無錫方管 大口徑厚壁方管鋼廠減產效果不佳
方管常用規格
方管規格表
|
20×20×2-4 |
150×150×5-14 |
|
30×30×2-6 |
160×160×5-16 |
|
40×40×4-10 |
180×180×7-20 |
|
50×50×4-12 |
200×200×8-25 |
|
60×60×4-12 |
220×220×8-25 |
|
80×80×4-12 |
250×250×8-25 |
|
100×100×4-12 |
280×280×8-25 |
|
110×110×4-12 |
300×300×8-25 |
|
120×120×4-12 |
350×350×8-25 |
|
130×130×4-12 |
400×400×8-25 |
|
135×135×4-14 |
450×450×8-25 |
|
140×140×4-14 |
500×500×8-25 |
1.可執行GB6728-2002結構用冷彎空心型鋼標準。
2.可執行JISG3466-88日本一般構造方矩管適應范圍標準。
方形結構管尺寸與特性
方形結構管材的尺寸與特性(1)
方管尺寸|方管規格表|方鋼管尺寸|方鋼管規格表(1)
|
尺 寸 |
特 性** |
|
公稱*尺寸 |
壁厚 |
每英尺重量 |
截面積 |
I |
S |
r |
|
ln. |
ln. |
Lb. |
ln.2 |
ln.4 |
ln.3 |
ln. |
|
16×16 |
.5000 |
1/2 |
103.30 |
30.4 |
1200 |
150 |
6.29 |
|
|
.3750 |
3/8 |
78.52 |
23.1 |
931 |
116 |
6.35 |
|
|
.3125 |
5/16 |
65.87 |
19.4 |
789 |
98.6 |
6.38 |
|
14×14 |
.5000 |
1/2 |
89.68 |
26.4 |
791 |
113 |
5.48 |
|
|
.3750 |
3/8 |
68.31 |
20.1 |
615 |
87.9 |
5.54 |
|
|
.3125 |
5/16 |
57.36 |
16.9 |
522 |
74.6 |
5.57 |
|
12×12 |
.5000 |
1/2 |
76.07 |
22.4 |
485 |
80.9 |
4.66 |
|
|
.3750 |
3/8 |
58.10 |
17.1 |
380 |
63.4 |
4.72 |
|
|
.3125 |
5/16 |
48.86 |
14.4 |
324 |
54.0 |
4.75 |
|
|
.2500 |
1/4 |
39.43 |
11.6 |
265 |
44.1 |
4.78 |
|
10×10 |
.6250 |
5/8 |
76.33 |
22.4 |
321 |
64.2 |
3.78 |
|
|
.5000 |
1/2 |
62.46 |
18.4 |
271 |
54.2 |
3.84 |
|
|
.3750 |
3/8 |
47.90 |
14.1 |
214 |
42.9 |
3.90 |
|
|
.3125 |
5/16 |
40.35 |
11.9 |
183 |
36.7 |
3.93 |
|
|
.2500 |
1/4 |
32.63 |
9.59 |
151 |
30.1 |
3.96 |
|
8×8 |
.6250 |
5/8 |
59.32 |
17.4 |
153 |
38.3 |
2.96 |
|
|
.5000 |
1/2 |
48.85 |
14.4 |
131 |
32.9 |
3.03 |
|
|
.3750 |
3/8 |
37.69 |
11.1 |
106 |
26.4 |
3.09 |
|
|
.3125 |
5/16 |
31.84 |
9.36 |
90.9 |
22.7 |
3.12 |
|
|
.2500 |
1/4 |
25.82 |
7.59 |
75.1 |
18.8 |
3.15 |
|
|
.1875 |
3/16 |
19.63 |
5.77 |
58.2 |
14.6 |
3.18 |
|
7×7 |
.5000 |
1/2 |
42.05 |
12.4 |
84.6 |
24.2 |
2.62 |
|
|
.3750 |
3/8 |
32.58 |
9.58 |
68.7 |
19.6 |
2.68 |
|
|
.3125 |
5/16 |
27.59 |
8.11 |
59.5 |
17.0 |
2.71 |
|
|
.2500 |
1/4 |
22.42 |
6.59 |
49.4 |
14.1 |
2.74 |
|
|
.1875 |
3/16 |
17.08 |
5.02 |
38.5 |
11.0 |
2.77 |
*指平直邊的外部尺寸
**特性是根據外圓角公稱半徑等于壁厚的兩倍計算的。
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