ASTM B870-02

Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions Alloys (UNS Nos. C17500 and C17510)

SCOPE
1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified:Copper Alloy UNS No.Nominal Composition, %BerylliumCobaltNickelC175000.592.6C175100.401.8
1.2 Units—The values stated in inch-pound units are standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.
1.3 The following safety hazard caveat pertains to Sections 10 and 11 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-Oct-2002
• ICS: 77.120.30 - Copper and copper alloys
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.02 - Rod, Bar, Wire, Shapes and Forgings

Relations

• Replaces: ASTM B870-96 - Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions Alloys C17500 and C17510
• Effective Date: 10-Oct-2002
• Replaced By: ASTM B870-08 - Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions Alloys (UNS Nos. C17500 and C17510)
• Effective Date: 01-Apr-2008
• Referred By: ASTM B249/B249M-22 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 10-Oct-2002

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: B 870 – 02
Standard Specification for
Copper-Beryllium Alloy Forgings and Extrusions Alloys
1
(UNS Nos. C17500 and C17510)
This standard is issued under the fixed designation B 870; 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.
1. Scope * E 1004 Practice for Determining Electrical Conductivity
5
Using the Electromagnetic (Eddy-Current) Method
1.1 This specification establishes the requirements for
copper-beryllium alloy forgings and extrusions. The following
3. General Requirements
alloys are specified:
3.1 The following sections of Specification B 249 form a
Copper Alloy Nominal Composition, %
part of this specification:
UNS No. Beryllium Cobalt Nickel
C17500 0.59 2.6
3.1.1 Material and Manufacture,
C17510 0.40 1.8
3.1.2 Sampling,
1.2 Units—The values stated in inch-pound units are stan- 3.1.3 Number of Tests and Retests,
dard. The values given in parentheses are mathematical con- 3.1.4 Specimen Preparation,
versions to SI units, which are provided for information only 3.1.5 Significance of Numerical Limits,
and are not considered standard. 3.1.6 Inspection,
1.3 The following safety hazard caveat pertains to Sections 3.1.7 Rejection and Rehearing,
10 and 11 of this specification: This standard does not purport 3.1.8 Certification,
to address all of the safety concerns, if any, associated with its 3.1.9 Test Reports, and
use. It is the responsibility of the user of this standard to 3.1.10 Packaging and Package Marking.
establish appropriate safety and health practices and deter-
4. Terminology
mine the applicability of regulatory limitations prior to use.
4.1
2. Referenced Documents
4.1.1 For definitions of terms related to copper and copper
2.1 ASTM Standards: alloys, see Terminology B 846.
B 194 Specification for Copper-Beryllium Alloy Plate, 4.2 Definitions of Terms Specific to This Standard:
2
Sheet, Strip, and Rolled Bar 4.2.1 extrusion, n—a uniform metal shape, long in relation
B 249 Specification for General Requirements for Wrought to its cross-sectional dimensions, produced by forcing a suit-
2
CopperandCopper-AlloyRod,Bar,Shapes,andForgings ably preheated billet or pre-formed shape through an orifice
B 441 Specification for Copper-Cobalt-Beryllium (UNS (die) of the desired cross section.
No. C17500) and Copper-Nickel Beryllium (UNS No. 4.2.2 forging, n—a metal part worked to a predetermined
2
C17510) Rod and Bar shape by one or more such processes as hammering, upsetting,
B 601 Classification for Temper Designations for Copper pressing, rolling, and so forth.
2
and Copper Alloys-Wrought and Cast
NOTE 1—Forged and extruded shapes in the context of this specifica-
2
B 846 Terminology for Copper and Copper Alloys
tion are generally construed to be large section products; round, oval, half
3
E 8 Test Methods forTensionTesting of Metallic Materials
round, geometric custom-ordered cross-sections, and asymmetrical metal
E 18 Test Methods for Rockwell Hardness and Rockwell
shapes. This is to generally differentiate products supplied according to
3
this document as opposed to forged and extruded “Rod and Bar” in
Superficial Hardness of Metallic Materials
4
Specification B 441.
E 527 Practice for Numbering Metals and Alloys (UNS)
5. Ordering Information
5.1 Include the following information in orders for product:
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
5.1.1 ASTM designation and year of issue,
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
5.1.2 Copper Alloy UNS No. (Section 1),
Bar, Wire, Shapes and Forgings.
Current edition approved Oct. 10, 2002. Published December 2002. Originally
5.1.3 Temper (Section 8) or condition (Section 11),
approved in 1996. Last previous edition approved in 1996 as B 870 - 96.
2
Annual Book of ASTM Standards, Vol 02.01.
3
Annual Book of ASTM Standards, Vol 03.01.
4 5
Annual Book of ASTM Standards, Vol 01.01. Annual Book of ASTM Standards, Vol 03.03.
*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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B870–02
5.1.4 Drawing, when required, and 8. Temper
5.1.5 Quantity: number of pieces or pounds.
8.1 The standard temper designations available under this
specification and as prescribed in Classification B 601 are
5.2 The following requirements are optional under this
solution heat treated TB00 (A) and precipitation heat treated
specification and shall be included in the contract or purchase
TF00 (AT).
order, when specified.
5.2.1 Te
...