CPM-10V

Meaning

Powdermetallurgy tool steels offer exceptional wear resistance and toughness due to a high volume of uniform vanadium carbides. Injection molders specify cpm-10v for high-wear components such as gate inserts, non-return valve screws, and compounding extruder elements where glass-filled resins are processed. This material provides a stable microstructure that resists abrasive wear better than conventional tool steels.

Material Composition

Steel produced by particle metallurgy incorporates a large fraction of vanadium that forms hard wear-resisting carbides. The cpm-10v steel contains ten percent vanadium, which creates a high density of microstructural reinforcements. These carbides are distributed evenly throughout the matrix to prevent the chipping that often occurs in traditional cast steels.

Tooling Performance

Mold components made from this alloy hold precise shut-off dimensions during long production runs of abrasive polymers. Utilizing cpm-10v minimizes recess wear at gates where high-velocity resin melts erode standard tooling inserts. The high yield strength of the material prevents plastic deformation under the intense pressures of the molding cycle.

Machining Detail

Processing this powder-metal steel requires specialized tooling because of its high carbide volume and subsequent hardness. Specialized electrical discharge machining or grinding is employed to shape the hardened inserts to final tolerances. Although the raw material and machining costs are elevated, the reduction in downtime for insert replacement offsets the initial expense.

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