【国外标准】 Standard Specification for Steel Track Spikes (Withdrawn 2022)

This specification covers steel track spike to be used as fastenings between railroad rails, tie plates, and ties. Several tests shall be conducted, namely: heat or cast analysis; alternative analysis; alternative tension test; product analysis; body bend test; and head bend test. Heat and product analysis shall be performed wherein steel materials shall conform to the required chemical composition for carbon, manganese, phosphorous, sulfur, silicon, and copper. Steel specimens shall also undergo tensile tests and conform to required values of yield point, tensile strength, and elongation.1.1 This specification covers steel track spikes used as fastenings between railroad rails, tie plates, and ties.1.2 Three grades of spikes are described, Grades 1, a lower carbon steel; Grade 2, a higher carbon steel; and Grade 3, a carbon structural steel, conforming to Specification A36/A36M.1.3 Supplementary Requirement (S1) are provided for use and shall only apply when specified in the purchase order.1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.