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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

ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия

ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия — width; ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия — height; ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия — wall thickness; ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия — 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
ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия

Height
ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия

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 ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия

Height, mm ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия

The radius of the corners, mm

the inner radius of curvature ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия, not more

the outer radius of curvature ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия, not more

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 (ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия) of not more than 0.7 mm, an outer radius (ГОСТ 20900-2014 Трубы волноводные медные и латунные прямоугольные. Технические условия) 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'.