GOST 13843-78

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  ГОСТ 13843-78

GOST 13843−78 (ST SEV 1562−88) aluminum wire Rod. Specifications (with Amendments No. 1, 2, 3)

GOST 13843−78
(CT CMEA 1562−88)
Group В74

STATE STANDARD OF THE USSR

ALUMINUM WIRE ROD

Specifications

Rod aluminium wire. Technical conditions

GST 17 1213

Validity period from 01.01.80
in terms of clause 4.7 01.01.82
to 01.01.95*
_______________________________
* Expiration removed
Protocol N 4−93 inter-state Council
for standardization, Metrology and certification.
(IUS N 4, 1994). — Note the CODE.

INFORMATION DATA

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

THE DEVELOPERS OF THE STANDARD:

M. D. Lieberman, N. With. Zobnina

2. APPROVED AND promulgated by the Decree of the State Committee of standards of Ministerial Council of the USSR from 08.06.78 No. 1561

3. The term of the first scan — 1984

The frequency of inspection — 5 years

4. The standard fully complies ST SEV 1562−88

5. INSTEAD 13843−68 GOST and GOST 5.807−74

6. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

The designation of the reference document referenced	Item number
GOST 1497−84	4.4
GOST 1545−80	4.4 and
GOST 3221−85	4.1
GOST 6507−90	4.2
GOST 7229−76	4.5
GOST 11069−74	2.1, 2.3
GOST 18690−82	5.1
GOST 26877−86	4.2

7. REPRINT (may, 1990) with Amendments No. 1, 2, 3, approved in April 1984, December 1988, October 1989 (IUS 7−84, 2−89, 2−90)

8. Validity extended until 01.01.95 Decree of the USSR State Committee on management of quality and standards N 3946 from 05.12.88


This standard applies to aluminum wire rod obtained by continuous casting and rolling for the manufacture of wire and other electrical purposes.

The standard specifies requirements for aluminum wire rod, manufactured for the needs of national economy and for export.

(Changed edition, Rev. N 2).

1. AND SIZES

1.1. Rod should be made of five brands:

ACLP-M — soft;

AKLP-PT — semi-solid;

ACLP-T1 ACLP-T2 ACLP-T3 — rigid.

Depending on the specific resistance of the DC soft and semi-hard wire rod made of the first, second and third class, solid — first and second classes.

In the first and second grades, the specific resistivity is determined by wire rod;

in the third grade — specific electrical resistivity is determined on an outstretched rod of annealed wire.

(Changed edition, Rev. N 3).

1.2. The diameters of the rod and limit deviations thereon shall be as specified in table.1.

OKP codes are given in the informational Appendix 2.

Table 1

mm

Nominal diameter	Limit deviation for diameter of wire rod grades
ACLP-M, ACLP-FRI	ACLP-T1	ACLP-T2 ACLP-T3
9	±0,3	±0,3	±0,3
9,5	±0,3	±0,3	±0,3
11,5	±0,4	±0,4	-
12	±0,4	-	-
14	±0,5	-	-
15	±0,5	-	-
18	+0,8 -0,3	-	-
19	±0,8	-	-
23	±1,0	-	-
25	±1,0	-	-

(Changed edition, Rev. N 1, 2,3).

1.3. (Deleted, Rev. N 1).

1.4. On demand of the consumer is allowed to produce wire rod of other nominal diameters, the maximum deviation should correspond to the nearest larger the size specified in table.1.

(Changed edition, Rev. N 1).

1.5. Ovality of wire rod shall not exceed:

for diameters up to 10 mm — 0.4 mm,

for diameters over 10 to 15 mm — 0.6 mm and for diameters over 15 mm at 0.9 mm.

Examples of callouts

Rod of the first class, semi-solid, brand ACLP-FRI, A5E made of aluminium with a diameter of 9 mm:

Rod I AKLP-PT-5E-9 GOST 13843−78

The same, second class, from the brand A7E aluminium, diameter 11,5 mm

Rod II ACLP-FRI-7TH-11,5 GOST 13843−78

(Changed edition, Rev. N 3).

2. TECHNICAL REQUIREMENTS

2.1. Wire rod manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

Rod brands ACLP and ACLP-FRI of the first and third classes shall be made of aluminum brand A5E, the second aluminum brand A7E GOST 11069−74*.
_______________
* On the territory of the Russian GOST 11069−2001, hereinafter. — Note the CODE.

Solid rod (brand ACLP-T1 ACLP-T2 ACLP-T3) of the first and second classes respectively shall be manufactured from aluminium A7E and A5E brands with a mass fraction of iron up to 0.4% amounts of impurities titanium, vanadium, manganese and chromium, up to 0.01%.

On demand of the consumer is allowed to produce wire rod brands ACLP and ACLP-FRI with a mass fraction of iron no more than 0.16%.

(Changed edition, Rev. N 3).

