GOST 23886-91

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  ГОСТ 23886-91

GOST 23886−91 Leaves and cadmium plate. Specifications

GOST 23886−91
Group В53

STATE STANDARD OF THE USSR

SHEET AND PLATE CADMIUM

Specifications

Cadmium sheets and plates.
Specifications

GST 18 3210

Date of introduction 1992−01−01

INFORMATION DATA

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

DEVELOPERS

O. M. leybov, PhD. tech. Sciences; V. V. Guzeeva

2. APPROVED AND promulgated by the Decree of the State Committee on management of quality and standards from 06.05.91 N 633

3. REPLACE GOST 23886−79

4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS

This standard applies to cold-rolled and hot-rolled sheets and cast plate, designed for use in various industries.

Requirements PP.1.1, 1.2, 1.3.1, 1.4, 1.5, 4.1 and sec. 2 and 3 are mandatory.

1. TECHNICAL REQUIREMENTS

1.1. Sheets and plates manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

1.2. Basic parameters and dimensions

1.2.1. The size of the sheets and slabs and limit deviations thereon shall be as given in the table.

mm

Note. It is possible to produce sheets of a smaller size, but not less than 100 mm in width and 200 mm in length in an amount up to 20% by weight of the party.


Legend sheets and plates are filled according to the scheme:

when the following abbreviations:

method of manufacture:

cold rolled steel, Etc;

HR — G;

cast plate — L;

length:

dimensional — CD;

random — ND.

Instead of the absent indicator is «X».

Examples of symbols:

Steel cold-rolled sheet with a size of 0,5х300 mm, length in multiples of 100 mm of cadmium brand Кд0:

Sheet DPHH 0,5х300 KD 100 Кд0 GOST 23886−91

Plate is cast, size 40х250х550 mm lengths of cadmium brand Кд1:

Plate LPRH 40х250х550 Кд1 GOST 23886−91

1.3. Features

1.3.1. Sheets and plates are made of cadmium and brands Кд0 Кд1 with the chemical composition according to GOST 1467*.
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* On the territory of the Russian Federation GOST 1467−93. — Note the manufacturer’s database.

1.3.2. Sheets and plates are manufactured without heat treatment. Plates are made cast, sheets with a thickness of 8.0 mm and 15.0 — HR.

1.3.3. The leaves should be trimmed evenly. Plates are made uncircumcised.

1.3.4. The surface of the sheets and plates should be free from contamination, hinder visual inspection.

1.3.5. Features

1.3.5.1. Thickness, width and length of sheets and slabs and limit deviations thereon shall be as given in the table.

1.3.5.2. On the surface are not defects that affect the use of sheets and plates by destination and outputting the plates at reference sweep for tolerances for thickness.

On the surface of the leaves allowed traces of the technological lubricant. The color of the traces of the technological lubricant and oxide captivity is not regulated.

1.3.5.3. Cut end Squareness, mm must not exceed the tolerances for width and length. Sheets and plates should not have a significant Burr.

1.3.6. Characteristics of performance that are installed at the customer’s request

1.3.6.1. Mechanical properties of cold-rolled sheets with a thickness of 0.1 mm should be:

the tensile strength of not less than 76 MPa (8 kgf/mm);

elongation not less than 10%.

1.3.6.2. The requirements for surface quality are placed on the samples approved in the established order.

1.3.7. Characteristics of performance established by agreement between the consumer and the manufacturer

1.3.7.1. Sheet and plate can be made of intermediate sizes for the thickness of the extreme deviations for the next big size in table.

1.3.7.2. Sheet and plate can be manufactured with other dimensions, width and length, with maximum deviations in width and length and requirements for surface quality by agreement of the parties.

1.3.7.3. Sheet and plate can be manufactured with the quality requirements for the edges and Cochin cutting, other than those specified in paragraph 1.3.5.3, with mechanical properties according to the agreement of the parties.

1.4. Marking

1.4.1. At the end of each sheet (plate) must be embossed or painted, do not wash off with water

trademark or a trademark and the name of the manufacturer;

mark of cadmium;

thickness;

stamp of technical control.

1.4.2. Transport marking of packages should correspond to GOST 14192*.
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* On the territory of the Russian Federation GOST 14192−96. — Note the manufacturer’s database.

