TB/T 3307.2-2014
Technical specification for manufacturing of high speed turnouts.Part 2: T-bolts (English Version)

Standard No.

TB/T 3307.2-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Railway

Latest

TB/T 3307.2-2014

Scope

This part specifies the technical requirements, inspection methods, inspection rules, marking and packaging of T-bolts. This section applies to T-bolts for high-speed railway turnout fasteners (hereinafter referred to as screw inspection).

TB/T 3307.2-2014 Referenced Document

• GB/T 10125 Corrosion tests in artificial atmospheres—Salt spray tests*， 2021-08-20 Update
• GB/T 196 General purpose metric screw threads--Basic dimensions
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• 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 3098.1-2010 Mechanical properties of fasteners.Blots, screws and studs
• GB/T 3103.1-2002 Tolerances for fasteners--Bolts,screws,studs and nuts
• 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 700 Carbon structural steels
• JB/T 9151.1-1999 Mehtod of verification for fastenes.Size and geometry.Bolts,screws,studs and nuts

TB/T 3307.2-2014 history

• 2014 TB/T 3307.2-2014 Technical specification for manufacturing of high speed turnouts.Part 2: T-bolts