GOST R 52955-2008
GOST R 52955−2008 Solders for capillary soldering of fittings from copper and copper alloys for connecting of pipelines. Brand
GOST R 52955−2008
Group W51
NATIONAL STANDARD OF THE RUSSIAN FEDERATION
SOLDERS FOR CAPILLARY SOLDERING OF FITTINGS FROM COPPER AND COPPER ALLOYS
FOR CONNECTION OF PIPING SYSTEMS
Brand
Solders for capillary soldering of fittings from copper and copper alloys
for connecting the pipelines systems. Grades
OKS 77.120.60
77.120.99
GST 2300 17
Date of introduction 2009−06−01
Preface
The objectives and principles of standardization in the Russian Federation established by the Federal law of 27 December 2002 N 184-FZ «On technical regulation», and rules for the application of national standards of the Russian Federation — GOST R 1.0−2004 «Standardization in the Russian Federation. The main provisions"
Data on standard
1 DEVELOPED by the Technical Committee for standardization TC 106 «Tsvetmetprokat», Scientific-research, project and design Institute for alloys and processing of nonferrous metals open joint stock company «Institute tsvetmetobrabotka"
2 SUBMITTED by the Technical Committee for standardization TC 106 «Tsvetmetprokat"
3 APPROVED AND put INTO EFFECT by the Federal Agency for technical regulation and Metrology from September, 15th, 2008 N 200 St
4 this standard conforms to European standard EN 1254−1:1998, «copper and Copper alloys. Fittings. Part 1. Fitting end, attachable capillary soldering soft or hard solder, for copper pipes» (EN 1254−1:1998 «Copper and copper alloys — Plumbing fittings — Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes», NEQ) regarding the chemical composition of major brands of solders
5 INTRODUCED FOR THE FIRST TIME
Information about the changes to this standard is published in the annually issued reference index «National standards», and the text changes and amendments — in monthly indexes published information «National standards». In case of revision (replacement) or cancellation of this standard a notification will be published in a monthly information index «National standards». Relevant information, notification and lyrics are also posted in the information system of General use — on the official website of the Federal Agency for technical regulation and Metrology on the Internet
1 Scope
This standard covers solders for capillary soldering of fittings from copper and copper alloys, intended for connecting copper tubes manufactured according to GOST R 52318, used in drinking water systems, hot and cold water, water (steam) heating, cooling, sewage, water treatment plants and gas supply.
The standard specifies the chemical composition of low-melting solders for low temperature soldering, srednebelaya solders for high temperature soldering and physico-mechanical properties of solders.
2 Normative references
This standard uses the regulatory references to the following standards:
GOST R 52318−2005 Pipes of circular cross-section for water and gas. Specifications
GOST 1429.0−77 Solders tin-lead. General requirements for methods of analysis
GOST 1429.1−77 Solders tin-lead. Methods for determination of antimony
GOST 1429.2−77 Solders tin-lead. Method for determination of tin
GOST 1429.3−77 Solders tin-lead. Method for determination of iron
GOST 1429.4−77 Solders tin-lead. Methods for determination of copper
GOST 1429.5−77 Solders tin-lead. Methods for determination of bismuth
GOST 1429.6−77 Solders tin-lead. Method for the determination of sulfur
GOST 1429.7−77 Solders tin-lead. Method for the determination of Nickel
GOST 1429.8−77 Solders tin-lead. Method of determining zinc
GOST 1429.9−77 Solders tin-lead. Method for the determination of aluminium
GOST 1953.1−79 Bronze tin. Methods for determination of copper
GOST 1953.2−79 Bronze tin. Methods for determination of lead
GOST 1953.3−79 Bronze tin. Methods for determination of tin
GOST 1953.6−79 Bronze tin. Methods for determination of zinc
GOST 1953.7−79 Bronze tin. Methods of iron determination
GOST 1953.10−79 Bronze tin. Methods for determination of antimony
GOST 1953.11−79 Bronze tin. Methods for determination of bismuth
GOST 6674.1−96 copper phosphorous Alloys. Methods for determination of phosphorus
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 16882.1−71 Silver-copper-phosphorus solders. Method of determining mass percentage of silver
GOST 16882.2−71 Silver-copper-phosphorus solders. Methods for determination of mass fraction of phosphorus, lead, iron and bismuth
GOST 16883.1−71 Silver-copper-zinc solders. Method of determining mass percentage of silver
GOST 16883.2−71 Silver-copper-zinc solders. The method of determining the mass fraction of copper
GOST 16883.3−71 Silver-copper-zinc solders. Spectral method for determination of lead, iron and bismuth
GOST 19738−74 silver Solders. Brand
GOST 21930−76 Solders tin-lead ingots. Specifications
GOST 21931−76 Solders tin-lead products. Specifications
GOST 25086−87 non-ferrous metals and their alloys. General requirements for methods of analysis
Note — When using this standard appropriate to test the effect of reference standards in the information system of General use — on the official website of the Federal Agency for technical regulation and Metrology on the Internet or published annually by the information sign «National standards» published as on January 1 of the current year and related information published monthly indexes published in the current year. If the reference standard is replaced (changed), when using this standard should be guided by replacing (amended) standard. If the reference standard is cancelled without replacement, then the situation in which the given link applies to the extent that does not affect this link.
