来源：原创 浏览次数：1916 发布时间：2013-05-26 11:53:38
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方管尺 寸
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方管特 性**
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||||||
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公称*尺寸
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壁厚
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每英尺重量
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截面积
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I
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S
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r
|
|
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ln.
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ln.
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Lb.
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ln.2
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ln.4
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ln.3
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ln.
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|
|
6×6
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.5000
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1/3
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35.25
|
10.6
|
50.5
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16.8
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2.21
|
|
|
.3780
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3/8
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27.48
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8.08
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41.6
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13.9
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2.27
|
|
|
.3129
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5/16
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23.39
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6.86
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36.9
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12.1
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2.30
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|
|
.2501
|
1/4
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19.02
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5.59
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30.2
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10.3
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2.33
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|
|
.1876
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3/16
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14.54
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4.28
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23.8
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7.90
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2.30
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5×5
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.5001
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1/2
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28.41
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8.34
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27.0
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10.8
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1.85
|
|
|
.3750
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3/8
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22.37
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6.58
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22.8
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9.11
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1.86
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|
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.3125
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5/16
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19.08
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5.61
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20.1
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8.02
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1.89
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|
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.2500
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1/4
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15.62
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4.59
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16.9
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6.78
|
1.92
|
|
|
.1875
|
3/16
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11.97
|
3.52
|
13.4
|
5.36
|
1.95
|
|
4×4
|
.5000
|
1/2
|
21.63
|
6.36
|
12.3
|
6.13
|
1.39
|
|
|
.3750
|
3/8
|
17.27
|
5.08
|
10.7
|
5.35
|
1.45
|
|
|
.3125
|
5/16
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14.83
|
4.36
|
9.58
|
4.79
|
1.48
|
|
|
.2500
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1/4
|
12.21
|
3.59
|
8.22
|
4.11
|
1.51
|
|
|
.1875
|
3/16
|
9.42
|
2.77
|
6.59
|
3.30
|
1.54
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|
3.5×3.6
|
.3125
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5/16
|
12.70
|
3.73
|
6.09
|
3.48
|
1.28
|
|
|
.2500
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1/4
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10.51
|
3.09
|
5.29
|
3.02
|
1.31
|
|
|
.1875
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3/16
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8.15
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2.39
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4.29
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2.45
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1.34
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|
3×4
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.3125
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5/16
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10.58
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3.11
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3.58
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2.39
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1.07
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|
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.2500
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1/4
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8.81
|
2.59
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3.16
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2.10
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1.10
|
|
|
.1875
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3/16
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6.87
|
2.02
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2.60
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1.73
|
1.13
|
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2.5×2.8
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.2500
|
1/4
|
7.11
|
2.09
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1.68
|
1.35
|
.899
|
|
|
.1875
|
3/16
|
5.59
|
1.64
|
1.42
|
1.14
|
.930
|
|
2×2
|
.2500
|
1/4
|
5.41
|
1.59
|
.766
|
.766
|
.690
|
|
|
.1875
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3/16
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4.32
|
1.27
|
.668
|
.668
|
.726
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