:
5. Chemical Composition
B 880 Specification for General Requirements for Chemical
5.1 The material shall conform to the chemical composition
Analysis Limits for Nickel, Nickel Alloys and Cobalt
3 requirements prescribed in Table 2.
Alloys
5.2 If a product (check) analysis is made by the purchaser,
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E 8 Test Methods forTensionTesting of Metallic Materials
the material shall conform to the requirements specified in
E 29 Practice for Using Significant Digits in Test Data to
Table 2 subject to the permissible tolerances given in Specifi-
cation B 880.
6. Mechanical Properties and Other Requirements
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This specification is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
6.1 The mechanical properties of the material at room
B02.07 on Refined Nickel and Cobalt and Their Alloys.
temperature shall conform to those given in Table 3.
Current edition approved Oct. 10, 2002. Published December 2002. Originally
published as B 815 – 91. Last previous edition B 815 – 97.
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For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
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cation SB-815 in Section II of that code. Annual Book of ASTM Standards, Vol 14.02.
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Annual Book of ASTM Standards, Vol 02.04. Annual Book of ASTM Standards, Vol 03.05.
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Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 03.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B815–02
TABLE 1 Permissible Variations in Length of Rods
7.4.2 The permissible variations in length of multiple,
Random mill lengths 2 to 12 ft (610 to 3660 mm) long with not more than nominal, or cut length rod shall be as prescribed in Table 1.
25 weight % under 4 ft (1.22 m).
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Where rods are ordered in multiple lengths, a ⁄4-in. (6.35-mm)
Multiple lengths Furnished in multiples of a specified unit length,
length addition shall be permitted for each uncut multiple
within the length limits indicated above. For
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each multiple, an allowance of ⁄4 in. (6.35 mm) length.
shall be made for cutting, unle
...