GOST 5638-75

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  ГОСТ 5638-75

GOST 5638−75 copper roll Foil for technical purposes. Specifications (with Amendments No. 1, 2, 3)

GOST 5638−75

Group В53

STATE STANDARD OF THE USSR

COPPER FOIL ROLL
FOR TECHNICAL PURPOSES

Specifications

Copper roll foil for technical purposes.
Specifications

GST 18 4440

Valid from 01.01.76
before 01.01.96*
______________________________
* Expiration removed
Protocol 5−94 N Interstate Council
for standardization, Metrology and certification.
(IUS N 11−12, 1994). — Note the CODE.

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the Ministry of nonferrous metallurgy of the USSR

DEVELOPERS

Sawakin Y. F., doctor of engineering. Sciences; A. I. Knyazev; G. A. Goreglyad

2. APPROVED AND promulgated by the Decree of the State Committee of standards of Ministerial Council of the USSR from 01.04.75 N 825

3. REPLACE GOST 5638−51

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

5. Validity extended until 01.01.96 Decree of the USSR State Committee on management of quality and standards from 12.03.90 N 379

6. REPRINT (October 1993) with Amendments No. 1, 2, 3, approved in November 1980, April 1985, March 1990 (IUS 1−81, 7−85, 6−90)


This standard applies to cold rolled foil of copper, intended for use in instrumentation and other industries.

(Changed edition, Rev. N 1).

1. ASSORTMENT

1.1. Thickness and foil width and the maximum deviations thereon shall be as specified in the table.

mm

Note. Theoretical weight of 1 mof foil is given in Appendix 1.


Legend foil are put on the scheme

When the following abbreviations:

method of manufacture:

cold-deformed (cold rolled) — D;

sectional shape:

rectangular — OL;

precision manufacturing:

normal — N;

increased — P;

condition:

solid — T;

length:

random — ND.

Example of designation foil cold-drawn, of rectangular cross section, the normal precision manufacturing, rigid, thickness 0,030 mm, width 100 mm, random length, made of copper marks M1

Foil DPRNT 0,030100 ND M1 GOST 5638−75.

(Changed edition, Rev. N 1, 2, 3).

2. TECHNICAL REQUIREMENTS

2.1. Foil should be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner. Foil made of copper grades M1 and M2 with the chemical composition according to GOST 859−78.

(Changed edition, Rev. N 2).

2.2. Foil made solid.

2.3. Interim resistance should be not less than 290 MPa (30 kgf/mm).

(Changed edition, Rev. N 2).

2.4. Foil surface should be clean, smooth and smooth, without nicks and scratches. On the surface of the foil is not allowed traces of lubricants.

On the surface of the foil slight defects may be allowed, if in the control sweep, they do not bring the foil over the limit deviation on thickness.

On the edges of the foil are not allowed burrs and tears. The edge of the foil should not have bent.

On the foil thickness 0,015−0,030 mm permitted small isolated holes visible to the naked eye against the light, not having stroke locations, and local clusters.

On the foil with a width of 50 mm and less color tint is allowed no more than 20% of the bales from the party. On the edge of the foil width up to 50 mm allowed the color of the tint.

2.5. Foil is wound on a metal sleeve inside diameter 32−36 mm and an outer diameter of 40 mm, and the length of the sleeve should be equal to the width of the foil, with a tolerance of ±0.5 mm.

2.6. The roll diameter should be not less than 100 mm. Allowed the coils with a diameter of 80−100 mm in an amount of not more than 25% of the rolls of the party.

(Changed edition, Rev. N 2).

2.7. The foil should be wound with tension that does not allow displacement of the individual turns of the coil and the loss or displacement of the bushing while turning the coil by 180°.

The ends of the roll should be smooth, clean, free of nicks, dings and dirt.

(Changed edition, Rev. N 2).

2.8. Foil all over the coil needs to go freely. The roll is allowed no more than eight breaks.

3. ACCEPTANCE RULES

3.1. Foil take parties. The party should consist of a foil of copper of the same brand, same size, same precision workmanship and must be issued a document about quality that contains:

trademark or the name and trademark of manufacturer;

the symbol foil;

the results of the tests (at the request of the consumer);

the number of seats;

batch number;

the weight of the batch.

The mass of the party must be not more than 500 kg.

(Changed edition, Rev. N 2).

3.2. Control of surface quality and dimensions shall be made on each roll of the party.

3.3. To check the chemical composition of the selected three rolls from the party.

3.4. For tensile tests from party foil selected three rolls.

3.5. If unsatisfactory test results on at least one of the indicators, it conducted a re-test of the doubled sample taken from the same batch.

The results of repeated tests apply to the entire party.

3.3.-3.5. (Changed edition, Rev. N 1).

