Description
EN57 Round Bars
EN57 Round Bars is a High Chromium, Low Nickel, Martensitic Steel known for its Excellent Strength, Good Corrosion Resistance, & High Hardenability making it suitable for high-tensile shafts, bolts, gears, and other load-bearing components.
BS 970 EN57 is a Martensitic Chromium Nickel Rust Resisting Steel.
EN57 Chemical Composition of BS 970 EN57 :
| Elements | Min. | Max. |
| Carbon | – | 0.25 |
| Silicon | 0.10 | 1.00 |
| Manganese | – | 1.00 |
| Nickel | 1.00 | 3.00 |
| Chromium | 15.50 | 20.00 |
| Sulphur | – | 0.0450 |
| Phosphorus | – | 0.0450 |
Applications of EN57 Round Bar :
EN57 is used in applications requiring a combination of strength, hardness, and corrosion resistance. Examples include:
High tensile shafts, Bolts and nuts, Gears, Pinions and spindles, and Other load-bearing components requiring high strength and durability.
Aircraft parts
Marine components
Pump and propeller shafts
Nuts and bolts
Valve parts
Beater bars
