Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread

Candian National Railways 12-11A was issued in 1987. This specification covers quenched carbon steel rail splice bars for use in railway track, includeds Design, Dimensions and Tolerances, Process, Manufacture, Chemical Composition, Quality Control about Rail Splice Bar for 100 lb. A.R.A.-A. Rail(Standard: TS-1201); Rail Splice Bar for 115 lb. R.E. Rail(Standard: TS-1202); Rail Splice Bar for 132 and 136 lb. R.E. Rail(Standard: TS-1203); Bent Splice Bars for 100, 115, 132 and 136 lb(Standard: TS-1204).

UIC860 Railway Standard-Steel Rail introduces the dimension, weight, material and length of UIC50, UIC54, UIC60 steels.

JIS E1103-91JISE 1101-93 Standard introduces the dimension, weight, material and length of JIS 15KG, JIS 20KG, JIS 30KG, JIS 50N, CR 73, CR 100 steels

Indian Railway Steel Rail Sandard:IS3443-1980 introduces the dimensions, weigth, material and length of ISCR50, ISCR60, ISCR70, ISCR80, ISCR100, ISCR120.

DIN536 Railway Steel Rail Standard intrdouces the dimension, weight, material and length of A55, A65, A75, A100, A120 steel rails.