GOST 5529-75
GOST 5529−75 brass round Wire for Shoe industry. Specifications (with Amendments No. 1, 2)
GOST 5529−75
Group В74
STATE STANDARD OF THE USSR
BRASS ROUND WIRE FOR SHOE INDUSTRY
Specifications
Brass round wire for shoe industry. Specifications
GST 18 4590
Date of introduction 1977−01−01
Promulgated by decree of the State Committee of standards of Ministerial Council of the USSR from
The expiration time limit is removed by the resolution of Gosstandard dated
REPLACE GOST 5529−50
REVISED (June 1998) with Amendments No. 1, 2 approved in December 1985, April 1991 (IUS 4−86, 6−91)
This standard applies to brass round wire for the manufacture of spiral wire and nails used in Shoe industry.
The requirements of this standard are recommended.
(Changed edition, Rev. N 3).
1. ASSORTMENT
1.1. Wire produced with a diameter of 2.02−0.04 mm.
1.2. Ovality of wire should not exceed 0,02 mm.
1.3. Theoretical weight of 1000 m of wire should be 27, 22 kg.
The legend of the wire are tabulated according to the scheme:
| when the following abbreviations: | ||
| method of manufacture: | cold-deformed (drawn) | — D; |
| sectional shape: | round | — CU; |
| condition: | soft | — M; |
| length: | Hanks, Bay | — BT; |
| Instead of the missing data is «X». | ||
Example of designation of wire diameter of 2.02 mm brass brands L63:
Wire DKRM of 2.02 BT L63 GOST 5529−75
(Changed edition, Rev. N 1).
2. TECHNICAL REQUIREMENTS
2.1. Wire produced in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.
Wire made of brass brands L63 with the chemical composition according to GOST 15527−70.
2.2. Wire produced soft (annealed).
2.1, 2.2. (Changed edition, Rev. N 1).
2.3. The surface of wire should be clean, smooth, captivity, cracks, wooloowin, sinks, bundles. Allowed separate dents, small films, marks and scratches, not deducing the diameter of the wire in the control sweep for maximum deviations.
2.4. Kink the wire should be uniform, without foreign inclusions, delaminations, voids and bubbles.
2.5. Temporary resistance of the wire should be 40 to 46 kgf/mm(390−450 MPa).
Tensile strength of wire in one reel must not vary by more than 3 kgf/mm(30 MPa).
Elongation after rupture of the wire should be not less than 22%.
(Changed edition, Rev. N 1).
2.6. (Deleted, Rev. N 1).
2.7. The mass of the coil wire should be not less than 20 kg.
2.8. The wire should have a grain size of from 9 to 30 microns.
(Changed edition, Rev. N 1).
3. ACCEPTANCE RULES
3.1. Wire is accepted by the parties.
The party must be issued a document about quality that contains:
is the trademark or name and trademark of manufacturer;
— designation of wire;
— the batch number;
the weight of the party;
— number of coils (coils);
— test results.
The weight of the batch shall be not more than 2000 kg.
(Changed edition, Rev. N 1).
3.2. Quality control of the surface and the measurement shall be subjected to each coil of wire.
3.3. To check the mechanical properties, the quality of the fracture and the grain size are selected 10% of the coils, but not less than five skeins from the party.
(Changed edition, Rev. N 1).
3.3. To check the chemical composition of the selected two rolls from the party.
Allowed the manufacturer to test the chemical composition of the sample taken from the molten metal.
(Added, Rev. N 1).
3.4. If unsatisfactory test results of at least one of the indicators, it conducted a re-test at twice the sample taken from the same batch.
The results of repeated tests apply to the entire party.
(Changed edition, Rev. N 1).
4. TEST METHODS
4.1. Inspection of the wire surface is carried out without the use of magnifying devices.
4.2. Measurement of wire diameter and ovality is carried out in two mutually perpendicular directions of the same section of a micrometer according to GOST 6507−90 or other tool to ensure the required measurement accuracy.
