<strike id="mmgyw"></strike>
<strike id="mmgyw"></strike>
鋼管規(guī)格及其理論重量表\山東20#大口徑無縫鋼管
鋼管規(guī)格及其理論重量表(1)
| 外徑 |
壁
厚/mm |
|||||||||||||||
| 0.5 |
0.6 |
0.8 |
1.0 |
1.2 |
1.4 |
1.5 |
1.6 |
1.8 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
|
| 鋼管理論質(zhì)量/(kg/m) |
||||||||||||||||
| 5 |
0.055 |
0.065 |
0.083 |
0.099 |
|
|
|
|
|
|
|
|
|
|
|
|
| 8 |
0.092 |
0.109 |
0.142 |
0.173 |
0.201 |
|
|
|
|
|
|
|
|
|
|
|
| 10 |
0.117 |
0.139 |
0.181 |
0.222 |
0.260 |
|
|
|
|
|
|
|
|
|
|
|
| 12 |
0.142 |
0.169 |
0.221 |
0.271 |
0.320 |
0.366 |
0.388 |
0.410 |
|
|
|
|
|
|
|
|
| 13 |
|
0.183 |
0.241 |
0.296 |
0.343 |
0.400 |
0.425 |
0.450 |
|
|
|
|
|
|
|
|
| 14 |
|
0.198 |
0.260 |
0.321 |
0.379 |
0.435 |
0.462 |
0.489 |
|
|
|
|
|
|
|
|
| 15 |
|
0.123 |
0.280 |
0.345 |
0.408 |
0.470 |
0.499 |
0.529 |
|
|
|
|
|
|
|
|
| 16 |
|
0.228 |
0.300 |
0.370 |
0.438 |
0.504 |
0.536 |
0.568 |
|
|
|
|
|
|
|
|
| 17 |
|
0.243 |
0.320 |
0.395 |
0.468 |
0.359 |
0.573 |
0.608 |
|
|
|
|
|
|
|
|
| 18 |
|
0.257 |
0.339 |
0.419 |
0.497 |
0.573 |
0.610 |
0.647 |
|
|
|
|
|
|
|
|
| 19 |
|
0.272 |
0.359 |
0.444 |
0.527 |
0.608 |
0.647 |
0.687 |
|
|
|
|
|
|
|
|
| 20 |
|
0.287 |
0.379 |
0.469 |
0.556 |
0.642 |
0.684 |
0.726 |
0.808 |
0.888 |
|
|
|
|
|
|
| 21 |
|
|
0.399 |
0.493 |
0.586 |
0.677 |
0.721 |
0.765 |
0.852 |
0.937 |
|
|
|
|
|
|
| 22 |
|
|
0.418 |
0.518 |
0.616 |
0.704 |
0.758 |
0.805 |
0.897 |
0.986 |
1.074 |
|
|
|
|
|
| 25 |
|
|
0.477 |
0.592 |
0.704 |
0.815 |
0.869 |
0.923 |
1.030 |
1.134 |
1.237 |
1.387 |
|
|
|
|
| 28 |
|
|
0.537 |
0.666 |
0.793 |
0.918 |
0.980 |
1.0412 |
1.163 |
1.282 |
1.400 |
1.572 |
1.740 |
|
|
|
| 30 |
|
|
0.576 |
0.715 |
0.852 |
0.987 |
1.054 |
1.121 |
1.252 |
1.381 |
1.508 |
1.695 |
1.878 |
1.997 |
|
|
| 32 |
|
|
|
0.764 |
0.911 |
1.065 |
1.128 |
1.199 |
1.341 |
1.480 |
1.617 |
1.1819 |
2.016 |
2.145 |
|
|
| 34 |
|
|
|
0.814 |
0.971 |
1.125 |
1.202 |
1.278 |
1.429 |
1.578 |
1.725 |
1.942 |
2.154 |
2.293 |
|
|
| 37 |
|
|
|
0.888 |
1.059 |
1.229 |
1.313 |
1.397 |
1.562 |
1.726 |
1.888 |
2.127 |
2.361 |
2.515 |
|
|
| 38 |
|
|
|
0.912 |
1.089 |
1.264 |
1.350 |
1.436 |
1.607 |
1.776 |
1.942 |
2.189 |
2.430 |
2.589 |
2.746 |
2.978 |
| 40 |
|
|
|
0.962 |
1.148 |
1.333 |
1.424 |
1.515 |
1.696 |
1.874 |
2.051 |
2.312 |
2.569 |
2.737 |
2.904 |
3.150 |
| 45 |
|
|
|
1.09 |
1.30 |
|
1.61 |
1.71 |
1.92 |
2.12 |
2.32 |
2.62 |
2.91 |
3.11 |
3.30 |
3.58 |
| 46 |
|
|
|
|
1.33 |
1.54 |
1.65 |
1.75 |
1.96 |
2.17 |
2.38 |
2.68 |
2.98 |
3.18 |
3.38 |
3.668 |
| 48 |
|
|
|
|
1.38 |
|
1.72 |
1.83 |
2.05 |
2.27 |
2.48 |
2.81 |
3.12 |
3.33 |
3.54 |
3.84 |
魏建國：行業(yè)產(chǎn)能過剩不僅是中國生病，而是全球都生病。印度、德國、歐盟等都存在鋼鐵產(chǎn)能過剩問題，只不過這些國家和地區(qū)實行保護(hù)主義。他們不認(rèn)為自己產(chǎn)能過剩，因為如果承認(rèn)過剩，就要降低本國的鋼鐵產(chǎn)量，這就會引起就業(yè)減少，整體經(jīng)濟(jì)恢復(fù)更緩慢。尤其是德國還面臨大選，很多問題都可能浮現(xiàn)。事實上，全球鋼材貿(mào)易中20%為歐盟出口，中國去年也從歐盟進(jìn)口3900多萬噸鋼材。
本文來自：http://www.qjlydz.cn http://www.sdjj688.com http://www.sdjjcj.com