M-Steel Bar Facilitates Better Cutting Speeds

Significant reductions in machining costs for component manufacture can be achieved when replacing conventional steel with M-Steel bar from Ovako, the company says.

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Significant reductions in machining costs for component manufacture can be achieved when replacing conventional steel with M-Steel bar from Ovako, the company says. M-Steel is designed to lower machining costs, facilitating higher cutting speeds and non-interrupted production. With a cutting speed of as much as 30 percent faster than conventional steel, M-Steel is said to meet market demands for low processing costs.

Often, tool life is more than doubled when machining steel that contains inclusions. At every stage of the M-Steel production process, the material is optimized to improve machinability, the company says. A key part is the modification and control of nonmetallic inclusions with calcium treatment, important steps in secondary metallurgy that affect the composition and inclusion structure, as well as heat treatment.

Hard, nonmetallic inclusions in conventional steel cause considerable wear of the machine tool, but in M-Steel, these are transformed to safer, calcium-contained inclusions that are softer. They even create a lubricating film between the tool and the chip interface during machining.