Copper Alloys
The following table outlines the alloys that our foundry pours on a regular basis. In addition to the alloys listed below, our foundry has the capability to pour virtually any copper alloy to suit our customers' needs.
| CDA Spec | Class | Also Known As | Description |
|---|---|---|---|
| C83600 | Leaded Red Brass | 85 Brass | The most commonly cast leaded copper alloy worldwide. Formerly used extensively for plumbing applications before lead free drinking water standards. |
| C84400 | Leaded Semi-Red Brass | 81 Brass | Good machinability and pressure tightness. |
| C86300 | Manganese Bronze | Alloy 424 | Used for extra heavy-duty mechanical parts in non-corrosive atmospheres. |
| C86500 | Manganese Bronze | Alloy 421 | The most popular alloy for propeller components and other parts in contact with salt and fresh water |
| C87500 | Silicon Bronze | Tombasil | Used in applications where high strength and corrosion resistance are required. |
| C87600 | Silicon Bronze | Typically used for valve stems. | |
| C89836 | Bismuth Bronze | Generally used as an alternative to red brasses for lead free plumbing applications. | |
| C90300 | Tin Bronze | Navy "G" Bronze | Used for parts where high wear resistance is desired such as bearings, gears, and piston rings. |
| C92200 | Leaded Tin Bronze | Navy "M" Bronze | Typically used for corrosion resistant mechanical parts exposed to high pressures and temperatures. |