ขนาด (mm.)
|
พื้นที่ หน้าตัด (cm^2)
|
น้ำหนัก (kg/m.)
|
น้ำหนัก (kg/ 6 m.)
|
|||||
A
|
B
|
t1
|
t2
|
r1
|
r2
|
|||
150
|
75
|
5.5
|
9.5
|
9
|
4.5
|
21.83
|
17.1
|
103
|
150
|
125
|
8.5
|
14
|
13
|
6.5
|
46.15
|
36.2
|
217
|
180
|
100
|
6
|
10
|
10
|
5
|
30.06
|
23.6
|
142
|
200
|
100
|
7
|
10
|
10
|
5
|
33.06
|
26
|
156
|
200
|
150
|
9
|
16
|
15
|
7.5
|
64.16
|
50.4
|
302
|
250
|
125
|
7.5
|
12.5
|
12
|
6
|
48.79
|
38.3
|
230
|
250
|
125
|
10
|
19
|
21
|
10.5
|
70.73
|
55.5
|
333
|
300
|
150
|
8
|
13
|
12
|
6
|
61.58
|
48.3
|
290
|
300
|
150
|
10
|
18.5
|
19
|
9.5
|
83.47
|
65.5
|
393
|
300
|
150
|
11.5
|
22
|
23
|
11.5
|
97.88
|
76.8
|
461
|
350
|
150
|
9
|
15
|
13
|
6.5
|
74.58
|
58.5
|
351
|
350
|
150
|
12
|
24
|
25
|
12.5
|
111.1
|
87.2
|
523
|
400
|
150
|
10
|
18
|
17
|
8.5
|
91.73
|
72
|
432
|
400
|
150
|
12.5
|
25
|
27
|
13.5
|
122.1
|
95.8
|
575
|
450
|
175
|
11
|
20
|
19
|
9.5
|
116.8
|
91.7
|
550
|
450
|
175
|
13
|
26
|
27
|
13.5
|
146.1
|
115
|
690
|
600
|
190
|
13
|
25
|
25
|
12.5
|
169.4
|
133
|
798
|
600
|
190
|
16
|
35
|
38
|
19
|
224.5
|
176
|
1056
|