PE管每米重量如何计算?

2024-11-03 20:22:56
推荐回答(4个)
回答(1):

PE管重量理论计算公式为:每米重量(公斤)=(外径-壁厚)X壁厚X3.14X1.02/1000。比如外径为110mm壁厚为4.2mm其计算方式就是(110-4.2)X4.2X3.14X1.02/1000=1.42公斤。理论计算公式可能会和实际出现一定偏差。

PE材料由于其强度高、耐高温、抗腐蚀、无毒、耐磨等特点,被广泛应用于给排水制造领域。因为它不会生锈,所以,是替代普通铁给水管的理想管材。PE管有中密度聚乙烯管和高密度聚乙烯管。根据壁厚分为SDR11和SDR17.6系列。

前者适用于输送气态的人工煤气、天然气、液化石油气,后者主要用于输送天然气。和钢管比较,施工工艺简单,有一定的柔韧性,更主要的是不用作防腐处理,将节省大量的工序。

扩展资料

PE最通常的生产方法是通过淤浆或气相加工法,也有少数用溶液相加工生产。所有这些加工过程都是由乙烯单体、a-烯烃单体、催化剂体系(可能是不止一种化合物)和各种类型的烃类稀释剂参与的放热反应。

氢气和一些催化剂用来控制分子量。淤浆反应器一般为搅拌釜或是一种更常用的大型环形反应器,在其中料浆可以循环搅拌。当乙烯和共聚单体(根据需要)和催化剂一接触,就会形成聚乙烯颗粒。除去稀释剂后,聚乙烯颗粒或粉粒被干燥并按剂量加入添加剂,就生产出粒料。

带有双螺杆挤出机的大型反应器的现代化生产线,可每小时生产 PE40000磅以上。新的催化剂的开发为改进新等级HDPE的性能作出贡献。两种最常用的催化剂种类是菲利浦的铬氧化物为基础的催化剂和钛化合物一烷基铝催化剂。

参考资料来源:百度百科-PE管

回答(2):

PE管每米重量计算公式如下:
每米重量(公斤)=(外径²-内径²)X3.14Xρ。
其中ρ是PE管的重量,一般去ρ=910kg/m³。

PE是聚乙烯塑料,最基础的一种塑料,塑料袋、保鲜膜等都是PE,HDPE是一种结晶度高、非极性的热塑性树脂。原态HDPE的外表呈乳白色,在微薄截面呈一定程度的半透明状。PE管有中密度聚乙烯管和高密度聚乙烯管。根据壁厚分为SDR11和SDR17.6系列。前者适用于输送气态的人工煤气、天然气、液化石油气,后者主要用于输送天然气。

回答(3):

根据多年的生产经验,我可以提供一张国标米重表给你看看:
公称直径 SDR33 SDR26 SDR21 SDR17.6 SDR17 SDR13.6 SDR11
dn,mm mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m
16 2.3 0.104
20 2.3 0.135
25 2.3 0.173
32 3.0 0.282
40 3.7 0.434
50 4.6 0.673
63 4.7 0.891 5.8 1.070
75 4.3 0.985 4.5 1.025 5.6 1.256 6.8 1.497
90 4.3 1.197 5.1 1.402 5.4 1.485 6.7 1.810 8.2 2.167
110 4.2 1.447 5.3 1.792 6.3 2.116 6.6 2.203 8.1 2.671 10.0 3.218
125 4.8 1.879 6.0 2.306 7.1 2.708 7.4 2.823 9.2 3.437 11.4 4.182
140 4.3 1.898 5.4 2.366 6.7 2.902 8.0 3.408 8.3 3.537 10.3 4.315 12.7 5.219
160 4.9 2.472 6.2 3.097 7.7 3.797 9.1 4.439 9.5 4.629 11.8 5.642 14.6 6.833
180 5.5 3.123 6.9 3.876 8.6 4.763 10.2 5.606 10.7 5.867 13.3 7.146 16.4 8.796
200 6.2 3.904 7.7 4.797 9.6 5.918 11.4 6.961 11.9 7.225 14.7 8.801 18.2 10.856
225 6.9 4.887 8.6 6.017 10.8 7.495 12.8 8.789 13.4 9.175 16.6 11.379 20.5 13.742
250 7.7 6.048 9.6 7.478 11.9 9.155 14.2 10.828 14.8 11.257 18.4 13.998 22.7 16.935
280 8.6 7.551 10.7 9.349 13.4 11.570 15.9 13.556 16.6 14.405 20.6 17.579 25.4 21.214
315 9.7 9.595 12.1 11.881 15.0 14.552 17.9 17.500 18.7 18.246 23.2 22.262 28.6 26.895
355 10.9 12.158 13.6 15.032 16.9 18.816 20.1 22.182 21.1 23.209 26.1 28.238 32.2 34.075
400 12.3 15.448 15.3 19.021 19.1 23.995 22.7 28.213 23.7 29.371 29.4 35.812 36.3 43.328
450 13.8 19.481 17.2 24.565 21.5 30.340 25.5 35.627 26.7 37.226 33.1 45.398 40.9 54.909
500 15.3 23.979 19.1 30.325 23.9 37.493 28.3 43.967 29.7 46.007 36.8 56.051 45.4 67.731
560 17.2 30.828 21.4 38.007 26.7 46.953 31.7 55.177 33.2 57.609 41.2 70.302 50.8 84.906
630 19.3 38.909 24.1 48.215 30.0 59.312 35.7 69.911 37.4 72.978 46.3 88.882 57.2 107.571

mm---------表示管材公称壁厚 kg/m----------表示管材米重
希望能够帮到你

回答(4):

公式里的1.02是什么意思

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