GOST 6835-2002
GOST 6835−2002 Gold and alloys on its basis. Stamps (Change No. 1)
GOST 6835−2002
Group W51
INTERSTATE STANDARD
GOLD AND ALLOYS ON ITS BASIS
Brand
Gold and gold 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:
| The name of the state |
The name of the national authority for standardization |
| The Republic Of Armenia |
Armastajad |
| The Republic Of Belarus |
Gosstandart Of The Republic Of Belarus |
| The Republic Of Kazakhstan |
Gosstandart Of The Republic Of Kazakhstan |
| The Kyrgyz Republic |
Kyrgyzstandard |
| The Republic Of Moldova |
Moldovastandart |
| Russian Federation |
Gosstandart Of Russia |
| The Republic Of Tajikistan |
Tajikstandart |
| Turkmenistan |
The MDCSU «Turkmenstandartlary» |
| Uzbekistan |
Uzstandard |
| Ukraine |
Gosstandart Of Ukraine |
3 Resolution of the State Committee of the Russian Federation on standardization and Metrology from September 30, 2002 N 359-St inter-state standard GOST 6835−80* enacted as state standard of the Russian Federation from July 1, 2003
_________________
* Consistent with the original. — Note the manufacturer’s database.
4 REPLACE GOST 6835−80
5 Change N 1 taken by the Interstate Council for standardization, Metrology and certification (Protocol No. 25 of may 26, 2004)
For the adoption of the changes voted by national standardization bodies of the following States: AM, BY, KZ, KG, MD, RU, TJ, TM, UZ, UA [codes alpha-2 at MK (ISO 3166) 004]
6 EDITION (July 2007) Change 1, approved in October 2004 (IUS N 1−2005)
1 Scope
This standard establishes the brand and gold-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 12562.1−82 Alloys gold-platinum. Method for the determination of gold
GOST 12562.2−82 Alloys gold-platinum. Methods of spectral analysis
GOST 12563.1−83 Alloys gold-palladium. Method for the determination of gold
GOST 12563.2−83 Alloys gold-palladium. Method of spectral analysis
GOST 12564.1−83 Alloys gold-palladium-platinum. Method for the determination of gold, palladium
GOST 12564.2−83 Alloys gold-palladium-platinum. Method of spectral analysis
GOST 17234−71 Gold alloys. The method of determining the mass fraction of gold and silver
GOST 17235−71 Gold alloys. Spectral method of determination of bismuth, antimony, lead and iron
GOST 22864−83 precious metals and their alloys. General requirements for methods of analysis
GOST 27973.0−88 Gold. General requirements for methods of analysis
GOST 27973.1−88 Gold. Methods of atomic-emission analysis
GOST 27973.2−88 Gold. Method of atomic-emission analysis with inductive plasma
GOST 27973.3−88 Gold. Method of atomic-absorption analysis
3 Symbols and abbreviations
3.1 In the standard, the following symbols for of grades and abbreviations: PLN — gold, SR — silver PL — platinum, PD — palladium, M — copper, Ni — Nickel, 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 gold and base alloys shall meet the requirements of tables 1−8.
Table 1 — Chemical composition of gold
| Mark | Mass fraction, % | |||||||
| Gold not less than |
Impurity, not more than | |||||||
| Lead | Iron | Antimony |
Bismuth | Copper |
Silver |
Just | ||
| 99,99 zł |
99,99 | 0,003 | 0,004 | 0,001 | 0,002 | 0,007 | 0,008 | 0,01 |
| The 99.9 PLN | 99,90 |
0,003 | 0,035 | 0,002 | 0,002 | 0,012 | 0,020 | 0,10 |
Table 2 — Chemical composition of gold-silver alloys
| Mark | Mass fraction, % | ||||||
| Components | Impurity, not more than | ||||||
| Gold | Silver | Lead | Iron | Antimony |
Bismuth | Just | |
| Slsr 99−1 |
98,7−99,3 | 0,7−1,3 | 0,003 | 0,05 | 0,005 | 0,005 | 0,10 |
| Slsr 75−25 |
74,7−75,3 | 24,7−25,3 | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Slsr 60−40 |
59,7−60,3 | 39,7−40,3 | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Slsr 58,3−41,7 |
58,0−58,6 | 41,4−42,0 | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
Table 3 — Chemical composition of the gold-silver-copper alloys
| Mark | Mass fraction, % | |||||||
| Components |
Impurity, not more than | |||||||
