C86300 / CDA 863 Manganese Bronze Alloys
Specification :
| CDA | ASTM | Asarcon | SAE | AMS | Federal | Military | Other |
|---|---|---|---|---|---|---|---|
| C863 | B505 B505M |
430B J461 J462 |
QQ-C-390B, C7 | MIL-C-22229, COMP 8 |
Chemical Composition :
| Cu%1 | Pb% | Sn% | Zn% | Fe% | Ni%2 | Al% | Mn% | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chemical Composition according to ASTM B505/B505M-18
1In determining Cu min., Cu may be calculated as Cu + Ni. 2Ni value includes Co.
Single values represent maximums.
|
|||||||||||
| 60.00- 66.00 |
0.20 | 0.20 | 22.00- 28.00 |
2.00- 4.00 |
1.00 | 5.00- 7.50 |
2.50- 5.00 |
||||
Machinability :
| Copper Alloy UNS No. | Machinability Rating | Density (lb/in3 at 68 °F) |
|---|---|---|
| C863 | 8 | 0.283 |
Mechanical Properties :
|
Mechanical Properties according to ASTM B505/B505M-18 NOTE: Compression Deformation Limit min 55 ksi/380 MPa
|
|||||||||||
| Tensile Strength, min | Yield Strength, at .5% Extension Under Load, min | Elongation, in 2 in. or 50 mm min | Brinell Hardness (3000 kg load) | Remarks | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | typical BHN | ||||||
| 110 | 758 | 62 | 427 | 14 | 223 | ||||||
Physical Properties :
|
Physical Properties provided by CDA *Field Strength 16 kA/m
|
|||||||||||
| US Customary | Metric | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Melting Point – Liquidus | 1693 °F | 923 °C | |||||||||
| Melting Point – Solidus | 1625 °F | 885 °C | |||||||||
| Density | 0.283 lb/in3 at 68 °F | 7.83 gm/cm3 at 20 °C | |||||||||
| Specific Gravity | 7.83 | 7.83 | |||||||||
| Electrical Conductivity | 8% IACS at 68 °F | 0.046 MegaSiemens/cm at 20 °C | |||||||||
| Thermal Conductivity | 20.5 Btu/sq ft/ft hr/°F at 68 °F | 35.5 W/m at 20 °C | |||||||||
| Coefficient of Thermal Expansion 68-572 | 12 · 10-6 per °F (68-572 °F) | 20.7 · 10-6 per °C (20-300 °C) | |||||||||
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 °F | 377.1 J/kg at 293 C | |||||||||
| Modulus of Elasticity in Tension | 14200 ksi | 97900 MPa | |||||||||
| Magnetic Permeability* | 1.09 | 1.09 | |||||||||
Fabrication Properties :
|
Fabrication Properties provided by CDA
|
|||||||||||
| Joining Technique | Suitability | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Soldering | Poor | ||||||||||
| Brazing | Poor | ||||||||||
| Oxyacetylene Welding | Poor | ||||||||||
| Gas Shielded Arc Welding | Poor | ||||||||||
| Coated Metal Arc Welding | Good | ||||||||||
Thermal Properties :
| Treatment | Temp./Time – US | Temp./Time – SI | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Thermal Properties provided by CDA
|
|||||||||||
| Stress Temperature | 500 | 260 | |||||||||
| Solution Minimum | |||||||||||
| Solution Maximum | |||||||||||
| Solution Time | 0.0 | ||||||||||
| Solution Medium | |||||||||||
| Precipitation Value | |||||||||||
| Precipitation Time | |||||||||||
| Precipitation Medium | |||||||||||
| Annealing Minimum | |||||||||||
| Annealing Maximum | |||||||||||
| Annealing Time | |||||||||||
| Hot Works Minimum | |||||||||||
| Hot Works Maximum | |||||||||||