Crane Rails under American Standards (CR 104 through CR 175) are rolled based on the technical specifications ASTM A759-2000 and are offered in either Standard Grade (Control Cooled) or Head Hardened.
The ASTM A759-2000 specification is applied only to type CR crane rails with a nominal mass of 51.6 kg/meter to 86.8 kg/meter.
NORTH AMERICAN CR CRANE RAILS
Size | Standard | B (mm) | S (mm) | P (mm) | H (mm) | kg/m |
CR104 (MRS51) | ASTM A759-2000 | 63.5 | 25.4 | 127 | 127 | 51.59 |
CR105 (MRS52) | ASTM A759-2000 | 65.1 | 23.8 | 131.8 | 131.8 | 52.09 |
CR135 (MRS67) | ASTM A759-2000 | 87.3 | 31.7 | 131.8 | 146 | 66.97 |
CR171 (MRS85) | ASTM A759-2000 | 109.2 | 31.7 | 152.4 | 152.4 | 84.83 |
CR175 (MRS87B) | ASTM A759-2000 | 107.9 | 38.1 | 152.4 | 152.4 | 86.80 |