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Homepage>BS Standards>53 MATERIALS HANDLING EQUIPMENT>53.040 Continuous handling equipment>53.040.20 Components for conveyors>BS 2969:1980 Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs
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immediate downloadReleased: 1980-11-28
BS 2969:1980 Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs

BS 2969:1980

Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs

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Standard number:BS 2969:1980
Pages:26
Released:1980-11-28
ISBN:0 580 11386 8
Status:Standard
DESCRIPTION

BS 2969:1980


This standard BS 2969:1980 Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs is classified in these ICS categories:
  • 53.040.20 Components for conveyors

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).