{"id":608377,"date":"2024-11-05T22:41:38","date_gmt":"2024-11-05T22:41:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-23300-12021\/"},"modified":"2024-11-05T22:41:38","modified_gmt":"2024-11-05T22:41:38","slug":"iso-23300-12021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-23300-12021\/","title":{"rendered":"ISO 23300-1:2021"},"content":{"rendered":"

This document specifies requirements concerning the approval and\/or homologation of welding processes, contractors, welders, inspectors and acceptance of welded joints in the factory and\/or track.<\/p>\n

This document is applicable to the following rail welding processes:<\/p>\n

    \n
  1. flash butt welding (FBW);<\/li>\n
  2. gas pressure welding (GPW);<\/li>\n
  3. aluminothermic welding (ATW);<\/li>\n
  4. enclosed arc welding (EAW).<\/li>\n<\/ol>\n

    In this document, 43\u00a0kg\/m to 75\u00a0kg\/m new flat-bottomed rails of the same profiles and same steel grades are used as the subject of welding.<\/p>\n

    This document does not specify requirements or test methods specific to each welding process. These are to be prescribed in the subsequent parts of the ISO\u00a023300 series.<\/p>\n

    Concerning butt welding, this document is restricted to connecting rail ends.<\/p>\n

    This document does not cover the welding for construction of crossings, railway switches, signal bond installation or restoration of rails.<\/p>\n

    This document does not cover any safety regulations for welding operations.<\/p>\n

    In this document, the qualifications of individuals and organizations that are approved by the railway authority for rail welding are not specified.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Railway infrastructure \u2014 Rail welding \u2014 Part 1: General requirements and test methods for rail welding<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    ISO<\/b><\/a><\/td>\n2021-08<\/td>\n50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":608388,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[778,2634],"product_tag":[],"class_list":{"0":"post-608377","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-45-080","7":"product_cat-iso","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\/608377","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\/608388"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=608377"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=608377"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=608377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}