This standard specifies the structural form, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of the pendulum friction coefficient measuring instrument (referred to as the pendulum instrument). This standard applies to the production, inspection and use of pendulum instruments.
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 3880.3 Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering.Part 3:Tolerances on forms and dimensions*, 2012-12-31 Update
GB/T 4436 Wrought aluminum and aluminum alloy tubes.Dimensions and deviations*, 2012-12-31 Update
GB/T 5231 Designation and chemical composition of wrought copper and copper alloys*, 2022-03-09 Update
GB/T 531.1 Rubber,vulcanized or thermoplastic.Determination of indentation hardness.Part 1:Duromerer method( Shore hardness)
JTG E60-2008 Field Test Methods of Subgrade and Pavement for Highway Engineering
YB/T 5318 Alloy steel wires for spring*, 2010-11-10 Update
JT/T 763-2009 history
2017JT/T 763-2017 Pendulum Friction Coefficient Meter