| Gold | Silver |
Copper | Lead | Iron | Antimony | Bismuth | Just | |
| Clsrm 99−0,5 |
98,7−99,3 | 0,3−0,7 | OST. | 0,003 | 0,05 | 0,003 | 0,003 | 0,06 |
| Clsrm 98−1,5 |
97,7−98,3 | 1,2−1,8 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 97−2 |
Of 96.7−97.3 per | 1,7−2,3 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 96−3 |
95,7−96,3 | 2,5−3,5 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm of 95.8−2 |
Of 95.5−96.1 the | 1,5−2,5 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 95−2,5 |
94,7 at 95.3 | 2.0 to 3.0 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 93−4,5 |
92,7−93,3 | 4,0−5,0 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 90−4 |
89,7−90,3 | 3,5−4,5 | OST. | 0,003 | 0,08 | 0,003 | 0,003 | 0,09 |
| Clsrm 75−12,5 |
74,7−75,3 | 12,0−13,0 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 58,5−8 |
58,2−58,8 | 7,5−8,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 58,5−20 |
58,2−58,8 | 19,5−20,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 58,5−30 |
58,2−58,8 | 29,5−30,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 50−10 |
49,7−50,3 | For 9.5−10.5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 50−20 |
49,7−50,3 | 19,5−20,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 37.5 is 2 |
37,2−37,8 | 1,5−2,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 37,5−10 |
37,2−37,8 | For 9.5−10.5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 37.5 is 16 |
37,2−37,8 | 15,5−16,5 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| Clsrm 33,3−33,3 | 33,0−33,6 | Of 32.8 to 33.8 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
Table 4 — Chemical composition of gold-copper alloys
| Mark | Mass fraction, % | ||||||
| Components | Impurity, not more than | ||||||
| Gold | Copper | Lead |
Iron | Antimony | Bismuth | Just | |
| HWP 98 |
97,7−98,3 | OST. | 0,005 | 0,10 | 0,005 | 0,005 | 0,11 |
| HWP 91,6 |
91.3 to 91.9 per | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| HWP 90 |
89,7−90,3 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
| HWP 58,3 |
58,0−58,6 | OST. | 0,005 | 0,15 | 0,005 | 0,005 | 0,16 |
Table 5 — Chemical composition of gold-Nickel alloys
| Mark | Mass fraction, % | ||||||
| Components | Impurity, not more than | ||||||
| Gold | Nickel | Lead |
Iron | Antimony | Bismuth | Just | |
| Zln 95 |
94,5−95,5 | OST. | 0,005 | 0,10 | 0,005 | 0,005 | 0,11 |
Table 6 — Chemical composition of gold-platinum alloys
| Mark | Mass fraction, % | |||||
| Components | Impurity, not more than | |||||
| Gold |
Platinum | Palladium, iridium, rhodium (amount) |
Iron | Lead | Just | |
| Slpl 98−2 | 97,7−98,3 |
1,7−2,3 | 0,08 | 0,03 | 0,003 | 0,11 |
| Slpl 95−5 | 94,7 at 95.3 |
For 4.7−5.3 | 0,08 | 0,03 | 0,003 | 0,11 |
| Slpl 93−7 | 92,6−93,4 |
6,6−7,4 | 0,08 | 0,03 | 0,003 | 0,11 |
| Slpl 90−10 |
89,6−90,4 |
9,6−10,4 | 0,08 | 0,03 | 0,003 | 0,11 |
Table 7 — Chemical composition of gold-palladium alloys
| Mark | Mass fraction, % | |||||
| Components | Impurity, not more than | |||||
| Gold |
Palladium | Platinum, iridium, rhodium (amount) |
Iron | Lead | Just | |
| Slpd 84−16 |
83,5−84,5 | 15,5−16,5 | 0,10 | 0,03 | 0,003 | 0,13 |
| Slpd 80−20 |
79,5−80,5 | 19,5−20,5 | 0,10 | 0,03 | 0,003 | 0,13 |
| Slpd 60−40 |
59,5−60,5 | 39,5−40,5 | 0,10 | 0,03 | 0,003 | 0,13 |
Table 8 — Chemical composition of gold-palladium-platinum alloys
| Mark | Mass fraction, % | ||||||
| Components | Impurity, not more than | ||||||
| Gold | Palladium |
Platinum | Iridium, rhodium (amount) |
Iron | Lead | Just | |
| Plplpl 60−30−10 |
59,4−60,6 | 29,5−30,5 | For 9.5−10.5 | 0,15 | 0,03 | 0,003 | 0,18 |
(Changed edition, Rev. N 1).
4.2 Chemical composition determines:
— gold — GOST 27973.0 — GOST 27973.3;
alloys based on gold — GOST 12562.1, 12562.2 GOST, GOST 12563.1, 12563.2 GOST, GOST 12564.1, 12564.2 GOST, GOST 17234, 17235 GOST, GOST 22864 or other methods, certified in the prescribed manner and providing the requirements of this standard.
