Gunmetal, also known as red brass in the United States, is the most durable of all metals for the plumbing industry and commercial water pipe applications.. Originally used chiefly for making guns, it was eventually superseded in this department by steel. Gunmetal, which casts and machines well and is resistant to corrosion from steam and salt water, is used to make steam and hydraulic castings, valves, gears, statues and various small objects, such as buttons.
Typical Uses Marine Products, Parts for Boats, Handles for Dental Equipment, Air Actuators, Valve Bodies, Valves, Bushings, Pump Parts, Pumps, Valve Bodies, Impellers, Pump Fixtures, Couplings, Valves, Transducer Housings, Valve Bodies for the Water Meter Industry, Valves for the Water Meter Industry, Pumps, Low Pressure Valves, Small Gears, Bearings, Bearing Segments for Steel Industry, Pressure Blocks for Steel Industry, Rings, Printing Presses, Furnace, Ornamental Fixtures, Faucets, Fixtures, Pipe Fittings, Lightning Protection, Heating Equipment, Cooling Equipment, Trowels for Cement Working, Hardware, Electrical Hardware, Switches, Electrical Equipment, Large Hold Down Screws.
| Copper Alloys | Standard | Cu | Sn | Pb | Zn | Fe | Ni | P | Al | Mn | Si | Sb | S | Bi | Imp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C83600 | ASTM | 84-86 | 4.3-6 | 4-5.7 | 4.3-6 | 0.25 | 1 | 0.05 | 0.005 | - | 0.005 | 0.25 | 0.08 | - | - |
| RG-5 | DIN | 84-86 | 4-6 | 4-6 | 4-6 | 0.2 | 2 | 0.03 | 0.01 | 0.1 | 0.01 | 0.25 | 0.06 | - | - |
| CB491K | EN | 83-86.5 | 4.2-6 | 4.2-5.8 | 4.5-6.5 | 0.25 | 2 | 0.03 | 0.01 | - | 0.01 | 0.25 | 0.08 | - | - |
| CAC406 (BC6) | JIS | 83-87 | 4-6 | 4-6 | 4-6 | 0.3 | 0.8 | 0.03 | 0.005 | - | 0.005 | 0.2 | - | - | - |
| LG-2 | BS:1400 | Rem. | 4-6 | 4-6 | 4-6 | 0.5 | 2 | - | 0.01 | - | 0.02 | - | - | 0.05 | 0.8 |
| LTB-2 | IS:318-1981 | Rem. | 4-6 | 4-6 | 4-6 | 0.35 | 2 | - | 0.01 | - | 0.02 | 0.4 | - | - | 0.8 |
| G-CuSn5Zn5Pb5 | UNI7013 | Rem. | 4-6 | 4-6 | 4-6 | 0.3 | 2 | 0.05 | - | 0.1 | - | 0.4 | 0.1 | 1 | - |
Typical Uses Valves, Valves for Water Meters, Low Pressure Fittings, Valve Bodies for the Water Industry, Valve Seat, Pump Fixtures, Marine Hardware, Boat Parts, Nuts for Transducers, Fixtures, Pipe Fittings, Ornamental Fixtures, Door Hardware for Prisons, Hardware, Dead Bolt Locks, Cases for Dead Bolt Locks, Cooling Equipment, Heating Equipment, Musical Instruments, Electrical Equipment.
| Copper Alloys | Standard | Cu | Sn | Pb | Zn | Fe | Ni | P | Al | Mn | Si | Sb | S | Bi | Imp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C84400 | ASTM | 79-82 | 2.5-3.5 | 6-8 | 7-10 | 0.4 | 0.8 | 0.02 | 0.005 | - | 0.005 | 0.25 | 0.08 | - | - |
| G-CuSn2ZnPb | DIN | 80-85 | 1.5-3 | 4-6 | 7-9 | 0.3 | 1.5-2.5 | 0.03 | 0.01 | 0.1 | 0.01 | 0.25 | 0.06 | - | - |
| CAC401 (BC1) | JIS | 79-83 | 2-4 | 3-7 | 8-12 | 0.35 | 0.8 | 0.03 | 0.005 | - | 0.005 | 0.2 | - | - | - |
| LG-1 | BS:1400 | Rem. | 2-3.5 | 4-6 | 7-9.5 | 0.5 | 2 | 0 | 0.01 | - | 0.02 | 0.3 | 0.1 | 0.1 | 1 |
Typical Uses Low pressure valves and fittings, plumbing supplies and fittings, general hardware, air-gas-water fittings, pump components, railroad catenary fittings, small gears, water impellers and housings, marine fittings, flanges, ornamental fixtures.
| Copper Alloys | Standard | Cu | Sn | Pb | Zn | Fe | Ni | P | Al | Si | Sb | S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C83800 | ASTM | 82 - 83.5 | 3.5-4.2 | 5.8-6.8 | 5.5-8 | 0.25 | 1 | 0.03 | 0.005 | 0.005 | 0.25 | 0.08 |