GOST 5307-2015

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  ГОСТ 5307-2015

GOST 5307−2015 constant noninsuloted Wire. Specifications

GOST 5307−2015

INTERSTATE STANDARD

CONSTANT NONINSULOTED WIRE

Specifications

Constantan uninsulated wire. Specifications

ISS 77.150.30

Date of introduction 2016−04−01

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» (JSC «Institute tsvetmetobrabotka»)

2 as AMENDED by the Federal Agency for technical regulation and Metrology (Rosstandart)

3 ACCEPTED by the Interstate Council for standardization, Metrology and certification (Protocol dated may 29, 2015 N 77-P)

The adoption voted:

4 by Order of the Federal Agency for technical regulation and Metrology dated 2 October 2015 N 1437-St inter-state standard GOST 5307−2015 introduced as a national standard of the Russian Federation from April 1, 2016.

5 INTRODUCED INSTEAD 5307−77*
________________
* Probably, the error of the original. Should read: GOST 5307−77. — Note the manufacturer’s database.

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 cold drawn Konstantinovo uninsulated wire of circular cross section (hereinafter, wire) used for electrical purposes. The wire is designed to operate at temperatures above 500 °C.

The standard specifies the dimensions, technical requirements, acceptance rules, methods of control and testing, packaging, labeling, transportation and storage of the wire.

2 Normative references

This standard uses the regulatory references to the following international standards:

GOST 492−2006 Nickel, Nickel alloys, and copper-Nickel, processed by pressure. Brand

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 4381−87 Micrometers lever. General specifications

GOST 6507−90 Micrometers. Specifications

GOST 6689.1−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of copper

GOST 6689.2−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of Nickel

GOST 6689.3−92 Nickel, alloys Nickel and copper-Nickel. The method of determining the amount of Nickel and cobalt

GOST 6689.4−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of zinc

GOST 6689.5−92 Nickel, alloys Nickel and copper-Nickel. Methods of iron determination

GOST 6689.6−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of manganese

GOST 6689.7−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of silicon

GOST 6689.8−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of aluminium

GOST 6689.9−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of cobalt

GOST 6689.10−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of carbon

GOST 6689.11−92 Nickel, alloys Nickel and copper-Nickel. Method for the determination of tungsten

GOST 6689.12−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of magnesium

GOST 6689.13−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of arsenic

GOST 6689.14−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of chromium

GOST 6689.15−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of antimony

GOST 6689.16−92 Nickel, alloys Nickel and copper-Nickel. Methods for the determination of zinc, cadmium, lead, bismuth and tin

GOST 6689.17−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of bismuth

GOST 6689.18−92 Nickel, alloys Nickel and copper-Nickel. Methods of determining sulphur

GOST 6689.19−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of phosphorus

GOST 6689.20−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of lead

GOST 6689.21−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of titanium

GOST 6689.22−92 Nickel, alloys Nickel and copper-Nickel. Methods for determination of tin

GOST 7229−76 Cables, wires and cords. Method of determination of electrical resistance of conductors and conductors

GOST 8273−75 wrapping Paper. Specifications

GOST 8828−89 base Paper and paper double-layer waterproof packaging. Specifications

GOST 9078−84 flat Pallets. General specifications

GOST 9347−74 Cardboard gasket and gasket from him. Specifications

GOST 9421−80 Cardboard glued flat container. Specifications

GOST 9557−87 flat wooden Pallet size of 8001200 mm. Technical specifications

GOST 9569−2006 waxed Paper. Specifications

GOST 9570−84 box Pallets and rack. General specifications

GOST 10446−80 (ISO 6892−84) Wire. Test method tensile

GOST 14019−2003 (ISO 7438:1985) Materials of metal. Method of bend test

GOST 14192−96 Marking of cargo

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

GOST 17308−88 Twines. Specifications

GOST 18242−72 Statistical acceptance inspection by alternative feature. Plans control*
________________
* On the territory of the Russian Federation GOST R ISO 2859−1-2007"Statistical methods. Procedure sampling on alternative grounds. Part 1. Sampling plans consistent parties on the basis of an acceptable level of quality."


GOST 18321−73 Statistical quality control. Methods of random selection of piece products

GOST 20435−75 the universal metal closed Container of nominal gross mass 3,0 t specifications

GOST 21140−88 Tara. System sizes

GOST 22225−76 universal Containers with a gross weight 0,625 and 1,25 t. specifications

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 25086−2011 non-ferrous metals and their alloys. General requirements for methods of analysis

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

GOST 28798−90 Head of the measuring spring. General specifications

ST SEV 543−77 Number. Record rules and rounding

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 wire: Prefabricated with a cross section of constant size, rolled into the Bay or wound into a coil, manufactured by rolling, pressing or drawing.

