GOST 6836-2002

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  ГОСТ 6836-2002

GOST 6836−2002 Silver and alloys on its basis. Brand

GOST 6836−2002

Group W51

INTERSTATE STANDARD

SILVER AND ALLOYS ON ITS BASIS
Brand

Silver and silver base alloys. Marks

ISS 77.120.99
AXTU 1708

Date of introduction 2003−07−01

Preface

1 DEVELOPED by the Interstate technical Committee for standardization MTK 304 «Noble metals, alloys and industrial products thereof», the Ekaterinburg factory on processing of nonferrous metals

INTRODUCED by Gosstandart of Russia

2 ADOPTED by the Interstate Council for standardization, Metrology and certification (Protocol No. 6 dated August 1, 2002, by correspondence)

The adoption voted:

3 Resolution of the State Committee of the Russian Federation on standardization and Metrology from September 30, 2002 N 360, interstate standard GOST 6836−80* introduced directly as state standard of the Russian Federation from July 1, 2003
_____________
* The text matches the original. — Note the manufacturer’s database.

4 REPLACE GOST 6836−80

5 EDITION (June 2006), amended (ICS 5−2003)

1 Scope

This standard specifies the brand of silver-based alloys intended for manufacture of technical products, including semi-finished products in the form of sheets, tapes, strips, foils, wire, pipes, profiles, castings etc.

2 Normative references

The present standard features references to the following standards:

GOST 12555.1−83 Alloys, silver-platinum. Method for the determination of silver

GOST 12555.2−83 Alloys, silver-platinum. Method of spectral analysis

GOST 12558.1−78 Alloys palladium-silver. Method for the determination of silver

GOST 12558.2−78 Alloys palladium-silver. Method of spectral analysis

GOST 12561.1−78 Alloys palladium-silver-copper. Method for the determination of copper and silver

GOST 12561.2−78 Alloys palladium-silver-copper. Method of spectral analysis

GOST 16321.1−70 Alloy silver-copper. Method of determining mass percentage of silver

GOST 16321.2−70 Alloy silver-copper. Method of spectral analysis

GOST 22864−83 precious metals and their alloys. General requirements for methods of analysis

GOST 28353.0−89 Silver. General requirements for methods of analysis

GOST 28353.1−89 Silver. Method of atomic-emission analysis

GOST 28353.2−89 Silver. Method of atomic-emission analysis with inductive plasma

GOST 28353.3−89 Silver. Method of atomic-absorption analysis

3 Symbols and abbreviations

3.1 In the standard, the following symbols for of grades and abbreviations: SR — silver PL — platinum, PD — palladium, M — copper, OST. — the rest.

3.2 Name of grades composed of letters that represent the components of the alloy, followed by numbers indicating the nominal content of the component (components) of the noble metal in the alloy (in percent).

4 Technical requirements

4.1 Chemical composition of silver-based alloys shall meet the requirements of tables 1−5.


Table 1 — Chemical composition of silver

Table 2 — Chemical composition of silver-copper alloys

Table 3 — Chemical composition silver-platinum alloys

Table 4 — Chemical composition silver-palladium alloys

Table 5 — Chemical composition silver-palladium-copper alloys

4.2 Chemical composition determines:

— silver — 28353.0 GOST — GOST 28353.3;

— alloys based on silver — GOST 12555.1, 12555.2 GOST, GOST 12558.1, 12558.2 GOST, GOST 12561.1, 12561.2 GOST, GOST 16321.1, 16321.2 GOST, GOST 22864 or other methods, certified in the prescribed manner and providing the requirements of this standard.

4.3 Properties of silver and alloys, as well as recommendations for their use are given in appendices A and B.

Annex a (informative). The estimated density and the melting point of silver and alloys on its basis

APPENDIX A
(reference)

Table A. 1

ANNEX B (reference). Recommendations for the use of silver-based alloys

APPENDIX B
(reference)

Table B. 1