{"id":265980,"date":"2024-10-19T17:44:51","date_gmt":"2024-10-19T17:44:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-29691980\/"},"modified":"2024-10-25T13:44:28","modified_gmt":"2024-10-25T13:44:28","slug":"bs-29691980","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-29691980\/","title":{"rendered":"BS 2969:1980"},"content":{"rendered":"

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:<\/p>\n

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

    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.<\/p>\n

    Chains covered by this International Standard are not designed for lifting appliances, such as cranes and slings.<\/p>\n

    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).<\/p>\n","protected":false},"excerpt":{"rendered":"

    Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n1980<\/td>\n26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":265987,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[842,2641],"product_tag":[],"class_list":{"0":"post-265980","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-53-040-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/265980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/265987"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=265980"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=265980"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=265980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}