This standard is issued under the fixed designation B ; the 1 This test method is under the jurisdiction of ASTM Committee B05 on Copper. Designation: B – 95AMERICAN SOCIETY FOR TESTING AND West Conshohocken, PA Reprinted from the Annual Book of ASTM Standards. ASTM B pdf – Download as PDF File .pdf), Text File .txt) or read online .

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B Practice for Temper Designations for Copper and 4. Wipe off any excess mercury from the surface of the specimen. This test method is intended to cover the mercurous nitrate test of certain copper-alloy products supplied in accordance with ASTM speci?

Conform- Over 3 to 12 Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Remember me on this computer. This standard has been approved for use by agencies of the Department of Defense. Note 3 — This test method is considered historically reliable for determining the potential state of residual stress in copper alloys, but not promoted for use due to the hazards relating to mercury use and environmentally appropriate disposal.


This test method is not intended for assemblies under applied stress. Test Methods the producer or supplier shall be responsible only for replace- ment of the material to the purchaser.

Grain Size Requirements castings into wrought products, it is not always practical to identify a specific casting analysis with a specific quantity of finished material. Up to 20 4 1 2 1 20 to 40 8 2 4 2 40 to 60 12 3 6 3 60 to 80 16 4 8 4 80 to 20 5 10 5 responsibility of the reporting laboratory.

Lead E AA Property Rounded Unit for Observed Values of R and X for a litre volume are given in Table 1. Add the water in small portions while stirring to prevent local overdilution. Warning—The mercurous nitrate crystals are obtainable in both the monohydrate and dihydrate form and should be handled with caution because of their highly toxic effects.

ASTM B铜和铜合金的硝酸亚汞试验法_百度文库

Summary of Test Method 4. Log In Sign Up. In the event that a test specimen size is not prescribed in a given rod, wire, or tube speci? In such case, the nature IV OS 0.

ASTM B154 – 16

Warning— Care should be exercised when handling and mixing chemicals. This gradual dilution, together with the excess acid, will prevent precipitation of basic salts of mercury. Required properties for other tempers 5.

This provides a concentration of g of HgNO3 after a slight loss due to heating. Sampling shall not exceed the specified thickness by more than 0. Last previous edition B — 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.


Inspection Grain Size, mm Repeat this procedure with 50 mL of a standard 1 weight per volume percent of HgNO3 solution. The use of rubber gloves in testing is advisable. Certification method of Practice E Historical Version s – view previous versions of standard.

Then titrate the solution with 0. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determines the applicability of regulatory limitations prior to use. B 19 — 01 Standard Specification for Cartridge Brass Sheet, Strip, Plate, Bar, and N154 This standard is issued under the fixed designation B 19; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

SI values given in Fed. Caution should be taken when handling mercury and mercury containing products.