IS 5517 40C8 Flat Bars
IS 40C8 steel, also know as 080M40, is an unalloyed medium carbon steel. 40C8 is a medium strength steel with good tensile strength. It is suitable for shafts, stressed pins, studs, keys etc.
40C8 is vailable as normalised or rolled. We can supply as round drawn/turned, round hot rolled, hexagon, square, flats and plate.
40C8 Chemical Composition :
| Grade | 40C8 | |
| Min. | Max. | |
| C | 0.35 | 0.45 |
| Mn | 0.60 | 0.90 |
| Si | 0.10 | 0.35 |
| P | - | 0.035 |
| S | - | 0.035 |
It is also known as IS : 1570, Part II, Section I - 1979 Gr: 40C8 (C40)