4. TEST METHODS

4.1. To control the quality of the surface and the dimensions of each wound coil of 3−5 m foil.

4.2. Check the surface quality of the foil produced without the use of magnifying devices.

Methods of control through-holes in the foil with a thickness of 0.015−0,030 mm are shown in Annex 2.

(Changed edition, Rev. N 2).

4.3. Measurement of foil thickness measuring head is carried out according to GOST 28798−90.

The measurement of the width of the foil is carried out with a Vernier caliper according to GOST 166−89 or other tool, to ensure the necessary accuracy.

(Changed edition, Rev. N 2, 3).

4.4. For the tensile test from each selected roll, cut one sample in the direction of rolling.

The test foil in tension shall be carried out according to GOST 11701−84 the samples of types I and II with a =12.5 mm and .

(Changed edition, Rev. N 1, 2, 3).

4.5. Analysis of the chemical composition of the foil should be carried out according to GOST 13938.1−78 — GOST 13938.12−78 and GOST 13938.13−77.

The selection and preparation of samples determination of chemical composition is carried out according to GOST 24231−80.

(Changed edition, Rev. N 2).

5 PACKING, MARKING, TRANSPORTATION AND STORAGE

5.1. Each roll of foil must be wrapped with a paper tape according to GOST 8273−74* a width equal to the width of the foil, and wrapped in waxed paper 9569−79 churchyard.
_______________
* Probably a mistake of the original. Should read GOST 8273−75. — Note the CODE.

Allowed to use other packaging materials that do not deteriorate the quality of foil.

5.2. The foil rolls should be tightly Packed in wooden boxes of types I, II according to GOST 2991−85 with the laying of wood chips or other material that protects the foil from damage. Dimensions of boxes — GOST 21140−88 or according to normative-technical documentation.

Boxes should be lined on the inside in waterproof paper GOST 8828−85* and sheathed at the ends of a soft tape dimensions 0.3 mm20 mm according to GOST 3560−73 or wire with diameter not less than 2 mm according to GOST 3282−74.
_______________
* Probably a mistake of the original. Should read GOST 8828−89. — Note the CODE.

Weight of cargo must not exceed 80 kg.

Allowed the rolls of foil to be transported in universal containers according to GOST 20435−75 or in specialized containers according to normative-technical documentation without packaging in boxes. Each row shift cushioning material according to GOST 7376−89.

5.1; 5.2. (Changed edition, Rev. N 2).

5.2. Consolidation packages in overpacks carried out on pallets according to GOST 9557−87 or without pallets with the use of bars not less than 50 mm, with the piping in the longitudinal and transverse directions with wire of diameter not less than 2 mm according to GOST 3282−74 or tape sizes not less than 0.3 mm30 mm according to GOST 3560−73. Binding: wire — stranding at least 5 turns of tape to the castle.

(Added, Rev. N 2, 3).

5.3. On each roll of foil must be a label stating:

the trademark or name and trademark of manufacturer;

legend foil;

batch number;

the date of manufacture.

stamp of technical control Department.

5.4. Transport marking of packages — according to GOST 14192−77 with application of manipulation signs «Afraid of dampness," «Caution, fragile."

5.3; 5.4. (Changed edition, Rev. N 2).

5.5. (Excluded, N 2).

5.6. When storing, the foil must be protected from moisture, mechanical damage and exposure to active chemical substances. The foil should be stored in dry storage facilities on racks, a padded, unpacked, wrapped in waxed paper. Under specified storage conditions consumer properties of foil when storing do not change.

(Changed edition, Rev. N 3).

5.7. Transportation of the foil is carried out by all kinds of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species.

(Changed edition, Rev. N 2).

5.8. When transporting the foil must be protected from moisture, mechanical damage and effects of the active chemicals.

(Changed edition, Rev. N 2, 3).

ANNEX 1 (reference). THEORETICAL WEIGHT of 1 square meter of FOIL

ANNEX 1
Reference

THEORETICAL WEIGHT of 1 mof FOIL

The theoretical mass of the foil is calculated based on nominal thickness. The density of copper is taken equal to 8.9 g/cm.

(Added, Rev. N 2).

APPENDIX 2 (recommended). METHODS of CONTROL THROUGH-HOLES IN a MEASURING ROLL FOIL FOR TECHNICAL PURPOSES with a THICKNESS of 0.015−0,030 mm

ANNEX 2
Recommended

1. Control the number of through holes made on a piece of foil with a length of 2 m, taken from the roll not closer than 1 m from its end.

2. Counting the number of holes made on the device, whose scheme is shown in the drawing.

Drawing

The device is manufactured in the shape of a box, inside of which provides sufficient lighting. At the top of the box cut a hole of rectangular shape, in which the set grid cells with an area of 1 DM.

3. Counting the number of holes produced visually.