2.2. Rod throughout the length must have a clean, smooth surface without foreign inclusions, cracks, sunsets, Priazov, burrs, shells, shells, dents, the size (depth or height) exceeds the tolerances set in table.1.

(Changed edition, Rev. N 2).

2.3. Mechanical properties and electrical resistivity of wire rod, DC current shall be as specified in table.2. Customer’s request wire rod brand ACLP-FRI must be manufactured with a relative elongation of at least 15%.

Table 2

Grade of wire rod	Rupture strength, MPa	Electrical resistivity at a temperature of 20 °C, Ohm·mm/m, not more
Class I	Class II	Class III
ACLP-M	Not more than 80	0,0280*	0,0277*	According to GOST 11069−74
ACLP-FRI	At least 83	0,0281*	0,0280*	According to GOST 11069−74
ACLP-T1	Not less than 98	0,0281	0,0280	-
ACLP-T2	At least 105	0,0281	0,0280	-
ACLP-T3	At least 110	0,0282	0,0281	-

_______________
* Only for wire rod with diameter of 9 and 9.5 mm.


(Changed edition, Rev. N 3).

2.4. (Deleted, Rev. N 3).

2.5. (Deleted, Rev. N 1).

2.6. Wire rods of all brands must be able to withstand the technological test of drawing. This should not be more than one open on two tons of wire rod, the defects of a metallurgical nature (sunsets, films, sinks, foreign inclusions).

(Changed edition, Rev. N 1).

2.7. (Deleted, Rev. N 1).

2.8. Wire rods must be reeled in Bay one cut weight from 600 to 2500 kg.

(Changed edition, Rev. N 3).

2.9. Wire rods must be wound in coils without entanglement, perekrashivaniya and sticking of the coils, impeding the free unwinding when it is drawn. The winding density to ensure the integrity of the bays on the operations of transportation and packing.

(Changed edition, Rev. N 2).

2.10. Customer’s request wire rod has to withstand a number of twists (tab.3) in two directions without cracking or destruction of the sample.

Table 3

Nominal diameter, mm	The number of twists
9,0	5/5
SV. Of 9.0 to 15.0	4/4

(Added, Rev. N 2).

3. ACCEPTANCE RULES

3.1. Rod accepted by the parties. The party should consist of a rod of the same class, the same trademark, one or more trunks and one size.

Each batch of wire rod is accompanied by a quality document in which you specify:

trademark or the name and trademark of manufacturer;

the diameter of the rod;

brand rod;

the room melt;

electrical resistivity;

mechanical properties;

the weight of the batch;

batch number;

the number of bays in the party.

(Changed edition, Rev. N 1, 2).

3.2. Checking for compliance with the requirements of PP.2.2; 2.8 and 2.9 should be in every Bay rod and PP.1.2; 2.1; 2.3; 2.10 — 2% bays, but not less than one Bay from the party.

Checking for compliance with the requirements of PP.2.6 should be 2% of the bays, but not less than two bays from the party.

(Changed edition, Rev. N 2, 3).

3.3. Check for compliance with the requirements of section 2.3 in the part of electrical resistivity of wire rod in the third grade, PP.2.6 and 2.9 in terms of sticking of the turns should be made from the consumer.

(Changed edition, Rev. N 3).

3.4. If unsatisfactory test results of at least one of the indicators for him to repeat the test at twice the number of bays taken from the same batch.

The results of repeated tests apply to the entire party.

4. TEST METHODS

4.1. Determination of the chemical composition of wire rod produced according to GOST 3221−85 or other methods of equal accuracy standard. In case of disagreement the determination of chemical composition of wire rod produced according to GOST 3221−85.

(Changed edition, Rev. N 2).

4.2. The measurement of the rod diameter should be not less than in two places: at the beginning and at the end of the Bay at a distance of not less than 1 m from the end. The measurement is performed with a micrometer according to GOST 6507−78 or other measuring instruments with an accuracy of 0.1 mm. For the result is taken the arithmetic average of the maximum and minimum values in each measured section.

Check ovality of wire rod according to GOST 26877−86*.
_______________
* Valid GOST 26877−91. — Note the CODE.

(Changed edition, Rev. N 2, 3).

4.3. Check the quality of the rod surface according to claim 2.2 should be a visual inspection of the outer turns of the coils.

Sweep detected defects must be made in the plane of the length of 8 mm to the disappearance of defects.

For the value of the defect take the difference between the diameter of wire rod, measured near the denuded place, and the rod diameter, in place, which made the sweep. Measurements are allowed to carry out defect indicator depth gauge according to GOST 7661−67.

Checking for compliance with the requirement of item 2.9 is carried out visually on the geometry of the outer turns of the Bay. No sticking of the coils define when conducting a technology preview drawing.

(Changed edition, Rev. N 1, 2).

