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Specification for high tensile steel chain (round link) for coal face machines and chain 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:
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).
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