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16 Table 6.  Measured Mechanical Properties for MR50/LTM25 - Concluded Property CTD RTD ETW F1tu (ksi) Mean
Minimum
Maximum
Coef. of Variation (%)
279 (6)
250
310
7.07 280 (6)
262
293
4.55 268 (6)
242
283
5.72 F1cu (ksi) Mean
Minimum
Maximum
Coef. of Variation (%)
216 (6)
195
236
6.14 171 (6)
149
196
8.90 113 (6)   94.0
126
10.2 F2tu (ksi) Mean
Minimum
Maximum
Coef. of Variation (%)
  4.37 (6)
  3.54
  
5.19
12.5
  2.97 (6)
  2.60
  3.39
10.9
1.90 (6)
1.77
2.01
4.36
F2cu (ksi) Mean
Minimum
Maximum
Coef. of Variation (%)
34.7 (6)
32.0
36.8
6.09 21.1 (6)
20.0
22.1
3.74 10.8 (6)   9.85
11.9
7.51 F12su (ksi) Mean
Minimum
Maximum
Coef. of Variation (%)
16.1 (6)
15.4
16.6
2.80 12.9 (6)
12.6
13.2
1.56 7.33 (6)
7.27
7.46
0.94
e 1 tu (min/in) Mean
Minimum
Maximum
Coef. of Variation (%)
11,600 (6)
10,700
12,600
5.61 11,800 (6)
11,300
12,200
2.49 13,000 (6)
11,400
14,300
8.08 e 1 cu (min/in) Mean
Minimum
Maximum
Coef. of Variation (%)
  9,740 (6)     8,790
10,600
6.14 7,660 (6)
6,670
8,780
8.90  5,080 (6)
 4,240
 5,640
10.2
e 2 tu (min/in) Mean
Minimum
Maximum
Coef. of Variation (%)
 3,250 (6)
 2,660
 3,830
12.5
 2,900 (6)
 2,440
 3,350
10.9
2,310 (6)
2,000
2,600
8.67 e 2 cu (min/in) Mean
Minimum
Maximum
Coef. of Variation (%)
 22,600 (6)
 18,500
 27,200
14.9
25,200 (6)
22,700
28,300
7.97  25,300 (5)
 21,500
 28,300
11.6
g 12 su (min/in) Mean
Minimum
Maximum
Coef. of Variation (%)
22,000 (6)
21,100
22,500
2.32 21,300 (6)
20,900
22,100
2.05 20,900 (6)
19,900
22,400
4.22     The numbers in parentheses next to the mean values in this Table indicate
how many data points were used to calculate the particular property.

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