GOST 20900-2014
GOST 20900−2014 Pipe waveguide copper and brass rectangular. Specifications
GOST 20900−2014
INTERSTATE STANDARD
THE WAVEGUIDE TUBE COPPER AND BRASS RECTANGULAR
Specifications
Copper tubing for waveguides and brass right angle tubes. Specifications
OKS 23.040.15
Date of introduction 2015−09−01
Preface
Goals, basic principles and main procedure of works on interstate standardization have been established in GOST 1.0−92 «interstate standardization system. Basic provisions» and GOST 1.2−97 «interstate standardization system. Interstate standards, rules and recommendations on interstate standardization. Rules of development, adoption, application, renewal and cancellation».
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 «joint-stock company «Institute tsvetmetobrabotka""
2 SUBMITTED by the Technical Secretariat of the Interstate Council for standardization, Metrology and certification
3 ACCEPTED by the Interstate Council for standardization, Metrology and certification (Protocol No. 67-P dated 30 may 2014)
The adoption voted:
| Short name of the country on MK (ISO 3166) 004−97 | Country code MK (ISO 3166) 004−97 | Abbreviated name of the national authority for standardization |
| Armenia |
AM | Ministry Of Economy Of The Republic Of Armenia |
| Belarus |
BY | Gosstandart Of The Republic Of Belarus |
| Kazakhstan |
KZ | Gosstandart Of The Republic Of Kazakhstan |
| Kyrgyzstan |
KG | Kyrgyzstandard |
| Russia |
EN | Rosstandart |
| Tajikistan |
TJ | Tajikstandart |
4 by Order of the Federal Agency for technical regulation and Metrology dated 26 November 2014 N 1780-St inter-state standard GOST 20900−2014 introduced as a national standard of the Russian Federation from September 1, 2015.
5 REPLACE GOST 20900−75
Information about the changes to this standard is published in the annual reference index «National standards», and the text changes and amendments — in monthly information index «National standards». In case of revision (replacement) or cancellation of this standard a notification will be published in the 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 applies to pipe copper and brass, drawn, of rectangular cross section designed for the manufacture of waveguides.
The standard specifies the dimensions, technical requirements, acceptance rules, methods of control and testing, packaging, labeling, transportation and storage of pipes.
2 Normative references
This standard uses the regulatory references to the following international standards:
GOST 427−75 Rulers measuring metal. Specifications
GOST 868−82 Caliper indicator with a scale division 0,01 mm. specifications
GOST 859−2001 Copper. Brand
GOST 1173−2006 of copper Strip. Specifications
GOST 1652.1−77 Alloys copper-zinc. Methods for determination of copper
GOST 1652.2−77 Alloys copper-zinc. Methods for determination of lead
GOST 1652.3−77 Alloys copper-zinc. Methods of iron determination
GOST 1652.4−77 Alloys copper-zinc. Methods for determination of manganese
GOST 1652.5−77 Alloys copper-zinc. Methods for determination of tin
GOST 1652.6−77 Alloys copper-zinc. Methods for determination of antimony
GOST 1652.7−77 Alloys copper-zinc. Methods for determination of bismuth
GOST 1652.8−77 Alloys copper-zinc. Methods for determination of arsenic
GOST 1652.9−77 Alloys copper-zinc. Method for the determination of sulfur
GOST 1652.10−77 Alloys copper-zinc. Methods for determination of aluminium
GOST 1652.11−77 Alloys copper-zinc. Methods for determination of Nickel
GOST 1652.12−77 Alloys copper-zinc. Methods for determination of silicon
GOST 1652.13−77 Alloys copper-zinc. Methods for determination of phosphorus
GOST 2789−73 surface Roughness. Parameters and characteristics.
