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  • BSI
    BS 2969:1980, ISO 610-1979 Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs
    Edition: 1980
    $435.35
    / user per year

Description of BS 2969:1980 1980

This International Standard specifies the requirements for a range of high grade special purpose calibrated, high-tensile, electrically welded, steel chains (round link) for use with machines and equipment in mining, such as the following:

  1. conveyors, flexible and rigid, of the chain type, chain belt conveyors, gate end and stage loaders;
  2. coal ploughs, coal cutters and power loaders;
  3. bucket elevators;
  4. other similar machines used in mines.

This International Standard covers a size range from 14 to 30 mm. Three grades of quality (B, C and D) are specified with regard to the mechanical properties of chain. The values given for grade D in Table 3, Table 4, Table 7 and Table 8 are, however, provisional.

Chains covered by this International Standard are not designed for lifting appliances, such as cranes and slings.



Calibrated chains having links 14 mm to 30 mm diameter, three grades (B, C and D). Dimensions, material, test requirements, marking, inspection, test certificate (not for lifting purposes).

Standard NumberBS 2969:1980, ISO 610-1979
TitleSpecification for high-tensile steel chains (round link) for chain conveyors and coal ploughs
StatusConfirmed
Publication Date1980-11-28
Identical National Standard OfISO 610:1979
DescriptorsMass, Colour codes, Chain pitch, Graphical methods, Acceptance (approval), Breaking load, Fatigue testing, Mining equipment, Dimensions, Calibrated chains, Conveyor chains, Elongation at fracture, Anchorages, Tensile testing, Steels, Link chains, Chains, Statistical methods of analysis, Coal mining, Statistical quality control, Test specimens, Elongation, Impact testing, High-tensile steels, Mineral extraction equipment, Grades (quality), Dimensional tolerances, Acceptance inspection, Mechanical testing, Testing conditions, Marking, Bend testing
ICS53.040.20 Components for conveyors
CommitteeMRE/1
ISBN0 580 11386 8
PublisherBSI
Pages26

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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