Description
In terms of chemical composition, this steel contains approximately 0.27 to 0.32% carbon, 0.8 to 1.1% manganese, and a small amount of boron (0.0008 to 0.005%), which plays a crucial role in enhancing its hardness. Additionally, it has a tensile strength ranging from 550 to 670 MPa and is capable of undergoing heat treatment. These properties make 30MnB4 an excellent choice for applications requiring high resistance to wear and pressure.
| Grade | 30MnB4 | (Micro) |
| Material No | 1/5526 | |
| C | 0.27-0.32 | |
| Si | MAX 0.30 | |
| Mn | 0.80-1.10 | |
| Cr | MAX 0.30 | |
| P | MAX 0.025 | |
| S | MAX 0.025 | |
| Ni | – | |
| Cu | MAX 0.25 | |
| Other | B: 0.0008-0.005 | |
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