Brass Shell Moulding Parts
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We cast various Brass shell moulded parts in our foundry as it is a cost-effective way of making intricate castings. Most of these parts made at our shell moulding foundry need minimum machining and are highly cost-efficient.
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The key difference between Shell Mould Casting and Sand Casting is the mould. In Shell Mould Casting, the mould is a thin walled shell created by applying sand raisin mixture around the pattern. The pattern is a metal piece in the shape of the part to be cast. The pattern is reused to form multiple Shell Moulds.
The Advantages of Shell Moulding Parts includes :
- The surface finish is usually good and consistent resulting in lower machining requirement and cost
- Shell Moulding Casting enables the manufacturing of complex parts with dimensional tolerance of approximately 0.2 mm
- Tooling costs are comparatively low and shorter lead times are required
Typical Brass Shell Moulding Parts :
- Brass Electrical connectors and Terminals
- Brass Fire hose fittings and hose couplings
- Brass bearing cones and bearing parts
- Engine parts
- Sanitary fittings, taps, faucets with core
- Hydraulic and pneumatic parts, flanges and hose pipe fittings
- Brass and Bronze marine fittings and boat supplies
Grades of Brass used for Shell Moulding :
| Copper Alloy No. | Cu | Zn | Pb | Sn | Sb | Ni | Fe | Al | Mn | As | S | P | Si | Other Named Elements |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C85200 | 70.0-74.0 | 20.0-27.0 | 1.5-3.8 | .7-2.0 | .20 | 1.0 | .6 | .005 | – | – | .05 | .02 | .05 | – |
| C85400 | 65.0-70.0 | 24.0-32.0 | 1.5-3.8 | .50-1.5 | – | 1.0 | .7 | .35 | – | – | – | – | .05 | – |
| C85450 | 60.0-64.0 | Rem. | .09 | .50-1.5 | – | 1.0 | .30-1.0 | 1.0 | .6 | – | – | – | – | – |
| C85500 | 59.0-63.0 | Rem. | .20 | .20 | – | .20 | .20 | – | .20 | – | – | – | – | – |
| C85550 | 59.0-64.0 | Rem. | .09 | .30 | – | .20 | .15 | .30 | – | – | – | – | .30-1.0 | – |
| C85700 | 58.0-64.0 | 32.0-40.0 | .8-1.5 | .50-1.5 | – | 1.0 | .7 | .8 | – | – | – | – | .05 | – |
| C85800 | 57.0 min | 31.0-41.0 | 1.5 | 1.5 | .05 | .50 | .50 | .55 | .25 | .05 | .05 | .01 | .25 | – |
| C85900 | 58.0-62.0 | 31.0-41.0 | .09 | 1.5 | .20 | 1.5 | .50 | .10- .6 | .01 | – | .10- .65 | .01 | .25 | .20B .20Zr |
| C85910 | 58.0-62.0 | 31.0-41.0 | .09 | 1.5 | .20 | 1.5 | .50 | .10- .6 | .01- .20 | – | .10- .65 | .01 | .25 | .20B .20Zr |
| C85920 | 58.0-62.0 | 31.0-41.0 | .09 | 1.5 | .20 | 1.5 | .50 | .10- .6 | .20 | – | .1 | .01 | .25 | .20B .10C .30Ti .20Zr |
| C85930 | 58.0-62.0 | 31.0-41.0 | .09 | 1.5 | .10-1.5 | 1.5 | .50 | .10- .6 | .20 | – | .10- .65 | .01 | .25 | .20B .10C .30Ti .20Zr |