GOST 2991−85 wooden disposable Boxes for loads up to 500 kg. General specifications
The Wire GOST 3282−74 General purpose low carbon steel. Specifications
GOST 3560−73 package steel Strip. Specifications
GOST 6507−90 Micrometers. Specifications
GOST 7502−98 metallic measuring tape. Specifications
GOST 8273−75 wrapping Paper. Specifications
GOST 9557−87 flat wooden Pallet size 800x1200 mm. specifications
GOST 9716.2−79 Alloy copper and zinc. Method of spectral analysis on a metal standard samples with photoelectric registration of spectrum
GOST 9716.3−79 Alloy copper and zinc. Method of spectral analysis on the oxide samples with photographic registration of spectrum
GOST 9717.1−82 Copper. Method of spectral analysis on a metal standard samples with photoelectric registration of spectrum
GOST 9717.2−82 Copper. Method of spectral analysis on a metal standard samples with photographic registration of spectrum
GOST 9717.3−82 Copper. Method of spectral analysis of oxide standard specimens
GOST 10198−91 wooden Boxes for goods of mass over 200 up to 20000 kg. General specifications
GOST 13938.1−78 Copper. Methods for determination of copper
GOST 13938.2−78 Copper. Methods of determining sulphur
GOST 13938.3−78 Copper. Method of determination of phosphorus
GOST 13938.4−78 Copper. Methods of iron determination
GOST 13938.5−78 Copper. Methods for determination of zinc
GOST 13938.6−78 Copper. Methods for determination of Nickel
GOST 13938.7−78 Copper. Methods for determination of lead
GOST 13938.8−78 Copper. Methods for determination of tin
GOST 13938.9−78 Copper. Methods for determination of silver
GOST 13938.10−78 Copper. Methods for determination of antimony
GOST 13938.11−78 Copper. Method for the determination of arsenic
GOST 13938.12−78 Copper. Methods for determination of bismuth
GOST 13938.13 — 93 Copper. Methods for determination of oxygen
GOST 13938.15−88 Copper. Methods for determination of chromium and cadmium
GOST 14192−96 Marking of cargo
GOST 15102−75 the universal metal closed Container of nominal gross mass 5,0 t Technical specifications
GOST 15527−2004 Alloys copper-zinc (brass) pressure treated. Brand
GOST 15846−2002 Products that are sent to the far North regions and equated areas. Packing, marking, transportation and storage
GOST 16295−93 Paper anticorrosive. Specifications
GOST 21140−88 Tara. System sizes
GOST 21650−76 means of fastening of package cargoes in transport packages. General requirements
GOST 22225−76 universal Containers with a gross weight 0,625 and 1,25 t. specifications
GOST 24231−80 non-ferrous metals and alloys. General requirements to selection and preparation of samples for chemical analysis
GOST 24597−81 the packaged goods. Basic parameters and dimensions
GOST 26877−91 metal Products. Methods of measuring form deviations of
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 in the annual information index «National standards» published as on January 1 of the current year, and the editions of the monthly information index «National standards» for 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 rectangular tube: a Hollow product rectangular in cross section, having a uniform nominal wall thickness.
