Plastic Covers for Steel Fence Posts
for
Royco Inc.
Route 1 Box 3380
Dora MO 65637
Summary (click on numbers for details) |
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Geometry Information | Sample with extra ribs |
Sample without extra ribs |
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Cross-Sectional Area | 1.026 in2 | 0.869 in2 | ||
Effective Cross-Sectional Area | 0.880 in2 | 0.723 in2 | ||
Centroid Location Relative to Center of Circle | X 0.000 in Y 0.050 in |
X 0.000 in Y 0.155 in |
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Moment of Inertia About Centroid | X
0.509 in4 Y 0.393 in4 |
X
0.412 in4 Y 0.388 in4 |
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Mechanical Property |
70 oF | -20 oF | 70 oF | -15 oF |
Rockwell Hardness | R93 | R112 | R101 | R114 |
Flexure Modulus | 370 ksi | 260 ksi | ||
Compression Modulus | 330 ksi | 550 ksi | 275 ksi | 420 ksi |
Compressive Strength | 4.7 ksi | 6.7 ksi | 4.6 ksi | 5.7 ksi |
Axial Compression Load (6") | 4500 lbs | 6500 lbs | 4000 lbs | 5000 lbs |
Lateral Compression Load (3") | 75 lbs | 100 lbs | 65 lbs | 75 lbs |