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Bronze Sand Castings
Leitelt Brothers Inc. has extensive experience with pouring bronze sand castings. With over a century of experience, our bronze sand castings are known for their quality and workmanship. We specialize in production run orders ranging in size from 1 ounce up to 350 pounds.
Bronze alloys typically consist of 80 to 90% Copper (Cu) and 5 to 15% Tin (Sn) with other elements such as Zinc (Zn), Lead (Pb) and Iron (Fe) making up the balance. Manganese Bronze and White Manganese Bronze are the exceptions to the rule with typically 55 to 65% Cu, 20 to 25% Zn, 1 to 5% Manganese, 1 to 5% Fe (Iron) and the balance made up of Al (aluminum).
Bronze Casting Foundry
The Tin Bronze and Silicon Bronze alloys we pour are:
- C92200 (Navy M)
- C93700 (80-10-10)
- C87500 (Silicon Bronze)
We also pour Aluminum Bronze alloys:
- C95300 (415 B)
- C95400 (415 C)
- C95500 (415 D)
Special alloys are Available Upon Request.
Click to enlarge the following sample Bronze Sand Castings work.
Mechanical Properties of Bronze Sand Castings
| Alloy | Tensile Strength (ksi) min/typ | Yield Strength (ksi) min/typ | Elongation (ksi) min/typ | Brinell Hardness 10MM-500 (kg) | Machinability Free Cut YB-100 |
|---|---|---|---|---|---|
| C95300 | 65/75 | 27/27 | 20/28 | 140 | 55 |
| C95400 | 75/85 | 30/35 | 12/18 | 170 | 60 |
| C92600 | 40/44 | 18/20 | 20/30 | 65-80 | 40 |
| C93700 | 25/35 | 12/18 | 8/20 | 55-70 | 80 |
| C87500 | 60/67 | 24/30 | 16/21 | 120-135 | 50 |
Chemical Composition of Bronze Sand Castings
| Alloy | CU. | SN. | PB. | ZN. | N1% | FE% | AL% | Other% |
|---|---|---|---|---|---|---|---|---|
| C95300 | 89 | - | - | - | - | 1 | 10 | - |
| C95400 | 85 | - | - | - | - | 4 | 11 | - |
| C92600 | 87 | 10 | - | 2 | - | - | - | - |
| C93700 | 80 | 10 | 10 | - | .7 max | - | - | - |
| C87500 | 82 | - | .5 max | 14 | - | - | - | - |
Typical Applications for Bronze Sand Castings
| Alloy | Application |
|---|---|
| C95300 | Gears, Cams and Mining Machine Parts |
| C95400 | Low-speed Heavy Loaded Worm Gears |
| C92600 | Heavy-duty Bearings, Pump Pistons, and Screw Nuts |
| C93700 | High-Speed Bushings, Acid-resistant to Sulphite Fluid |
| C87500 | Corrosion Brazing & Welding Applications |
Manganese Bronze
Leitelt Brothers designs and manufactures manganese bronze sand castings.
Read More »Aluminum Bronze
Leitelt Brothers manufactures high quality aluminum bronze sand castings.
Read More »Silicon Bronze
Leitelt Brothers designs and manufactures high quality silicon bronze sand castings.
Read More »
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