Point Pleasant Bridge
U. S. Steel Results
February 14, 1969
Revised: Feb. 26, 1969
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Hardness Tests (CO)
*Segment 901) Specimen #12)*
*(Readings are Vickers hardness (DPH). Approximate Rockwell C conversion hardness values as determined from Wilson Conversion Chart are also shown).*
Distance From Surface, in.
Run A
Run B
Run C
Run D
DPH
RC
DPH
RC
DPH
RC
DPH
RC
0.01 277 27.0 268 25.5 262 25.0 244 21.5
0.06 289 28.5 277 27.0 274 26.5 257 24.0
0.11 286 28.0 274 26.5 274 26.5 280 27.0
0.16 280 27.0 274 26.5 283 28.0 286 28.0
0.21 283 28.0 277 27.0 274 26.5 286 28.0
0.26 274 26.5 268 25.5 257 24.0 283 28.0
0.31 280 27.0 283 28.0 289 28.5 268 25.5
0.36 271 26.0 277 27.0 260 24.5 280 27.0
0.41 - - 265 25.5 268 25.5 260 24.5
0.46 280 27.0 280 27.0 274 26.5 271 26.0
0.51 268 25.5 268 25.5 271 26.0 262 25.0
0.56 - - - - 299 30.0 244 21.5
0.61 - - - - 271 26.0 257 24.0
0.66 - - - - 280 27.0 268 25.5
0.71 - - - - 280 27.0 274 26.5
0.76 - - - - 260 24.5 271 26.0
0.81 - - - - 257 24.0 - -
0.86 - - - - 293 29.0 - -
0.91 - - - - 274 26.5 - -
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Notes:
1) See Sketch C of Laboratory Specimen Plan.
2) See Sketch B of Laboratory Specimen Plan.
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- B25 -
APPENDIX B
U. S. STEEL LABORATORY DATA
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