计算公式：w(kg/m)=0.00785*边厚*（2边宽-边厚）
型号尺寸(mm)长度 (m)理论重量 (kg/m)边宽边厚2#203
43-9
0.889
1.145
2.5#253
43-91.124
1.4593#30
303
43-91.373
1.7863.6#363
4
53-91.656
2.163
2.6544#403
4
53-91.852
2.422
2.9764.5#453
4
5
64-122.088
2.736
3.369
3.9855#50 3
4
5
64-122.332
3.059
3.770
4.4655.6#563
4
5
84-122.624
3.446
4.251
6.568
6.3#63 4
5
6
8
104-123.907
4.822
5.721
7.469
9.151
7#704
5
6
7
84-12 4.372
5.397
6.406
7.398
8.3737.5#75 5
6
7
8
104-12 5.818
6.905
7.976
9.030
11.0898#80 5
6
7
8
104-12 6.211
7.376
8.525
9.658
11.8749#90 6
7
8
10
124-19
8.350
9.656
10.946
13.476
15.94010#100 6
7
8
10
12
14
16 9.366
10.830
12.276
15.120
17.898
20.611
23.25711#1107
8
10
12
144-19
11.928
13.532
16.690
19.782
22.80912.5#12510
12
144-1919.133
22.696
26.19314#14010
12
14
164-1921.488
25.522
29.490
33.39316#16010
12
14
166-1924.729
29.391
33.987
38.51818#18012
14
16
186-1933.159
38.383
43.542
48.63420#20014
16
18
20
246-1942.894
48.680
54.401
60.056
71.168