3 Terms and definitions
This standard applies the following terms with respective definitions:
3.1 low-temperature (soft) brazing: Soldering with a melting point of not more than 450 °C.
3.2 low-melting solders: Solders with a melting point of from 145 °C to 450 °C inclusive.
3.3 high-temperature (hard) soldering: Soldering with a melting point more than 450 °C.
3.4 srednebelaya solders: Solders with a melting point of from 450 °C to 1100 °C inclusive.
4 Stamps
4.1 Chemical composition of low-melting solders for low-temperature (soft) brazing Possu50−0.5 and Possu40−2 according to GOST and GOST 21930 21931 and solder POM2 indicated in table 1.
Table 1 — Chemical composition of low-melting solders for low-temperature (soft) brazing
| Brand solder | Pre- Affairs |
Mass fraction of elements, % | |||||||||
| Tin | Antimony | Lead | Copper | Bismuth | Arsenic | Iron | Nickel |
Sulfur | Zinc | ||
| Possu50−0,5 | Min. | 49,0 | 0,2 | The rest |
- | - | - | - | - | - | - |
| Max. |
51,0 | 0,5 | - | 0,08 | 0,1 | 0,03 | 0,02 | 0,02 | 0,02 | 0,002 | |
| Possu40−2 | Min. | 39,0 | 1,5 | The rest |
- | - | - | - | - | - | - |
| Max. |
41,0 | 2,0 | - | 0,10 | 0,2 | 0,05 | 0,02 | 0,08 | 0,02 | 0,002 | |
| POM2 | Min. | The rest |
- | - | 1,0 | - | - | - | - | - | - |
| Max. |
- | 0,015 | 0,015 | 3,0 | 0,015 | 0,01 | 0,02 | 0,02 | 0,01 | 0,002 | |
Srednebelaya chemical composition of solders for high-temperature (hard) soldering PCR 65, PCR 45, Psr40, Psrmckd45−15−16−24 according to GOST 19738 and solder Pmfocr6−4-0,03 listed in table 2.
