Chemical Properties -- C90300 / NAVY G / Tin Bronze / SAE 620
Element |
Nominal % |
Minimum % |
Maximum % |
| Aluminum |
- |
- |
.005 |
| Antimony |
- |
- |
.20 |
| Copper |
88 |
86 |
89 |
| Iron |
- |
- |
.20 |
| Lead |
- |
- |
.30 |
| Nickel |
- |
- |
1 |
| Phosphorus |
- |
- |
.05 |
| Silicon |
- |
- |
.005 |
| Sulfur |
- |
- |
.05 |
| Tin |
8 |
7.5 |
9 |
| Zinc |
4 |
3 |
5 |
Mechanical Properties -- C90300 / NAVY G / Tin Bronze / SAE 620
| MO1 - As Sand Cast |
|
| Tensile Strength: |
Minimum 45 ksi |
| Yield Strength: |
Minimum 21 ksi - 0.5% Ext. under load |
| Elongation: |
Minimum 30% in 2 in. |
| Brinell Hardness: |
70 @ 500 kg load |
| |
|
| M02 - As Centrifugal Cast |
|
| Tensile Strength: |
Minimum 44 ksi |
| Yield Strength: |
Minimum 22 ksi - 0.5% Ext. under load |
| Elongation: |
30%, in 2 inches |
| |
|
| M07 - As Continuous Cast |
|
| Tensile Strength: |
Minimum 44 ksi |
| Yield Strength: |
Minimum 22 ksi - 0.5% Ext. under load |
| Elongation: |
18%, in 2 inches |
Physical Properties -- C90300 / NAVY G / Tin Bronze / SAE 620
| Property |
US Customary |
| Melting Point - Liquidus |
1832 F |
| Melting Point - Solidus |
1570 F |
| Density |
0.318 lb/in3 at 68 F |
| Specific Gravity |
8.80 |
| Specific Heat Capacity |
0.09 Btu/lb/oF at 68 F |
| Coefficient of Thermal Expansion |
10.0 ·10-6 per oF (68-212 F) |
| Thermal Conductivity |
43.2 Btu · ft/(hr · ft2·oF)at 68F |
| Electrical Conductivity |
12 %IACS @ 68 F |
| Electrical Resistivity |
87.2 ohms-cmil/ft @ 68 F |
| Modulas of Elasticity in Tension |
14,000 ksi |
Fabrication Properties -- C90300 / NAVY G / Tin Bronze / SAE 620
| Joining Methods |
Suitability |
| Soldering |
Excellent |
| Brazing |
Good |
| Oxyacetylene Welding |
Fair |
| Gas Shielded Arc Welding |
Fair |
| Coated Metal Arc Welding |
Fair |
| Machinability (C360 Brass =100) |
30 |
|
