ASTM B standard specification for copper beryllium alloy rod and bar – Designation: B /B The following alloys meet the ASTM-B standard. Select an alloy for product specifications: C Copper Alloy C is the most commonly specified. ASTM B, AMS , SAE J, RWMA CLASS IV. C is also known as Alloy 25 and is the most commonly utilized beryllium copper alloy and is notable .

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ASTM B standard specification for copper beryllium alloy rod and bar_百度文库

Now offering hollows upon request. Your comments will receive careful consideration at asstm meeting of the responsible technical committee, which you may attend. The following three alloys are included:.

Modulus of Elasticity Tension. Beryllium Copper Bar Future Metals is the premier source of high quality beryllium copper round bar. Full cross section or machined specimens shall be as speci?

The following three alloys are included: C The upper limits in the tensile strength column are for design guidance only. Electrical Resistivity microhm-cm at awtm Deg F.

Beryllium Copper Bar, Beryllium Copper Round Bar – Beryllium Round Copper Bar

The tensile strength requirements shall be prescribed in Table 2 and Table 3 after precipitation heat treatment in accordance with 8. This abstract is a brief summary of the referenced standard. C, C, and C If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Workmanship, Finish and Appearance Current edition approved April 1, Combining values from the two systems may result in nonconformance with the specification.


We specialize in beryllium bar, but offer an additional selection of beryllium copper bar in a variety of additional specifications and offer cut to length programs from our strategically located facilities around the world. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

C17300 Copper Alloys Material Property Data Sheet – Product availability and request a quote

Further thermal treatments of these tempers are not normally required. Work Item s – proposed revisions of this standard. NOTE 1—Mechanical property data determined on other than round cross sections, for sizes under 0. Originally approved in to replace portions of B — 41 T.

These special combinations of properties such as increased ductility, electrical conductivity, dimensional accuracy, endurance life, and resistance to elastic drift and hysteresis in springs, may be obtained by special precipitation-hardening heat treatments. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

The following three alloys are included: Link to Active This link will always route to the current Active version of the standard. Browse our extensive selection of beryllium copper round bar here or get in touch with a Future Metals professional for a personalized quote on your next beryllium copper bar order. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?


Within the text, the SI units are shown in brackets. Historical Version s – view previous versions of standard. Please contact us to check availability. The hot forgeability rating of this alloy is “not recommended”. The mechanical requirements of Table 3 do not apply to such special heat treatments. The values stated in each ast may not be exact equivalents; therefore, each system shall be used independently of the other. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Within the text, the SI units are shown in brackets.

This was corrected to the proper 10 — 25 incl. The capacity for cold working this alloy is rated as “excellent”. Our staff of industry professionals is available to help you meet your metals requirements. Precipitation Heat Treatment 9.

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