GOST 1208-2014

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  ГОСТ 1208-2014

GOST 1208−2014 pressed bronze Tubes. Specifications

GOST 1208−2014

Group В64

INTERSTATE STANDARD

PRESSED BRONZE TUBES

Specifications

Pressed bronze tubes. Specifications

ISS 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 1.2−2009 «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 standard was accepted by voting:

4 by Order of the Federal Agency for technical regulation and Metrology dated 26 November 2014 N 1783-St inter-state standard GOST 1208−2014 introduced as a national standard of the Russian Federation from September 1, 2015.

5 REPLACE GOST 1208−90


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 bronze round extruded tubes used for manufacture of various components.

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 and classifiers:

GOST 166−89 Calipers. Specifications

GOST 427−75 Rulers measuring metal. 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 9012−59 Metals. Method of measuring hardness Brinell hardness

GOST 9557−87 flat wooden Pallet size 800x1200 mm. specifications

GOST 10006−80 Pipe metal. Test method tensile

GOST 11358−89 Thickness and stenkomer indicator with a scale division of 0.01 and 0.1 mm specifications

GOST 14192−96 Marking of cargo

GOST 15027.1−77 Bronze without tin. Method for determination of copper

GOST 15027.2−77 Bronze without tin. Methods for determination of aluminium

GOST 15027.3−77 Bronze without tin. Methods of iron determination

GOST 15027.4−77 Bronze without tin. Methods for determination of manganese

GOST 15027.5−77 Bronze without tin. Methods for determination of Nickel

GOST 15027.6−77 Bronze without tin. Methods for determination of silicon

GOST 15027.7−77 Bronze without tin. Methods for determination of lead

GOST 15027.8−77 Bronze without tin. Methods for determination of arsenic

GOST 15027.9−77 Bronze without tin. Methods for determination of antimony

GOST 15027.10−77 Bronze without tin. Methods for determination of tin

GOST 15027.12−77 Bronze without tin. Methods for determination of zinc

GOST 15027.13−77 Bronze without tin. Methods for determination of beryllium

GOST 15027.14−77 Bronze without tin. Methods for determination of titanium

GOST 15846−2002 Products that are sent to the far North regions and equated areas. Packing, marking, transportation and storage

GOST 18175−78 of Bronze without tin pressure treated. Brand

GOST 20068.1−79 Bronze without tin. Method of spectral analysis on a metal standard samples with photographic registration of spectra

GOST 20068.2−79 Bronze without tin. Method of spectral analysis on a metal standard samples with photoelectric spectra

GOST 20068.3−79 Bronze without tin. Method of spectral analysis of oxide standard specimens with photographic registration of spectrum

GOST 21650−76 means of fastening of package cargoes in transport packages. General requirements

GOST 24047−80 Semi-finished products from nonferrous metals and their alloys. Sampling for tensile test

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 26663−85 transport Packs. Formation with the use of packaging. General technical requirements

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 the seamless round tube: a Hollow product of round in cross section, having a uniform nominal wall thickness, which at all stages of production has a continuous circumference.

3.2 ovality (deviation from circular shape): Difference between the largest and smallest values of the diameters measured at one cross section perpendicular to the tube axis.

3.3 nominal wall thickness: wall Thickness specified in the order.

3.4 raznoshennoy (thickness variation, the deviation from concentricity, the cross raznoshennoy): the difference between the largest and smallest wall thickness measured in single cross-section perpendicular to the axis of the pipe, expressed in millimetres;

raznoshennoy can also be expressed in percent relative to nominal wall thickness.

3.5 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.

3.6 random length: the Product in the direct segment, having a length within the specified range.

4 Assortment

4.1 Geometrical dimensions of the pipe determine the outside diameter, wall thickness and length.

4.2 nominal outside diameter and nominal wall thickness of extruded pipe shall conform to the values specified in table 1.


Table 1 — nominal outside diameter and nominal wall thickness of extruded pipe

4.3 Outer diameter of the extruded pipe and the tolerances for diameter shall be as specified in table 2.


Table 2 — nominal outside diameters and tolerances for the diameter of the extruded pipe

________________
* A letter of Rosstandart on 08.08.2017 1254 N-OG/03 explains that „In paragraph 4.3 and table 2 GOST 1208−2014 a misprint“. The value marked with * should be read as: 125. — Note the manufacturer’s database.

