TB/T 1978-2007 (English Version) PDF

Scope: This standard specifies the technical requirements, static load and fatigue test methods, inspection rules, signs, etc. for combined brake beams (hereinafter referred to as brake beams). This standard applies to the manufacture and inspection of combined brake beams for standard gauge railway freight cars. The static load and fatigue test methods of this standard are also applicable to other types of truck brake beams.

TB/T 1978-2007 Referenced Document

GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 12361 Steel die forgings.General specification*， 2016-12-13 Update
GB/T 1591 High strength low alloy structural steels*， 2018-05-14 Update
GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 2911 Textiles--Ternary fibre mixtures--Quantitative chemical analysis
GB/T 2942 Rubber,vulcanized.Determination of static adhension to textile cord.H-pull test*， 2009-06-15 Update
GB/T 3077 Alloy structure steels*， 2015-12-10 Update
GB/T 3280 Cold rolled stainless steel plate, sheet and strip*， 2015-09-11 Update
GB/T 5117 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels*， 2012-11-05 Update
GB/T 699 Quality carbon structure steels*， 2015-12-10 Update
GB/T 700 Carbon structural steels

2018 TB/T 1978-2018 Railway freight car bogie combined brake beam
2007 TB/T 1978-2007 Assembled brake beam for railway freight car
1988 TB/T 1978-1987 General specification for bow brake beam of railway freight car bogie

TB/T 1978-2007 Assembled brake beam for railway freight car has been changed from TB/T 2400-1993 Vehicle brake beam load test method.