4.4. Control of mechanical properties of wire rod produced according to GOST 1497−84 on samples with an initial estimated length 200 mm, taken at a distance of not less than 1 m from either the start or end of the Bay.

(Changed edition, Rev. N 2).

4.4. Torsion testing is carried out according to GOST 1545−80 on the sample with working length 300 mm, taken at a distance of not less than 1 m from either the start or end of the Bay.

(Added, Rev. N 3).

4.5. Electrical resistivity of wire rod test according to GOST 7229−76 on samples with an estimated length of 1 m, taken at a distance of not less than 1 m from either the start or end of the Bay.

The cross-sectional area of the samples is determined by calculating the weight, taking the density of aluminium is 2,703 g/cm.

4.6. Technological sample drawing is carried out on multiple machine in a single operation in the following way: diameters of 9 and 9.5 mm up to a diameter of 1.7−2.0 mm; diameter of 11.5 mm and above — with a total compression of 50−70%.

Permitted clipping of the technological sample, if the place is open there are no defects of metallurgical character.

4.5−4.6. (Changed edition, Rev. N 1, 2).

4.7. (Deleted, Rev. N 1).

5. PACKING, MARKING, TRANSPORTATION AND STORAGE

5.1. Packing, marking, transportation and storage of wire rod should be made according to GOST 18690−82.

5.2. Each Bay needs to be tied with segments of wire rod or waste aluminum wire in at least three places to ensure the integrity of the bays during transportation. Allowed dents on the rod surface from the studs, lying within a single tolerance on the diameter.

Rod intended for export, and by agreement with the consumer allowed the use of packaging according to normative-technical documentation.

5.3. Transport marking under GOST 14192−77*.
_______________
* On the territory of the Russian Federation GOST 14192−96. — Note the CODE.

Each coil of wire rod shall be fitted with a label indicating:

the trademark or name and trademark of manufacturer;

heat number;

rooms Bay;

mass Bay;

brand rod;

the rod diameter in millimeters;

stamp of technical control;

the date of manufacture.

Stamp of technical control is allowed to affix the seal, which is fixed on the Bay after her strapping.

5.2, 5.3. (Changed edition, Rev. N 1, 2).

5.4. (Deleted, Rev. N 2).

5.5. (Deleted, Rev. N 1).

5.6. The transportation rod must be held in covered railway wagons in carload shipments.

By agreement with the consumer allowed to transport Bay of the rod in open wagons.

Loading and unloading operations are carried out according to the scheme given in mandatory Appendix 1.

(Changed edition, Rev. N 1, 2).

5.7. Wire rods must be stored in closed premises in conditions excluding mechanical damage, moisture, dirt and chemicals.

(Changed edition, Rev. N 2).

ANNEX 1 (mandatory). The scheme of loading bays wire rod

ANNEX 1
Mandatory

a) a crane; b) fork-lift truck

1 — Bay; 2 — protecting the gasket (rubber, felt, wood, etc.); 3 — capture

(Changed edition, Rev. N 1, 2).

ANNEX 2 (informative)

ANNEX 2
Reference

OKP codes
Diameter, mm	ACLP-M 17 1213 0100			ACLP-FRI 17 1213 0200
Class I	Class II	Class III	Class I	Class II	Class III
9,0	17 1213 0101	17 1213 0102	17 1213 0103	17 1213 0201	17 1213 0202	17 1213 0203
9,5	17 1213 0104	17 1213 0105	17 1213 0106	17 1213 0204	17 1213 0205	17 1213 0206
11,5	-	-	17 1213 0107	-	-	17 1213 0207
12,0	-	-	17 1213 0108	-	-	17 1213 0208
14,0	-	-	17 1213 0109	-	-	17 1213 0209
15,0	-	-	17 1213 0110	-	-	17 1213 0210
18,0	-	-	17 1213 0111	-	-	17 1213 0211
19,0	-	-	17 1213 0112	-	-	17 1213 0212
23,0	-	-	17 1213 0113	-	-	17 1213 0213
25,0	-	-	17 1213 0114	-	-	17 1213 0214

Continued

OKP codes
Diameter, mm	ACLP-T1 17 1213 0300		ACLP-T2 17 1213 0400		ACLP-T3 17 1213 0500
Class I	Class II	Class I	Class II	Class I	Class II
9,0	17 1213 0301	17 1213 0302	17 1213 0401	17 1213 0402	17 1213 0501	17 1213 0502
9,5	17 1213 0303	17 1213 0304	17 1213 0403	17 1213 0404	17 1213 0503	17 1213 0504
11,5	17 1213 0305	17 1213 0306	-	-	-	-
12,0	-	-	-	-	-	-
14,0	-	-	-	-	-	-
15,0	-	-	-	-	-	-
18,0	-	-	-	-	-	-
19,0	-	-	-	-	-	-
23,0	-	-	-	-	-	-
25,0	-	-	-	-	-	-

(Changed edition, Rev. N 3).