1、GB3737.2-83mm公称管子b3重量压力外径d16L公称极限公称极限极限(巴)Do公称尺寸偏差偏弟尺寸(kg/100件)偏差436.18.56.5M101220.9853.57.110.73+0.286M121.2546+0.218.11326.41.678M141.5810.1321517.32.610M161.5而12.3331820.82.9512M181.5101214,33.6324.214M201.5121416.37.54.3613.516M221.5141618.32427.75.17G35(250)18M241.5151820.32731.26.4020M271.517
2、2022.78.5373034.68.7522M3021922+0.4024.711.8+0.303439.325M332222527.7189.515.128M362242830.7484147.319.132M422273235+0.10+0.3028.50110.530340504653.134M4523729.11940M4823440435057.730.2115142M52236265563.543.26M141.5368.11517.33.08+0.288M161.558+0.2110.11820.84.0813.510M181.571012.34.867.5352124.212M201.581214.36.0614M221.5101416.32427.77.2336(400)16M241.5121618.32731.28.4018M271.51418+0.4020.39383034.611.3+0.3020M302162022.74814.319103439.322M332182224.75018.725M362202527.75324.511.54147.328M392222830.75426.5注:重量系计算值,比重为7.85kg/dm3技术条件按GB3765一83的规定。2