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 axis of the wire.

3.3 Bay: Cut product wound into a series of continuous turns right separatornyi rows, without sharp bends.

3.4 dent: Local deepening of various sizes and shapes with sloping edges.

3.5 shell: the deepening on the surface of the product from the chipping of impurities.

3.6 a crack: a Defect of a surface, representing a rupture of the metal.

3.7 stratification: the discontinuity of metal, oriented along the direction of deformation.

3.8 risk: a Longitudinal indentations or protrusions on the surface of products of different length in the warp direction.

3.9 color tint: defect of a surface represents oxidized portions in the form of spots and stripes of various colors and shapes with smooth surface and formed as a result of a breach of the modes of heat treatment and etching.

4 Assortment

4.1 the diameter of the wire and limit deviation should conform to the values specified in table 1.


Table 1 — nominal diameters and tolerances for diameter

In millimeters

4.2 out-of-Roundness of the wire must not exceed half of the maximum deviations in diameter.

4.3 Wire is delivered in Hanks, coils or on reels.

The legend of wire are placed according to the scheme:

Use the following abbreviations:

Instead missing data are «X» (except for notations of special conditions).

Symbols are examples of wire:

Wire cold-drawn, round section, the normal precision manufacturing, rigid, diameter 0.15 mm, in coils, of alloy Constantan brand Mnmc40−1,5:

Wire DKRNT 0,15 CT Mnmc40−1,5 GOST 5307−2015

Wire cold-drawn, round section, the normal precision of manufacture, soft, with a diameter of 4.0 mm, in coils, with a light surface of the alloy Constantan brand Mnmc40−1,5:

Wire DKRM 4,0 BT Mnmc40−1.5 GOST 5307−2015

5 Technical requirements

5.1 Wire produced in accordance with the requirements of this standard for technological regulations approved in the prescribed manner. Wire made from copper-Nickel alloy Constantan brand Mnmc40−1,5 with the chemical composition according to GOST 492.

5.2 as metal wire should be made:

— with a diameter of 0.09 mm or less — rigid;

— diameter of St 0.09 mm — hard and soft.

5.3 the Surface of wire should be clean, free from contamination, hindering their examination, do not have cracks, captivity, holes, delaminations, pinches, nicks, scratches, and scratches.

Allowed individual surface defects with a maximum depth limit deviation for diameter (after Stripping control).

Allowed on the surface of soft wire color tint and local oxidation.

Note — At the customer’s request soft wire with a diameter of 0.5 mm or more, intended for a further drawing made with light surface.

5.4 electrical resistivity konstantinovoj wire shall conform to the requirements set forth in table 2.


Table 2 — electrical resistivity

5.4.1 Electrical resistance of 1 m wire is given in Appendix B. the Temperature coefficient of electrical resistance wire are given in Appendix B.

5.5 Mechanical properties the wire shall conform to the values specified in table 3.


Table 3 — Mechanical properties of the wire

5.6 the Mass of the segment of wire on a reel or on reel are given in Appendix G.

The number of coils (coils) low mass must not be more than 10% of the batch weight.

5.7 Solid wire of diameter 1 mm and must withstand bending 180°.

6 acceptance Rules

6.1 Wire take parties. The party should consist of wire of one method and precision manufacturing, one state, one diameter shall be furnished in one document about quality that contains:

is the trademark or name and trademark of manufacturer;

— the name of the country of manufacture;

— legal address of the manufacturer and/or seller;

— designation of wire;

— the batch number;

the weight of the party;

— the test results of the electrical resistivity, and at the request of the consumer — results of tests in bending, tension and chemical composition;

— the number of seats.

The weight of the batch shall be not more than 1000 kg.

By agreement with the consumer for a wire diameter of more than 0.6 mm, the weight of the batch should not exceed 2500 kg.

6.2 To control the size and surface quality of wire used in single-stage normal sampling plan for the alternative characteristic in accordance with GOST 18242, with the acceptance level of defects is 2.5%. The sampling plan given in table 4. Selection of wire in the sample is carried out «blindly» (by the greatest objectivity) according to GOST 18321.


Table 4 — Number of control coils

In pieces

Party is considered valid if the number of coils (coils) with measurements that do not match the requirements of tables 1 and 5.3, less than the acceptance number given in table 4.

