不锈钢管道对照表..doc
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DN-公称直径 Ф-外径
DN15-ф22mm,DN20-ф27mm DN25-ф34mm,DN32-ф42mm DN40-ф48mm,DN50-ф60mm DN65-ф76(73)mm,DN80-ф89mm DN100-ф114mm,DN125-ф140mm DN150-ф168mm,DN200-ф219mm DN250-ф273mm,DN300-ф324mm DN350-ф360mm,DN400-ф406mm DN450-ф457mm,DN500-ф508mm DN600-ф610mm,DN15-ф18mm,DN20-ф25mm DN25-ф32mm,DN32-ф38mm DN40-ф45mm,DN50-ф57mm DN65-ф73mm,DN80-ф89mm DN100-ф108mm,DN125-ф133mm DN150-ф159mm,DN200-ф219mm DN250-ф273mm,DN300-ф325mm DN350-ф377mm,DN400-ф426mm DN450-ф480mm,DN500-ф530mm DN600-ф630mm,
DN15,DN20,DN25是外径。四分管和六分管的直径 1 英寸=25.4毫米 =8英分 1/2 是 四分(4英分) DN15 3/4 是 六分(6英分) DN20 2分管 DN8 4分管 DN15 6分管 DN20 1′ DN25 1.2 DN32 1.5 DN40 2′ DN50 2.5 DN65 3′ DN80 4′ DN100 5′ DN125 6′ DN150 8′ DN200 10 DN250 12 DN300 GB/T50106-2001
钢管规格及其理论重量表(1)
外径 /mm 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 钢管理论质量/(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 2.2
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