Mast Rail Size Range
Mast Rail Size Range

Mast Rail Shapes (1t type)

Mast Rail Shapes (2t type)

Mast Rail Shapes(inner)
Surface

Mast Rail Shapes(inner)

Mast Rail Shapes (outer)
Surface


Mast Rail Shapes (outer)

Side-A Side-B
Packing

Chemical Composition & Mechanical Properties
| Chemical Composition % | Mechanical Properties |
C | Si | Mn | P | S | YP | TS | El |
N/mm2 | N/mm2 | % |
S25C | 0.22-0.28 | 0.15-0.35 | 0.30-0.60 | -0.03 | -0.035 | 265- | 440- | 27- |
S30C | 0.27-0.33 | 0.15-0.35 | 0.60-0.90 | -0.03 | -0.035 | 285- | 470- | 25- |
S35C | 0.32-0.38 | 0.15-0.35 | 0.60-0.90 | -0.03 | -0.035 | 305- | 510- | 23- |
S40C | 0.37-0.43 | 0.15-0.35 | 0.60-0.90 | -0.03 | -0.035 | 325- | 540- | 22- |
S45C | 0.42-0.48 | 0.15-0.35 | 0.60-0.90 | -0.03 | -0.035 | 345- | 570- | 20- |
S50C | 0.47-0.53 | 0.15-0.35 | 0.60-0.90 | -0.03 | -0.035 | 365- | 610- | 18- |