Wire. Tolerance. (inches). Specifications. Brush. UNS. Alloy. Number. Wire. ASTM B QQ-C C AMS SAE J , ASTM B M The following alloys meet the ASTM-B standard. Select an alloy for product specifications: C Copper Alloy C is the most commonly specified. Optimum Spring manufactures extension, torsion and compression springs with Beryllium Copper – ASTM B – Spring Wire Properties.

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Within the text, zstm SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Products shall be sampled and prepared, then tested accordingly to examine b1997 conformance to dimensional diameter, thickness, length, width, and straightnessmechanical tensile and bend strength, Rockwell hardness, and elongationphysical grain size and countand chemical composition requirements.

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C and C asttm included. Add to Alert PDF. Combining values from the two systems may result in nonconformance with the specification. Combining values from the two systems may result in nonconformance with the specification. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.

We have no amendments or corrections for this standard. Proceed to Checkout Continue Shopping. It is conveniently supplied to the same temper ranges as mill hardened strip although produced by a different process. Since the temper comes from cold work, the tempered wire spring is not useable at as high a temperature as heat treated Beryllium Copper.

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Subscription pricing is determined by: Beryllium Copper Flat Wire is supplied with either round or square edges. Already Subscribed to this document.

Tempered, Alloy 25 (C17200)

Need more than one copy? You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. 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.

If the document is revised or amended, you will be notified by email. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. As the voice of the U. C and C wires in coils, spools, or other forms except straight lengths, of any uniform cross section. Combining values from the two systems may result in nonconformance with the specification.

Standards Subsctiption may be the perfect solution. Springs are free of heat-treat distortion, giving close tolerance without expensive fixtures. Spring Coilers without heat treat facilities can supply Beryllium Copper springs.

ASTM B/BM() – Standard Specification for Copper-Beryllium Alloy Wire

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Pretensioned extension aetm can be wound, which is not possible with heat treatable Beryllium Copper. Already Subscribed to this document.

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This standard is also available to be included in Standards Subscriptions. 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. Products shall be available in the following tempers: As the voice of the U. Tempered Beryllium Copper was developed by Little Falls Alloys to supply the springs industry with a Beryllium Copper wire that could be used on conventional coiling equipment to provide springs to close tolerance without the necessity of heat treatment.

Add to Alert PDF. Tempered, Alloy 25 C It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Within the text, the SI units are shown in brackets. Within the text, the SI units are shown in brackets. Springs are not discolored by heat treatment, thus require no pickling and cleaning.

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