Shop all Products
-
Metals
- Metals
-
Plastics
- Plastics
-
Prototyping Materials
- Prototyping Materials
-
Framing System
- Framing System
-
Precision Products
- Precision Products
-
Coated for Corrosion
- Coated for Corrosion
-
Wrought Iron
- Wrought Iron
-
Fittings
- Fittings
-
Shop Shape
- Shop Shape
- Home
- product guide
- Alloy
673
Bronze 673 (Silicon Manganese Bronze) Product Guide
Applications | Mechanical and Chemical Data | Tolerances
Overview
This material has excellent corrosion resistance, high strength, and excels at usage in high speed and heavy load environments. 673 can also be hot forged, soldered, and is easily machined. It is typically used in fasteners, industrial projects, and marine hardware.
Common Trade Names
UNS C67300, CDA 673, C673, Free-Cutting Bearing Bronze
Other Resources
Weight Calculator | Mill Test Reports
Products
Applications
- Marine
- Fasteners
| Physical Properties 673 | |||||
| -HR50 | |||||
|---|---|---|---|---|---|
| Density | 0.307 lb/in3 | ||||
| Ultimate Tensile Strength | 85 ksi | ||||
| Yield Tensile Strength | 66 ksi | ||||
| Shear Strength | 44 ksi | ||||
| Shear Modulus | 5,900 ksi | ||||
| Hardness Rockwell | Brinell | B86 | 167 | ||||
| Elongation at Break Percentage | 16% | ||||
| Modulus of Elasticity | 15,000 ksi | ||||
| Poisson's Ratio | 0.31 | ||||
| Machinability Percentage | 70% | ||||
| Melting Point | 1,530-1,610 °F | ||||
| Specific Heat | 9.3 x 10^-2 BTU/lb-°F | ||||
| Thermal Conductivity | 660 BTU-in/hr-ft^2-°F | ||||
| Electrical Conductivity | 22% IACS | ||||
|
Chemistry Information
|
|
Element |
Percentage |
| Cu | 58 - 63 |
| Mn | 2 - 3.5 |
| Zn | 27.2 - 39.1 |
| Pb | 0.4 - 3 |
| Si | 0.5 - 1.5 |
| Fe | 0 - 0.5 |
| Sn | 0 - 0.3 |
| Ni | 0 - 0.25 |
| Al | 0 - 0.25 |
| Residual | 0 - 0.5 |