... ASTM A53,ASTM A500, ASTM A513, 2.ANSI C80.1 ,ANSI C80.3 3.BS1387, BS1139 4.EN10219, ... 110.550.300.254.556.140.00210.851.2614¾1.050.820.110.870.530.333.644.640. ... 131.360.860.492.903.640.00601.682.5011 ½1 ¼1.661.380.142.161.500.672.302.770.01042 ... .273.3811 ½1 ½1.901.610.152.842.040.802.012.370.01412 ... 206.494.791.701.331.550.03335.798.6211 ½33.503.070.229.627.392.231.091.250.05137 ...