1.4.3. In each box or container must be attached to the packing slip, which indicate:

trademark or a trademark and the name of the manufacturer;

the brand of cadmium;

thickness;

stamp of technical control;

batch number.

1.5. Packaging

1.5.1. The packaging should protect the sheets (plates) from mechanical damage, moisture and active chemical substances.

Sheets (plates) are Packed in boxes according to GOST 2991 type I-III or other boxes of normative-technical documents with dimensions according to GOST 21140 and norms of mechanical strength according to GOST 26838, lined with waterproof paper or grade B In the churchyard 8828.

Allowed shipment of sheets and plates in containers according to GOST 18477 and GOST 15102 without packaging in boxes. Training products to marine transportation — according to GOST 26653*.
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* On the territory of the Russian Federation GOST 26653−90. — Note the manufacturer’s database.

Packaging products in the far North regions and equated areas — according to GOST 15846*.
______________
* On the territory of the Russian Federation GOST 15846−2002. — Note the manufacturer’s database.

Consolidation of cargo carried in transport packets in accordance with GOST 24597.

As means of forming the package is used:

tape according to GOST 3560;

wire according to GOST 3282;

pallets according to GOST 9557

other ways and means of formation of packages according to normative-technical documentation with the requirements of GOST 26663, GOST 24597, GOST and GOST 21650 23238.

Weight of cargo space in covered wagons should not exceed 1250 kg.

2. ACCEPTANCE

2.1. Plates take parties. The party should consist of sheets or plates of one brand of metal, one size in thickness and is decorated with a single document about quality that contains:

the name or trademark of the manufacturer;

the symbol of the leaf (plate);

the results of the tests;

batch number;

the net weight of the batch;

the number of packages.

2.2. Control the appearance and dimensions shall be subjected to each sheet and each plate.

2.3. Allowed the manufacturer the quality control of the surface and the size of the sheets (plates) to carry out the fabrication process while ensuring compliance with quality sheets (plates) the requirements of this standard.

2.4. To determine the chemical composition of selected single sheet or a plate from the party.

Allowed to the manufacturer of the sampling carried out by the molten metal.

2.5. For tensile testing selected three leaves from the party.

2.6. If unsatisfactory test results of at least one of the indicators for PP.2.4 and 2.5 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.

3. CONTROL METHODS

3.1. The inspection of the surface sheets (slabs) is carried out without the use of magnifying devices.

3.2. The thickness of the sheets (plates) of size up to 15 mm measured with a micrometer according to GOST 6507, slabs with a size of 40 mm caliper according to GOST 166. The thickness is measured at a distance of not less than 100 mm from the end and 15mm from the edge.

3.3. The width of the sheet (plate) measuring ruler according to GOST 427, the length — measuring tape according to GOST 7502*.
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* On the territory of the Russian Federation GOST 7502−98. — Note the manufacturer’s database.

3.4. Cosine of the cut sheet (plate) test according to GOST 26887.

3.5. For tensile testing from each selected sheet (plate) cut on the same model. Selection of samples for tensile tests carried out according to GOST 24047. The tensile test is carried out according to GOST 11701.

3.6. To analyze the chemical composition of each selected sheet (plate) cut on the same model according to GOST 24231.

The analysis of the chemical composition of the sheets (plates) is carried out according to GOST 12072.0 — GOST 12072.8 host 17262.1. Allowed to carry out chemical analysis other accelerated methods, not inferior to the accuracy specified.

3.7. It is possible to use statistical methods to control the thickness, width, length, surface quality and mechanical properties of the sheets (plates).

3.8. Allowed the manufacturer to use other methods of testing and measuring instruments, to ensure the necessary accuracy. If there is disagreement in the definition of the indicator control is carried out according to the methods specified in the standard.

4. TRANSPORTATION AND STORAGE

4.1. Sheet and plate transporterowych by all kinds of transport in covered vehicles in accordance with cargo carriage Regulations applicable to transport of this kind, small or carload shipments.

4.2. Sheet and plate should be stored in covered premises. During the transportation and storage of plates shall be protected from mechanical damage, moisture and active chemical substances. Under these conditions the properties of anodes are not changed.



The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
M.: Publishing house of standards, 1991