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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Site by Infinity Arts. One is to be tested in the as-sampled condition, and one in the precipitation ashm condition. The material for manufacture shall be cast and worked to such purity and soundness as to be suitable for processing by hot working, cold working, and annealing to produce a uniform wrought structure and specified temper in the finished product.

The machinability rating of this alloy is The tension test should not be made except when indicated by the purchaser. Combining values from the two systems may result in nonconformance with the speci? ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

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

C can develop more than ksi MPa tensile strength. Precipitation Heat Treatment 9. Beryllium Copper, C Chemistry Data: Originally approved in to replace portions of B — 41 T. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.


Beryllium Copper Bar Future Metals is the premier source of high quality beryllium copper round bar. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

This was corrected to the proper 10 — 25 incl. 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.

Approved April 1, Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. This specification establishes the requirements for rods and bars in straight lengths of copper-beryllium alloys with Copper Alloy UNS Nos.

Where Alloy FC Brass is This abstract is a brief summary of the referenced standard. Within the text, the SI units are shown in brackets. NOTE 1—Mechanical property data determined on other than round cross sections, for sizes under 0. The recommended hot working temperature for astk alloy is between F.

ASTM B / BM – 18 Standard Specification for Copper-Beryllium Alloy Rod and Bar

C, C, and C Within the text, the SI units are shown in brackets. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Electrical Resistivity microhm-cm at 68 Deg F. The following three alloys are included: Products shall be available in the following tempers: Workmanship, Finish and Appearance Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional diameter, length, straightness, and edge contourmechanical tensile and yield strength, Rockwell hardness, and elongationand chemical composition requirements.

Number of Tests and Retests Astk values from the two systems may result in nonconformance with the specification. Now offering hollows upon request.

Please contact us to check availability. These products meet property requirements in Table 3 ast, normally require no further heat treatment by the user. 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 bb196 world.

The capacity for cold asgm this alloy is rated as “excellent”. Full cross section or machined specimens shall be as speci? Solution heat treated A Hard H all sizes up to 3? ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Current edition approved April 1, 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.