[원형강]

직경
Unit Weight
(mm)

단위중량
Unit Weight
(kg/m)
표면적
Paint Area
(㎡/ton)
단면적
Sectional-Area
(㎠)
D W P A
6 0.222 84.908 0.2827
7 0.302 72.818 0.3848
8 0.395 63.627 0.5027
9 0.449 56.662 0.6362
10 0.617 50.917 0.7854
11 0.746 46.324 0.9503
12 0.888 42.454 1.131
13 1.04 39.27 1.327
14 1.21 36.349 1.539
16 1.58 33.902 2.011
18 2 28.274 2.545
19 2.23 26.767 2.835
20 2.47 25.438 3.142
22 2.98 23.193 3.801
23 3.26 22.165 4.155
24 3.55 21.239 4.524
25 3.85 20.4 4.909
26 4.17 19.588 5.309
28 4.83 18.212 6.158
30 5.55 16.982 7.069
32 6.31 15.932 8.042
34 7.13 14.981 9.079
35 7.55 14.564 9.621
36 7.99 14.155 10.18
38 8.9 13.414 11.34
40 9.87 12.732 12.57
42 10.9 12.105 13.85
45 12.5 11.31 15.9
48 14.2 10.619 18.1
50 15.4 10.2 19.64
 

직경
Unit Weight
(mm)

단위중량
Unit Weight
(kg/m)
표면적
Paint Area
(㎡/ton)
단면적
Sectional-Area
(㎠)
D W P A
52 16.7 9.782 21.24
55 18.7 9.24 23.76
58 20.7   26.42
60 22.2 8.491 28.27
65 26 7.854 33.18
70 30.2 7.282 38.48
75 34.7 6.79 44.18
80 39.5 6.363 520.27
85 44.5 6.001 56.75
90 49.9 5.666 63.62
95 55.6 5.368 70.88
100 61.7 5.092 78.54
105 68   86.59
110 74.6 4.632 95.03
115 81.5   103.9
120 88.8 4.245 113.1
130 104   132.7
140 121   153.9
150 139   176.7
160 158   201.1
170 178   227
180 200   254.5
190 223   283.5
200 247   314.2
220 298   280.1
230 326   415.3
240 355   452.4
250 385   490.9
300 555   706.9