4.3 Properties of gold 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 gold and of alloys on its basis
APPENDIX A
(reference)
Table A. 1
| Mark |
The calculated density, g/cm |
Melting point (range), °C |
| 99,99 Zł; PLN 99,9 |
19,30 | 1063 |
| Slsr 99−1 |
Of 19.14 | 1063 |
| Slsr 75−25 |
Of 15.96 | 1040−1045 |
| Slsr 60−40 |
14,45 | 1026−1029 |
| Slsr 58,3−41,7 |
14,30 | 1025−1030 |
| Clsrm 99−0,5 |
19,11 | 1047−1053 |
| Clsrm 98−1,5 |
18,95 | 1045−1050 |
| Clsrm 97−2 |
Of 18.77 | 1035−1047 |
| Clsrm 96−3 |
18,62 | 1030−1040 |
| Clsrm of 95.8−2 |
Of 18.52 | 1005−1030 |
| Clsrm 95−2,5 |
18,38 | 1001−1025 |
| Clsrm 93−4,5 |
18,09 | 998−1023 |
| Clsrm 90−4 |
17,50 | 965−995 |
| Clsrm 75−12,5 |
15,45 | 885−900 |
| Clsrm 58,5−8 |
Of 13.24 | 880−905 |
| Clsrm 58,5−20 |
13,60 | 830−845 |
| Clsrm 58,5−30 |
13,92 | 835−880 |
| Clsrm 50−10 |
12,47 | 862−880 |
| Clsrm 50−20 |
12,74 | 831−846 |
| Clsrm 37.5 is 2 |
11,24 | 965−985 |
| Clsrm 37,5−10 |
11,41 | 925−940 |
| Clsrm 37.5 is 16 |
11,54 | 880−900 |
| Clsrm 33,3−33,3 |
11,58 | 777−823 |
| HWP 98 |
18,86 | 1025−1050 |
| HWP 91,6 |
17,59 | 935−950 |
| HWP 90 |
Of 17.29 | 915−940 |
| HWP 58,3 |
Of 13.01 | 907−922 |
| Slpl 98−2 |
Of 19.34 | 1080−1100 |
| Slpl 95−5 |
19,40 | 1100−1130 |
| Slpl 93−7 |
19,44 | 1110−1160 |
| Slpl 90−10 |
19,50 | 1120−1200 |
| Slpd 84−16 |
17,64 | 1300−1325 |
| Slpd 80−20 |
17,27 | 1350−1375 |
| Slpd 60−40 |
15,63 | 1445−1452 |
| Plplpl 60−30−10 |
16,55 | 1458−1472 |
| Zln 95 |
18,24 | 990−1020 |
(Changed edition, Rev. N 1).
ANNEX B (reference). Recommendations for the use of gold and alloys on its basis
APPENDIX B
(reference)
Table B. 1
| Mark |
Approximate appointment |
| 99,99 Zł; PLN 99,9 |
Electrical conductors |
| Slsr 99−1 |
Electrical conductors, sliding contacts |
| Slsr 75−25 |
|
| Slsr 60−40 |
|
| Clsrm 99−0,5 |
|
| Clsrm 98−1,5 |
|
| Clsrm 97−2 |
|
| Clsrm 96−3 |
|
| Clsrm of 95.8−2 |
|
| Clsrm 95−2,5 |
|
| Clsrm 93−4,5 |
|
| Clsrm 75−12,5 |
|
| HWP 98 |
|
| Clsrm 58,5−8 |
Sliding contacts |
| Clsrm 58,5−20 |
|
| Clsrm 58,5−30 |
|
| Clsrm 50−10 |
|
| Clsrm 50−20 |
|
| Clsrm 37.5 is 2 |
|
| Clsrm 90−4 |
|
| Clsrm 37,5−10 |
|
| Clsrm 37.5 is 16 |
|
| HWP 58,3 |
|
| Slpd 84−16 |
|
| Slpd 80−20 |
|
| Slpd 60−40 |
|
| Slsr 58,3−41,7 |
|
| HWP 91,6 |
|
| HWP 90 |
|
| Zln 95 | Sliding, discontinuous contacts |
| Clsrm 33,3−33,3 |
Moving contacts, springs |
| Slpl 98−2 |
Sliding contacts, solders, potentiometers |
| Slpl 95−5 |
|
| Slpl 93−7 |
|
| Slpl 90−10 |
|
| Plplpl 60−30−10 |
Thermoelectric thermometers, solders |
(Changed edition, Rev. N 1).