4.4 wall Thickness of extruded pipe and limit deviations for wall thickness shall conform to the values specified in table 3


Table 3 — wall Thickness of pipes and tolerances for wall thickness of extruded pipe

In millimeters

4.5 Theoretical weight of 1 m of pipes with nominal diameter and nominal wall thickness for extruded tubes brand Brainz 10−3-1,5 are given in table A. 1, brand Brain 10−4-4 in table A. 2 (Appendix A).

4.6 the length of the pipe is made in random lengths and multiple lengths.

Length of pipes shall be as defined in table 4.


Table 4 — Length of pipe

The legend of pipes are placed according to the scheme:

Use the following abbreviations:

The sign «X» is placed instead of the data that has more than one value except to indicate the length and special conditions.

Examples of symbols of pipes:

Pipe round, outer diameter of 65 mm and a wall thickness of 7.5 mm, length 3000 mm bronze brand Brain 10−4-4:

Pipe GKR 65x7,5x3000 Brain 10−4-4 GOST 1208−2014

A round tube, an outer diameter of 205 mm with a wall thickness of 22.5 mm, random length bronze brand Brams 10−3-1,5 for the manufacture of separators of roller bearings:

Pipe GKR 205x22,50 Brams 10−3-1,5 GOST 1208−2014

5 Technical requirements

5.1 Basic implementation

5.1.1 Pipe manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

5.1.2 Pipes are made from extruded bronze brands, Brams 10−3-1,5 and Brain 10−4-4 with the chemical composition according to GOST 18175.

5.1.3 internal and External surfaces of pipes must be free from dirt and oxidation that impede a visual inspection, without bowls, cracks, shells, delamination and blistering.

Allowed some small surface defects: dents, minor risks and signs of Stripping of local defects, if they do not withdraw pipe for tolerances for dimensions in the control sweep.

Allowed on the surface of the pipe koltsevatost and color tint.

5.1.4 Metal tube must be free of internal defects such as non-metallic inclusions, cavities, press utain, delaminations, and other defects.

5.1.5 Pipe should be trimmed evenly and must not have significant burrs.

Cocina cutting of pipes shall not exceed the values given in table 5.


Table 5 — Cosinus cutting pipes

5.1.6 Ovality and raznoshennoy should take the pipe dimensions limit deviations for outer diameter and wall thickness.

5.1.7 Curvature of 1 m of pipe length must not exceed the values given in table 6.


Table 6 — Curvature of the pipe

5.1.8 Mechanical properties of pipes shall conform to the requirements specified in table 7.


Table 7 — Mechanical properties of pipes

For the manufacture of separators of rolling bearings pipe bronze brand Brams 10−3-1,5 should have a tensile strength of at least 590 (60) MPa (kgf/mm), the elongation after rupture of at least 12% hardness, HB 129−171 kgf/mm.

5.2 Execution on demand of the consumer

5.2.1 Pipe outer diameter of 100 mm is made of bronze brand Brams 10−3-1,5 with a wall thickness of 6.5 mm with limit deviation of wall thickness of ±0.75 mm.

5.2.2 Curvature of 1 m of length shall not exceed 3 mm for pipes with outer diameter up to 80 mm inclusive.

5.3 Execution in coordination with the consumer

5.3.1 Pipe can be made of intermediate sizes for the external diameter and wall thickness limit deviation on them for the next larger size given in tables 2 and 3.

5.3.2 Pipe can be manufactured with a wall thickness of 5 mm with a tolerance of plus 0.5 to minus 0.75 mm and with a wall thickness of 7.5 mm with a tolerance of ±1.0 mm.

5.3.3 non-standard pipe can be made longer than specified in table 4. Thus the cosine of the cut and the curvature of the pipes is determined by agreement between manufacturer and consumer.

5.3.4 Pipes can be made exact or multiple lengths with extreme deviations in length


Table 8 — Limit deviations for the length of the pipes

5.3.5 Pipe can be manufactured with an increased upper limit of hardness, and for pipes made of bronze brand Brams 10−3-1,5 outer diameter from 42 to 80 mm, inclusive, temporary resistance can be reduced to 540 (55) MPa (kgf/mm) provided that the elongation after rupture is not less than 15%.