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������۸ֻӦϢʡ۸ֵϢ۸ǽΪεijֲġ(h)*ȿ(b)*(d)ĺʾ120*53*5ʾΪ120ףȿΪ53ףΪ5׵IJ۸֣12#۸֡ͬIJ۸֣мֲͬȿҲͺұ߼a b c 25a# 25b# 25c#ȡ  ۸
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Channel Steel ༰;۸ַͨ۸ֺͲ۸֡ͨ۸ֵĹΪ5-40#˫Э鹩Ӧͨ۸ֹΪ6.5-30#۸Ҫڽṹҵṹ۸ֻ͹ָʹá ۸ְ״ֿɷΪ4֣ȱ߲۸֡䲻ȱ߲۸֡ھ߲۸߲֡۸ ոֽṹ˵ӦDz۸˵۸Ӧţſš
۸(3)ҪءҹҪ׸֡֡֡֡֡¸֡Ƽ֡ȼҸֳ༭ִб׼ ߶ ȿ
5# 50 37 4.5 5.438
6.3# 63 40 4.8 6.634
8# 80 43 5.0 8.045
10# 100 48 5.3 10.007
12# 120 53 5.5 12.059
12.6 126 53 5.5 12.319
14#a 140 58 6.0 14.535
14#b 140 60 8 16.733
16#a 160 63 6.5 17.24
16#b 160 65 8.5 19.752
18#a 180 68 7 20.174
18#b 180 70 9 23
20#a 200 73 7 22.637
20#b 200 75 9 25.777
22#a 220 77 7 24.999
22#b 220 79 9 28.453
25#a 250 78 7 27.41
25#b 250 80 9 31.335
25#c 250 82 11 35.26
28#a 280 82 7.5 31.427
28#b 280 84 9.5 35.832
28#c 280 86 11 40.219
30#a 300 85 7.5 34.463
30#b 300 87 9.5 39.173
30#c 300 89 11.5 43.883
32#a 320 88 8 38.083
32#b 320 90 10 43.107
32#c 320 92 12 48.131
36#a 360 96 9 47.814
36#b 360 98 11 53.466
36#c 360 100 13 59.118
40#a 400 100 10 58.928
40#b 400 102 12.5 65.208
40#c 400 104 14.5 71.488
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