TRAIN
RAIL TYPES |
R- 33
R- 46
R- 49 |
| |
| R33 SPECIFICATIONS |
| 1. TYPE: |
| 33.47 kg7m (R 33 7 S 33) normal class rails |
| |
| 2. CHEMICAL COMPOSITION (%): |
| Rail type |
C |
Mn |
Si |
P max. |
S.max |
| R33/S33 |
0,55-0,70 |
0,60-0,95 |
0,10-0,30 |
0,045 |
0,050 |
| |
| 3. MECHANICAL PROPERTIES: |
Rail type
R33/S33
|
Tensile strength (min) |
Elongation % (min.) |
|
|
| |
Kgf7mm2 (N7mm2) |
(Lo=5do) |
|
|
| |
70 (700) |
9 |
|
|
| |
1Kgf7mm2 |
10 N/mm2 |
|
|
| 4. FREEDOM FROM DEFFECTS: |
| The rails will be free from
all defects such as piping, lack of metal, cracks, flaws
etc. |
| |
| 5. DIMENSIONS AND TOLERANCES: |
| 5.1 LENGTH OF RAILS
AND TOLERANCES: |
| Length tolerances -+ 2 mm. For
9, 10, 12 and 15 m. Lengths. |
| 5.2 SIZE AND TOLERANCES: |
| No |
Sizes |
Tolerances |
1 |
Rail height (H) H=134 mm. |
+ 1 - 0,5 |
2 |
Railfoot width (F) F =105 mm. |
+ 1 - 5,0 |
3 |
Railhead width (K) K = 58 mm. |
+ - 0,5 |
4 |
Thickness of web (S) S = 11 mm. |
+ 1 - 0,5 |
|
| 6. DIAMETER OF HOLES
AND TOLERANCES: |
| Diameter of holes (mm.) |
Tolerances |
| O 30 mm. |
+ - 0,5 |
|
|
|
