90LBS rail or 90-pound rail is defined by the Association of American Railroads (or ARA). The ARA sets the standard from 60 lb/yd (4.96 kg/m) in increments of 10 lb/yd (4.96 kg/m) and from 60 lb/yd to 100 lb/yd (29.8 to 49.6 kg/m).
90 pound rail is also a profile recommended by AREA (American Railroad Engineering Association). This is a type of rail sold mainly in the North American market.
Specification
Type: Heavy Rail
Material: 900A/1100
Weight: 44.65kg/meter
Length: 12-25m
Height: 142.88mm
Size:
| Weight Per Yard | Rail Type | Dimensions in inches | Section designation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HT | BW | HW | W | HD | FD | BD | E | |||||
| 90 lb. | ASCE | 5 3/8 | 5 3/8 | 2 8/5 | 9/16 | 1 19/32 | 2 55/64 | 59/64 | 2 45/128 | 9040 | 90AS | - |
| ARA-A | 5 3/8 | 5 3/8 | 2 9/16 | 9/16 | 1 15/32 | 3 5/32 | 1 | 2 37/64 | 9020 | 90RS | 902 | |
| ARA-B | 5 17/64 | 4 49/64 | 2 9/16 | 9/16 | 1 39/64 | 2 5/8 | 1 1/32 | 2 11/32 | 9030 | 90RB | 905 | |
Drawing:
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