Ananka Fasteners is a premier manufacturer and supplier of high-quality Silicon Bronze C65800 Fasteners (UNS C65800). Renowned for superior corrosion resistance, high mechanical strength, and excellent formability, this high-silicon bronze alloy is frequently specified as an alternative to stainless steel in severe marine and chemical environments, offering a unique combination of toughness and aesthetic appeal.
As a master manufacturer, we produce a comprehensive range of C65800 fasteners spanning from marine hardware to precision electrical and architectural components.
| Bolts & Screws | Nuts & Washers | Studs & Rods |
|---|---|---|
| Hex Bolts / Hex Cap Screws | Hex Nuts / Heavy Hex Nuts | Continuous Thread Studs |
| Socket Head Cap Screws | Jam Nuts / Acorn Nuts | Double End Studs |
| Carriage Bolts / Machine Screws | Flat Washers / Lock Washers | Threaded Rods / Grounding Rods |
| Set Screws / Sheet Metal Screws | Custom CNC Machined Nuts | Custom CNC Machined Studs |
| Material Equivalent Grades | UNS C65800 | High-Silicon Bronze | Copper-Silicon Alloy |
|---|---|
| Standard Specifications | ASTM F468 (Nonferrous Bolts, Hex Cap Screws & Studs) ASTM F467 (Nonferrous Nuts) ASTM B98 / B98M (Copper-Silicon Alloy Rod, Bar & Shapes) |
| Size Range | Metric: M3 to M100 | Imperial: 1/8" to 4" Custom machined lengths available on request. |
| Thread Types | UNC, UNF, Metric Coarse, Metric Fine, BSW, BSF |
| Dimensional Standards | ASME B18.2.1 (Hex Bolts & Cap Screws), ASME B18.2.2 (Heavy Hex Nuts), ASME B18.3 (Socket Head Cap Screws), ASME B18.21.1 (Washers) |
| Cu (Copper) | Si (Silicon) | Mn (Manganese) | Ni/Co (Nickel/Cobalt) | Fe (Iron) | Pb (Lead) |
|---|---|---|---|---|---|
| ~95% Min (Remainder) | 2.50 - 3.80% | 1.30% Max | 0.60% Max | 0.25% Max | 0.05% Max |
| Tensile Strength | Yield Strength (0.2% Offset) | Elongation (in 4D) | Hardness (Rockwell) |
|---|---|---|---|
| 50 - 80 ksi (345 - 550 MPa) | 15 - 50 ksi (105 - 345 MPa) | 20% Min | 60 - 80 HRF (Typical) |
| Density | 0.308 lbs/cu in (8.53 g/cm³) |
|---|---|
| Melting Range | 1854 - 1908°F (1012 - 1042°C) |
| Electrical Conductivity | 7% IACS (Annealed) |
| Magnetic Permeability | Non-Magnetic |
Note: Properties can vary based on the manufacturing process (hot formed vs. cold worked) and nominal thread diameter, as outlined in ASTM F468.
Silicon Bronze C65800 combines high mechanical strength with outstanding corrosion resistance, making it a trusted alternative to stainless steel in the most demanding marine, chemical, and electrical environments.