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Test Date: |
03/16/2009 |
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Lab: |
SGS Group
International |
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Part: |
Sprint Car
Bottom Rails, Rear Cage Upright, Hip Rail (.095)
Sprint Car
Cockpit Diagonals (.065) |
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Test Type: |
Chemical Composition /
Hardness / Strength |
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Test Procedure: |
Chemical: ATM
A751-07a. Tension: ASTM E8/8M-08. Hardness: ASTM E18-08a. |
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Chassis Tubing |
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Test/Sample ID |
1 3/8"
X 0.065 |
1 3/8"
X 0.095 |
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Carbon |
0.34% |
0.33% |
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Manganese |
0.47 |
0.56 |
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Sulfur |
0.024 |
0.011 |
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Silicon |
0.22 |
0.22 |
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Chromium |
0.86 |
0.96 |
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Phosphorus |
0.014 |
0.014 |
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Molybdenum |
0.17 |
0.18 |
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Copper |
0.09 |
0.09 |
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Nickel |
0.090 |
0.086 |
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Rockwell Hardness |
HRC 25.5 |
HRC 26.5 |
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Tensile Strength
ksi |
128.3 |
127.6 |
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Yield
Strength .2%
offset ksi |
116.8 |
115.3 |
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Percent Elongation
in 2.0" |
13.0 |
13.0 |
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