This part specifies the technical requirements, inspection methods, inspection rules and marking, packaging, storage and transportation of covers. This section applies to cover plates for high-speed railway turnout fasteners.
GB/T 1348 Spheroidal graphite iron castings*， 2019-12-31 Update
GB/T 1682 Rubber,vulcanized.Determination of low-temperature brittleness.Single test piece method*， 2014-12-31 Update
GB/T 1690 Rubber,vulcanized or thermoplastic.Determination of the effect of liquids
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 3512 Rubber, vulcanized or thermoplastic.Accelerated ageing and heat resistance tests.Air-oven method
GB/T 528 Rubber,vulcanized or thermoplastic.Determination of tensile stress-strain properties
GB/T 531.1 Rubber,vulcanized or thermoplastic.Determination of indentation hardness.Part 1:Duromerer method( Shore hardness)
GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates--Rating of test specimens and manufactured articles subjected to corrosion tests
GB/T 9441-2009 Metallographic test for spheroidal graphite cast iron
TB/T 3307.5-2014 history
2014TB/T 3307.5-2014 Technical specification for manufacturing of high speed turnouts.Part 5: Cover plates