Allowed the manufacturer to carry out continuous control of surface quality and dimensions of the wire.

At the customer’s request quality control of the surface and the size of the wire is subjected to each coil (coil).

Allowed the manufacturer to control the quality of the surface and the size of wire in the production process.

6.3 For the test of wire tensile and bend selected three coils (coils) from the party. Tensile tests and bending is carried out periodically at the request of the consumer.

6.4 For determining the electrical resistivity taken ten skeins (coils) from the party. If there is less than ten skeins (coils), then check each coil (coil).

6.5 To check the chemical composition of the selected two rolls (coils) of the party.

Allowed the manufacturer to test the chemical composition of the samples taken from the molten metal.

6.6 If unsatisfactory test results of at least one of the indicators (except for surface quality and size) it is carried out a re-test of the doubled sample taken from the same batch.

The results of repeated testing are spreading to the entire party.

7 Methods of inspection and testing

7.1 Inspection of the wire surface is carried out without the use of magnifying devices.

7.2 Measurement of wire diameter of from 0.02 to 0.09 mm and a wire diameter of 0.10 to 0.20 mm high precision optimeter carried out according to GOST 28798 with scale interval 0.001 mm, wire diameter of 0.09 mm — micrometer according to GOST 4381, GOST 6507 with a scale division of 0.01 mm.

Measure the diameter of a wire supplied in coils, is carried out in at least two places, in two mutually perpendicular directions of the same section in the beginning, the end and in the middle of the roll. Allowed to measure the diameter of the wire other devices that provide the necessary measurement accuracy.

Wire diameter from 0.02 to 0.09 mm, inclusive, is allowed to determine the weighting of segments of the wire length of 200 mm in the balance with a weighing error of no more than 1%.

For test result take the average of the results of the three weighings.

The mass of the segment wire length of 200 mm shall be as defined in table 5.


Table 5 — Mass cut depending on the diameter of the wire

If there is disagreement in the determination of the wire diameter is measured with a micrometer according to GOST 6507, GOST 4381.

7.3 For the tensile test from each selected winding (coil) are cut on the same model.

The selection and preparation of the samples is carried out according to GOST 24047. Test wire tensile is carried out according to GOST 10446 on samples with an estimated length of 100 mm.

7.4 Test wire bending is carried out according to GOST 14019. The bending of the wire is carried around the mandrel with a diameter equal to the diameter of the wire, parallel to both ends of the specimen, the wire must not break.

7.5 To determine the chemical composition of each selected winding (coil) are cut on the same model. Selection and preparation of samples for the determination of chemical composition is carried out according to GOST 24231.

The analysis of the chemical composition of the wire is carried out according to GOST 25086, 6689.1 GOST — GOST 6689.22. Allowed to carry out chemical analysis by other methods of equal precision specified. If there is disagreement in the assessment of the chemical composition analysis is carried out according to GOST 25086, 6689.1 GOST — GOST 6689.22.

7.6 electrical resistivity is determined according to GOST 7229 method double bridge for resistance measurement with an accuracy better than 1%.

7.7 the results of the measurements are rounded according to the rounding rules established in ST SEV 543.

8 Packing, marking, transportation and storage

8.1 Wire diameter less than 0.50 mm is wound onto the coil, with a diameter of 0.50 mm or more — are rolled into coils.

Customer’s request wire diameter from 0.50 to 0.80 mm inclusive is allowed to be wound on the coil.

8.2 the Wire shall be rolled into coils or wound on a coil right separatornyi rows, without sharp bends and should be easy to get out of control. The distance between the upper row of the wire and the edge of the cheeks of the coil should be at least 2 mm.

Re-reeling is to eliminate the possibility of rotation of the wire around the coil core.

The coils of wire on a reel or coil must not stick together.

8.3 the wire Ends should be firmly fixed with the free finding the external end and the free unwinding of the wire.

8.4 Each coil or reel shall consist of one piece of wire without splices and knots.

8.5 Each skein should be tied with soft wire with a diameter of not less than 0.35 mm according to GOST 3282 in at least two places symmetrically around the circumference of the roll with the twisting of the ends of the wire at least three turns.

Coils of wire of one party bind in the Bay.

Each coil shall be securely tied with wires of diameter not less than 1 mm Pogost 3282 in at least three places evenly around the circumference of the Bay with a strip of paper according to GOST 8273 in the field of dressing with twisting wire ends at least five turns.