3.2 nominal wall thickness: wall Thickness specified in the order.
3.3 measuring length: the Product of a certain length, specified in the order, straight leg, or in the Bay.
3.4 times the length: the Period of integral multiple of the number of core length with an allowance for cutting and a tolerance on the overall length.
4 Assortment
4.1 Form, the geometric dimensions of pipes and tolerances for the dimensions shall be as specified in figure 1 and in table 1.
Figure 1 — Form and geometric dimensions of the pipe
— width;
— height;
— wall thickness;
— the radius of the corners
Figure 1 — Form and geometric dimensions of the pipe
Table 1 — Size of the inner of the pipe sections and tolerances for the width and height of pipes
| The size of the internal cross-section, mm | |||||
Width |
Height |
maximum deviations in width | limit deviations in height | ||
| normal accuracy |
increased accuracy | normal accuracy | increased accuracy | ||
| 2,4 |
1,2 | ±0,02 | ±0,0127 | ±0,02 | ±0,0127 |
| 3,6 |
1,8 | ±0,02 | ±0,020 | ±0,02 | ± 0,020 |
| 5,2 |
2,6 | ±0,02 | ±0,020 | ±0,02 | ± 0,020 |
| 7,2 |
3,4 | +0,10 -0,05 |
±0,020 | +0,10 — 0,05 |
± 0,020 |
| 9 |
4,5 | ±0,020 | ± 0,020 | ||
| 9 |
4,5 | ±0,020 | ±0,020 | ||
| 11 |
5,5 | ±0,021 | ±0,021 | ||
| 11 |
5,5 | ±0,021 | ±0,021 | ||
| 13 |
6,5 | ± 0,026 | ± 0,026 | ||
| 13 |
6,5 | ± 0,026 | ± 0,026 | ||
| 16 |
8 | ±0,031 | ±0,031 | ||
| 16 |
8 | +0,10 -0,05 |
±0,031 | +0,10 -0,05 |
±0,031 |
| Nineteen |
9,5 | ±0,038 | ±0,038 | ||
| 23 |
5 | - | - | ||
| 23 |
10 | ± 0,046 | ±0,046 | ||
| 23 |
10 | ± 0,046 | ±0,046 | ||
| 28,5 |
5 | - | - | ||
| 28,5 |
12,6 | ±0,057 | ±0,057 | ||
| 28,5 | 12,6 | +0,10 -0,05 |
±0,057 | +0,10 -0,05 |
±0,057 |
| 35 |
5 | ±0,10 | - | - | |
| 35 |
6 | ±0,10 | - | - | |
| 35 |
15 | ±0,10 | ±0,070 | ±0,10 | ±0,070 |
| 40 | 5 | ±0,15 | - | +0,10 -0,05 |
- |
| 40 | 6 | ±0,15 | - | +0,10 -0,05 |
- |
| 40 |
20 | ±0,15 | ±0,081 | ±0,12 | ±0,081 |
| 48 |
8 | ±0,15 | - | ±0,10 | - |
| 48 |
24 | ±0,15 | ±0,095 | ±0,15 | ±0,095 |
| 58 | 10 | +0,20 -0,15 |
- | ±0,10 | - |
| 58 | 25 | ±0,15 |
±0,12 | ±0,15 | ±0,12 |
| 61 | 10 | +, 20 -0,15 |
- | ±0,10 | - |
| 72 | 10 | ±0,20 |
- | ±0,10 | - |
| 72 | 20 | ±0,20 | - | +, 20 — 0,15 |
- |
| 72 | 34 | ±0,20 | ±0,14 | + 0,20 — 0,15 |
±0,14 |
| 90 | 10 | ±0,20 | - | ±0,20 |
- |
| 90 | 45 | ±0,25 -0,20 |
±0,17 | + 0,20 — 0,15 |
±0,17 |
| 110 | 55 | +0,30 -0,25 |
±0,22 | + 0,25 — 0,15 |
±0,22 |
| 120 | 10 | ±0,20 | - | + 0,20 — 0,35 |
- |
| 130 | 65 | ±0,40 |
±0,26 | ±0,25 | ±0,26 |
| 160 | 80 | ±0,50 |
±0,33 | ±0,40 | ±0,33 |
| 180 | 90 | ±0,50 |
- | ±0,40 | - |
| 196 | 98 | ±0,50 |
- | ±0,40 | - |
| 220 | 110 | ±0,50 |
- | ±0,40 | - |
| 248 | 124 | ±0,50 |
- | ±0,50 | - |
| 270 | 135 | ±0,50 |
- | ±0,50 | - |
| 292 | 146 | ±0,60 |
- | ±0,50 | - |
4.2 wall Thickness of pipes and tolerances for wall thickness shall be as specified in table 2.