Table 2 — Chemical composition srednebelaya solders for high-temperature (hard) soldering
| Brand solder | Pre- Affairs |
Mass fraction of elements, % | ||||||||||||
| CE REB- ro |
Foz Fort |
Olo- in |
CIR- Kony |
Copper | Zinc | Kad- miy |
No- Kel |
Sur- mA |
Swee- Heff |
Same- the Uragan |
Vis- Mut |
Amounts of other ele- cops | ||
| Psr65 | Min. | 64,5 | - | - | - | 19,5 | OS- tal Noah |
- | - | - | - | - | - | - |
| Max. | 65,5 | - | - | - | 20,5 | - | - | - | - | 0,120 | 0,15 | 0,005 |
0,20 | |
| Psr45 | Min. | 44,5 | - | - | - | 29,5 | OS- tal Noah |
- | - | - | - | - | - | - |
| Max. | 45,5 | - | - | - | 30,5 | - | - | - | - | 0,100 |
0,15 | 0,005 | 0,30 | |
| Psr40 | Min. | 39,0 | - | - | - | 16,0 | 16,2 | OS- tal Noah |
0,1 | - | - | - | - | - |
| Max. | 41,0 | - | - | - | 17,4 | 17,8 | - | 0,5 | - | 0,150 | 0,15 | 0,005 |
0,30 | |
| Psrmckd45−15−16−24 | Min. | 44,5 | - | - | - | OS- tal Noah |
15,0 | 23,0 | - | - | - | - | - | - |
| Max. | 45,5 | - | - | - | - | 17,0 | 25,0 | - | - | 0,150 |
0,15 | 0,005 | 0,30 | |
| Pmfocr6−4-0,03 | Min. | - | 5,3 | 3,5 | 0,01 | OS- tal Noah |
- | - | - | - | - | - | - | - |
| Max. | - | 6,3 | 4,5 | 0,05 | - | 0,06 | - | - | 0,05 | 0,06 | 0,10 | 0,002 |
0,30 | |
| Notes 1 the Zirconium solder brand Pmfocr6−4-0,03 not determined. The manufacturer guarantees that the contents of the specified production technology. 2 the Amount of other elements in the solder of the brand Pmfocr6−4-0,03 is not controlled, is set by the purity charge materials. | ||||||||||||||
4.2 Chemical composition of solders Possu50−0.5 and Possu40−2 is determined according to GOST 1429.0-GOST 1429.9.
The chemical composition of the solders POM2 is determined according to GOST 1429.0, 1429.2 GOST, GOST 1429.4.
The chemical composition of the solders PCR 65, PCR 45, Psr40, Psrmckd45−15−16−24 determined according to GOST 16321.1, 16321.2 GOST, GOST 16882.1, 16882.2 GOST, GOST 16883.1-GOST 16883.3.
The chemical composition of the solder Pmfocr6−4-0,03 determined according to GOST 1953.1−1953.3 GOST, GOST 1953.6 in 1953.7, 1953.10 GOST, GOST 1953.11, determination of phosphorus GOST 6674.1.
Allowed the use of other methods of analysis, accuracy is not inferior to mentioned above.
If there is disagreement in the assessment of the chemical composition analysis is carried out according to standards specified in 4.2.
4.3 Physical and mechanical properties of low-melting solders for low-temperature (soft) brazing is given in Appendix A.
4.4 Physical and mechanical properties srednebelaya solders for high-temperature (hard) soldering is given in Appendix B.
Annex a (informative). Physical and mechanical properties of low-melting solders for low-temperature (soft) brazing
Appendix A
(reference)
Physical and mechanical properties of low-melting solders for low-temperature (soft) brazing are shown in table A. 1.
Table A. 1
| Melting point, °C |
|||||||||
| Brand solder |
The lower critical no point |
The upper critical no point |
The raft- |
Specific electric |
Halopro- the water content, kcal/ cm·s·degrees |
Times |
Take tive. - tion, % |
Impact strength, kgf·M/cm |
Brinell hardness number PV |
| Piss 40−2 |
185 | 229 | 9,2 | And 0.172 | 0,100 | 4,3 | 48 | 2,8 | 14,2 |
| Piss 50−0,5 |
183 | 216 | 8,9 | 0,149 | 0,112 | 3,8 | 62 | 4,4 | 13,2 |
| POM 2 |
227 | 310 | 7,35 | 0,126 | 0,145 | 5,3 | 30 | 4,8 | 13,7 |
Annex B (reference). Physico-mechanical properties srednebelaya solders for high-temperature (hard) soldering
Appendix B
(reference)
Physico-mechanical properties srednebelaya solders for high-temperature (hard) soldering is given in table B. 1.
Table B. 1
| Melting point, °C |
||||
| Brand solder |
Density, g/cm |
The upper critical point |
The lower critical point |
Electrical resistivity, Ohm·mm |
| Psr65 | 9,45 | 722 |
695 | 0,09 |
| Psr45 | 9,10 | 730 |
665 | 0,10 |
| Psr40 | 9,25 | 610 |
590 | 0,07 |
| Psrmckd45−15−16−24 | 9,40 | 615 |
615 | 0,07 |
| Pmfocr6−4-0,03 | 7,85 | 680 |
640 | 0,34 |
