Total cost of making a casting is affected by required heat treatment and by weldability and machinability. |
The addition of zinc to copper alloys improves their machinability, strength and resistance to corrosion. |
Lead, tellurium and selenium are added to copper and its alloys to improve machinability. |
Free machinability is related to brittleness, therefore physical properties of Monel R-405 are less than regular Monel. |
This is particularly important to eliminate all traces of gri, and maintain a high level of machinability and edge quality. |
These elements are added to enhance such mechanical properties as machinability, strength, and hardness. |