Table 2 — nominal thickness of tube wall and limit deviations for wall thickness
| Nominal wall thickness, mm | Width, mm |
Height, mm |
Limit deviation of nominal wall thickness, mm |
| 0,5 |
7,2; | 3,4; | ±0,10 |
| 9 | 4,5 | ±0,14 | |
| 11 | 5,5 | ±0,10 | |
| 0,8 |
2,4; | 1,2; | ±0,04 |
| 3,6 | 1,8 | ±0,04 | |
| 13 | 6,5 | ±0,10 | |
| 0,95 |
5,2 | 2,6 | ±0,05 |
| 1,0 |
9 | 4,5 | ±0,10 |
| 11 | 5,5 | ±0,10 | |
| 13 | 6,5 | ±0,10 | |
| 16 | 8 | ±0,10 | |
| 19 | 9,5 | ±0,10 | |
| 23 | 5 | ±0,10 | |
| 23 | 10 | ±0,10 | |
| 28,5 | 12,6 | ±0,10 | |
| 28,5 | 5 | ±0,10 | |
| 35 | 5 | ±0,10 | |
| 40 | 6 | ±0,10 | |
| 1,5 | 16 |
8 | ±0,15 |
| 23 |
10 | ±0,15 | |
| 28,5 |
12,6 | ±0,15 | |
| 35 |
6 | ±0,15 | |
| 35 |
15 | ±0,15 | |
| 40 |
5 | ±0,15 | |
| 40 |
20 | ±0,15 | |
| 2,0 |
48 | 8 | ±0,20 |
| 48 | 24 | ±0,20 | |
| 58 | 10 | ±0,20 | |
| 58 | 25 | ±0,20 | |
| 61 | 10 | ±0,20 | |
| 72 | 10 | -0,20 | |
| 72 | 20 | ±0,20 | |
| 72 | 34 | ±0,20 | |
| 90 | 10 | ±0,20 | |
| 90 | 45 | ±0,20 | |
| 120 | 10 | ±0,20 | |
| 2,5 |
110 | 55 | ±0,25 |
| 130 | 65 | ±0,25 | |
| 160 | 80 | ±0,25 | |
| 3,0 |
180 | 90 | ±0,30 |
| 196 | 98 | ±0,30 | |
| 220 | 110 | ±0,30 | |
| 248 | 124 | ±0,30 | |
| 270 | 135 | ±0,30 | |
| 292 | 146 | ±0,30 |
4.7 Inner and outer corner radii shall be as specified in table 3.
Table 3 — Radius of the corners
Width, mm |
Height, mm |
The radius of the corners, mm | |
the inner radius of curvature |
the outer radius of curvature | ||
| 2,4 |
1,2 | 0,15 | 0,1 |
| 3,6 |
1,8 | 0,20 | 0,1 |
| 5,2 |
2,6 | 0,30 | 0,1 |
| 7,2 |
3,4 | 0,40 | 1,5 |
| 9 |
4,5 | 0,40 | 1,5 |
| 9 |
4,5 | 0,40 | 1,5 |
| 11 |
5,5 | 0,40 | 1,5 |
| 11 |
5,5 | 0,40 | 1,5 |
| 13 |
6,5 | 0,40 | 1,5 |
| 13 |
6,5 | 0,40 | 1,5 |
| 16 |
8 | 0,40 | 1,5 |
| 16 |
8 | 0,40 | 1,5 |
| 19 |
9,5 | 0,40 | 1,5 |
| 23 |
5 | 0,35 | 1,5 |
| 23 |
10 | 0,40 | 1,5 |
| 23 |
10 | 0,40 | 1,5 |
| 28,5 |
5 | 0,35 | 1,5 |
| 28,5 |
12,6 | 0,40 | 1,5 |
| 28,5 |
12,6 | 0,40 | 1,5 |
| 35 |
5 | 0,35 | 1,5 |
| 35 |
6 | 0,35 | 1,5 |
| 35 |
15 | 0,50 | 1,5 |
| 40 |
5 | 0,35 | 1,5 |
| 40 |
6 | 0,35 | 1,5 |
| 40 |
20 | 0,50 | 1,5 |
| 48 |
8 | 0,50 | 1,5 |
| 48 |
24 | 0,50 | 2,0 |
| 58 |
10 | 0,50 | 2,0 |
| 58 |
25 | 0,60 | 2,0 |
| 61 |
10 | 0,60 | 2,0 |
| 72 |
10 | 0,60 | 2,0 |
| 72 |
20 | 0,60 | 2,0 |
| 72 |
34 | 0,60 | 2,0 |
| 90 |
10 | 0,60 | 2,5 |
| 90 |
45 | 0,70 | 2,0 |
| 110 |
55 | 0,70 | 3,0 |
| 120 |
10 | 0,60 | 2,5 |
| 130 |
65 | 1,0 | 3,0 |
| 160 |
80 | 2,0 | 4,0 |
| 180 |
90 | 2,0 | 4,0 |
| 196 |
98 | 2,0 | 4,0 |
| 220 |
110 | 2,0 | 4,0 |
| 248 |
124 | 2,0 | 4,0 |
| 270 |
135 | 2,0 | 4,0 |
| 292 |
146 | 2,0 | 4,0 |
4.8 Theoretical weight of 1 m of pipes with nominal diameter and nominal wall thickness for cold-deformed pipes is given in table A. 1 (Appendix A).
4.9 At the request of the consumer tube section 48х24, 58х25, 90х45 manufactured with a wall thickness of 5±5 mm inner radius () of not more than 0.7 mm, an outer radius (
) of not more than 4 mm.
Allowed by agreement between manufacturer and consumer to make the inner pipe section 5,2x2,6 and less than 90°±30'.
