Introduction
C87845 is a silicon bronze sand-casting grade covered by ASTM B584. Typical family applications include shaped hardware, decorative components, pump parts, valve parts, brackets, fittings, artistic castings and statuary.
| Field | Value |
|---|---|
| Designation | C87845 |
| Material Type | Bronze |
| Sub Type | Silicon Bronze |
| Product Form | casting |
Manufacturing Process
Sand Casting
Equivalent Materials
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| ASTM B584 | Standard Specification for Copper Alloy Sand Castings for General Applications | 14 | C87845 | UNS C87845, source_designation silicon bronze |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | ASTM B584Edition 14 · wt.% |
|---|---|
| Cu | 75.0–78.0 |
| Zn | remainder |
| Sn | ≤ 0.10 |
| Pb | ≤ 0.02 |
| Fe | ≤ 0.10 |
| Al | ≤ 0.09 |
| Mn | ≤ 0.10 |
| Si | 2.5–2.9 |
| P | 0.03–0.06 |
| Sb | ≤ 0.015 |
| As | ≤ 0.015[1] |
| Cr | ≤ 0.015[2] |
| Ni+Co | ≤ 0.20[3] |
Notes
ASTM B584 · Edition 14
[1] As: Arsenic 0.015 max.
[2] Cr: Chromium 0.015 max.
[3] Ni+Co: Nickel including cobalt; combined limit
Heat Treatment
ASTM B584–14
N/A
Mechanical Properties
Core Mechanical Properties
Notes
ASTM B584 · Edition 14
[1] Tensile Strength: inch-pound
[2] Yield Strength: inch-pound; 0.5% extension under load
Welding Conditions
N/A
Applications
For silicon bronze ASTM B584 C87845, typical cast components in this material family include shaped hardware, decorative components, pump parts, valve parts, brackets, fittings, artistic castings and statuary. Typical settings include architectural fittings, marine hardware and industrial equipment assemblies. Cast-alloy applications should not be confused with wrought fastener uses or interpreted as unrestricted seawater approval.
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