拉制紫铜管理论重量计算公式方法：每米重量=0.02796×壁厚×（外径-壁厚)
|
外径（毫米） |
内径（毫米） |
壁厚（毫米） |
理论重量 公斤/米 |
|
3 |
2 |
0.50 |
0.035 |
|
3 |
1.5 |
0.75 |
0.047 |
|
4 |
3 |
0.50 |
0.066 |
|
4 |
2.5 |
0.75 |
0.084 |
|
5 |
4 |
0.50 |
0.063 |
|
5 |
3.5 |
0.75 |
0.089 |
|
6 |
5 |
0.50 |
0.077 |
|
6 |
4.5 |
0.75 |
0.110 |
|
7 |
6 |
0.50 |
0.091 |
|
7 |
5.5 |
0.75 |
0.131 |
|
8 |
7 |
0.50 |
0.105 |
|
8 |
6.5 |
0.75 |
0.152 |
|
8 |
6 |
1.00 |
0.196 |
|
10 |
9 |
0.50 |
0.133 |
|
10 |
8.5 |
0.75 |
0.194 |
|
10 |
8 |
1.00 |
0.252 |
|
12 |
10.5 |
0.75 |
0.236 |
|
12 |
10 |
1.00 |
0.307 |
|
12 |
9 |
1.50 |
0.440 |
|
14 |
12 |
1.00 |
0.363 |
|
14 |
11 |
1.50 |
0.524 |
|
16 |
14 |
1.00 |
0.419 |
|
16 |
13 |
1.50 |
0.608 |
|
16 |
12 |
2.00 |
0.782 |
|
19 |
17 |
1.00 |
0.503 |
|
19 |
16 |
1.50 |
0.734 |
|
19 |
15 |
2.00 |
0.950 |
|
22 |
20 |
1.00 |
0.587 |
|
22 |
19 |
1.50 |
0.859 |
|
22 |
18 |
2.00 |
1.118 |
|
25 |
23 |
1.00 |
0.671 |
|
25 |
22 |
1.50 |
0.983 |
|
25 |
21 |
2.00 |
1.286 |
|
25 |
20 |
2.50 |
1.572 |
|
28 |
26 |
1.00 |
0.755 |
|
28 |
25 |
1.50 |
1.111 |
|
28 |
24 |
2.00 |
1.453 |
|
34 |
32 |
1.00 |
0.922 |
|
34 |
31 |
1.50 |
1.362 |
|
34 |
30 |
2.00 |
1.788 |
|
35 |
33 |
1.00 |
0.950 |
|
35 |
32 |
1.50 |
1.404 |
|
35 |
30 |
2.50 |
2.270 |
|
35 |
29 |
3.00 |
2.683 |