4.3. For the tensile test from each selected coil cut out one sample from both ends of a coil. Sampling for tensile tests carried out according to GOST 24047−89.
Mechanical properties of the wire determined according to GOST 10446−80.
4.4. To obtain the fracture wire subjected to bending with a bend around the roller with a diameter of 10 mm.
Inspection of the fracture is carried out without the use of magnifying devices. To check break take one sample from both ends of each selected roll.
4.5. To determine the chemical composition of each selected coil cut on the same model. Selection and preparation of samples for the determination of chemical composition is carried out in the churchyard 24231−80.
The chemical composition of the wire is determined according to GOST 1652.1−77 — GOST 1652.3−77, GOST 1652.6−77, GOST 1652.7−77, GOST 1652.13−77, GOST 25086−87, GOST 9716.1−79 — GOST 9716.3−79 or other methods providing the required accuracy.
If there is disagreement in the assessment of the chemical composition wire analysis is carried out according to GOST 1652.1−77 — GOST 1652.3−77, GOST 1652.6−77, GOST 1652.7−77, GOST 1652.13−77,GOST 25086−81, GOST 9716.1−79 — 9716.3 GOST-79.
4.6. Measurement of grain size is performed on the micro-sections of the longitudinal section according to GOST 21073.0−75 — GOST 21073.4−75.
Sec. 4. (Changed edition, Rev. N 1).
5. PACKING, MARKING, TRANSPORTATION AND STORAGE
5.1. The wire is wound into skeins right, separatornyi rows, without sharp bends.
(Changed edition, Rev. N 1).
5.2. (Deleted, Rev. N 1).
5.3. Each coil of wire shall consist of one segment.
5.4. Each coil of wire shall be tied with wires of diameter not less than 0.5 mm according to GOST 3282−74 in at least two places evenly around the circumference of a coil with twisted wire at least three turns.
5.5. 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 according to GOST 3282−74 in at least three places evenly around the circumference of the Bay with a strip of paper GOST 8273−75 in the field of dressing with a twist of wire at least five turns.
5.6. To each ball, if it is not connected to the Bay, or the Bay must be attached to plywood or metal label indicating:
— trademark or name and trademark of manufacturer;
— the legend of the wire;
— batch number;
— stamp of technical control.
5.7. Bay or coils of wire must be wrapped with non-woven fabric material according to normative-technical documentation, with the exception of linen and cotton fabrics, and tied with wires of diameter not less than 1 mm according to GOST 3282−74 in at least two places evenly around the circumference of a coil or Bay. The outer diameter of the Bay must not exceed 1000 mm.
Bay or coils of wire can be transported in universal containers according to GOST 20435−75 or GOST 22225−76 without packing in the packing material.
Packaging products in the far North and remote areas — according to GOST 15846−79.
In each container should be nested packing list with indication of the data is given in section 5.6, as well as gross and net.
Weight of cargo must not exceed 80 kg, At mechanized loading and unloading is allowed the increased weight of the package.
5.3−5.7. (Changed edition, Rev. N 1).
5.8. The package needs to be formed into transport packets in accordance with the requirements of GOST 24597−81. Packaging is carried out on pallets according to GOST 9078−84. The formation of the packages can and roll with the use of wooden bars of size not less than 50x50 mm. Transport packets are held together by the strapping in the longitudinal and transverse directions with wire of diameter not less than 3 mm according to GOST 3282−74 or tape not less than 0,2x30 mm according to GOST 3560−73. Binding: wire — stranding at least five turns of tape in the castle.
The weight of packages should not exceed 1250 kg.
(Changed edition, Rev. N 1, 3).
5.9. Transportation of wire is held by all kinds of transport in covered vehicles in accordance with cargo carriage regulations applicable to transport of this species.
5.10. Transport marking — according to GOST 14192−96.
5.11. Wire is stored in covered premises under conditions preventing them from mechanical damage and contamination of moisture and active chemical substances, especially vapors of acids and ammonium compounds.
5.9−5.11. (Changed edition, Rev. N 1).
