21日不锈钢工字钢微笑服务“难求销量”
无锡304不锈钢工字钢接单中,不锈钢工字钢价格低
求 250 mm × 118mm × 10mm 的工字钢每 m 重量。从金属材料手册中查出该工字钢 t 为 13 , R 为 10 , r 为 5 ,则每 m 重量 = 0.00785 ×[250 ×10+2 ×13 × ( 118 –10 ) +0.615 × ( 10 2 –5 2 ) ]= 42.03kg
规格 |
高度 |
腿宽 |
腰厚 |
理重 |
10# |
100 |
68 |
4.5 |
11.261 |
12# |
120 |
74 |
5 |
13.987 |
14# |
140 |
80 |
5.5 |
16.89 |
16# |
160 |
88 |
6 |
20.513 |
18# |
180 |
94 |
6.5 |
24.143 |
20#a |
200 |
100 |
7 |
27.929 |
20#b |
200 |
102 |
9 |
31.069 |
22#a |
220 |
110 |
7.5 |
33.07 |
22#b |
220 |
112 |
9.5 |
36.524 |
25#a |
250 |
116 |
8 |
38.105 |
25#b |
250 |
118 |
10 |
42.03 |
28#a |
280 |
122 |
8.5 |
43.492 |
28#b |
280 |
124 |
10.5 |
47.888 |
30#a |
300 |
126 |
9 |
48.084 |
30#b |
300 |
128 |
11 |
52.794 |
32#a |
320 |
130 |
9.5 |
52.717 |
32#b |
320 |
132 |
11.5 |
57.741 |
32#c |
320 |
134 |
13.5 |
62.765 |
36#a |
360 |
136 |
10 |
60.037 |
36#b |
360 |
138 |
12 |
65.689 |
36#c |
360 |
140 |
14 |
71.341 |
40#a |
400 |
142 |
10.5 |
67.598 |
40#b |
400 |
144 |
12.5 |
73.878 |
40#c |
400 |
146 |
14.5 |
80.158 |
45#a |
450 |
150 |
11.5 |
80.42 |
45#b |
450 |
152 |
13.5 |
87.485 |
45#c |
450 |
154 |
15.5 |
84.55 |
56#a |
560 |
166 |
12.5 |
106.316 |
56#b |
560 |
168 |
14.5 |
115.108 |
56#c |
560 |
170 |
16.5 |
123.9 |
63#a |
630 |
176 |
13 |
121.407 |
63#b |
630 |
178 |
15 |
131.298 |
63#c |
630 |
180 |
17 |
141.189 |