8.6 To each coil or coils, if it is not connected to the Bay, should be labeled, and on each reel shall be pasted label stating:

— trademark or name and trademark of manufacturer;

— the name of the country of manufacturer;

— the legend of the wire;

— batch number;

— stamp of technical control.

8.7 Bays, loops or coils of wire of 1 mm diameter and less shall be Packed in tight wooden boxes of types I, II, III according to GOST 2991 or wooden boxes and metal box pallets according to the technical documentation in accordance with the requirements of GOST and GOST 2991 9570 lined with paper according to GOST 8273, GOST 8828 or cardboard according to GOST and GOST 9347 9421.

Dimensions of boxes — GOST 21140.

Bay coils or wire diameter more than 1 mm should be wrapped around the circumference of nonwoven material (soft wire with bright surface should be previously wrapped in paper according to GOST 8828) according to the technical documentation or other kinds of packaging materials, ensuring the safety of products, with the exception of linen and cotton fabrics, and tied with a steel wire of diameter not less than 0.5 mm according to GOST 3282 or synthetic twine according to GOST 17308 spiral. The outer diameter of a coil or Bay must not exceed 1000 mm.

By agreement with the consumer allowed to use other boxes and other dressings and packing materials, strength is not inferior to the above and ensure quality safety of products.

8.8 Packaging of products sent to the far North and remote areas — according to GOST 15846 in the group «Metals and metal products."

Weight of cargo must not exceed 80 kg.

8.9 the package needs to be formed into transport packets in accordance with the requirements of GOST 24597 and GOST 26663 on pallets according to GOST 9078 and GOST 9557. The formation of the packages from the boxes allowed to exercise and without pallets with the use of wooden bars of size not less than 50, 50 mm, and packages coils wire diameter over 1 mm, using also packageable strop of wire with a diameter of not less than 5 mm according to GOST 3282.

Weight of a transport package shall not exceed 1250 kg, height — 1350 mm.

To ensure the safety of package during transportation and loading and unloading of the transport packets shall be sealed longitudinally and transversely by tying each row of packages wire diameter not less than 3.0 mm according to GOST 3282 with twisting wire ends at least five turns of tape of size not less than 0.3to 30 mm according to GOST 3560, the bonding ends of the castle.

To ensure the stability of the packages when stacked on top of the download package must be installed shield or other device.

8.10 Coils or bays of the wire is allowed to be transported in universal containers according to GOST 20435 or GOST 22225 in box-pallets without packing in boxes, with each Bay or a coil of wire with a diameter of 1.0 mm or less, and soft wire with bright surface should be wrapped around the circumference in the paper according to GOST GOST 8828или 9569 and tied with wires of diameter not less than 0.5 mm according to GOST 3282 spiral.

Bay coils or wire diameter more than 1 mm can be transported in universal containers and closed box pallets without packaging in packaging materials (except for light wires).

During transportation in railway containers, bays, loops or coils of wire needs to be laid and strengthened in such a way as to prevent their movement in the container during transportation.

8.11 In each box or container must be attached to the packing slip, containing:

is the trademark or name and trademark of manufacturer;

— the name of the country of manufacture;

— designation of wire;

— the batch number;

— the net weight;

— gross mass;

— the number of the packer.

8.12 Transport marking under GOST 14192 with the application of manipulation sign «Protect from moisture».

8.13 Wire transporterowych all types of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species. During transportation by railway transport — small and light shipments.

8.14 Wire should be stored in covered premises. When storing and transporting the wire should be protected from mechanical damage, moisture and active chemical substances.

8.15 the consumer wire should be kept in stock in the manufacturer’s packaging for at least two days to equalize the temperature of the wire to the room temperature. After this period, the wire needs to be unpacked.

Under specified conditions of transportation and storage of consumer properties of the wire do not change.

Annex a (informative). Diameters, cross-sectional area and theoretical weight of 1000 m of wire konstantinovoj

Appendix A
(reference)

Table A. 1 — Theoretical weight of 1000 m of wire

Annex B (reference). Electrical resistance wire konstantinovoj

Appendix B
(reference)

Table B. 1

Annex b (informative). Temperature coefficient of electrical resistance wire konstantinovoj

The App
(reference)

Temperature coefficient of electrical resistance wire Constantan brand Kg, 40−1,5 in the temperature range 20°C-100°C is in the range from minus 2 to plus 6·10deg.

Appendix d (mandatory). Weight cut konstantinovoj wire on a reel (reel)

Appendix D
(required)

Table G. 1

The electronic text of the document
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M.: STANDARTINFORM, 2016