ASTM A53 A/B ASTM A211-85 ASTM A178/A214/A226 Gr. A ASME SA211 ASTM A500 ASTM A252 AS1579 ASTM A-134 ASTM A-139 ASTM A513 AWWA C-200 ACNOR/CSA Z245.1 BS2059 Part I & II Gr. 320, Gr. 360 BS 3601 Gr. 430, Gr. 360 DIN 1626/2458-DIN 2470 Part 1 St. 37.0,St44.0, St.52.0 DIN1628 St. 37.4 DIN 17 172-DIN 2470 Part II St. E210-7, E240-7,E290-7, St. E 320-7,St.E 360-7 DIN 171777 St. 37.8, St. 42.8 EN 10208-1/97 EN 10208-2/96 + AC/96 EN 10219-1/97 OD W/T in mm mm 16 406.4 6.4-25 18 457.2 6.4-25 20 508.0 6.4 -25 22 558.8 6.4-25 24 609.6 6.4-30 26 660.4 6.4-30 28 711.2 6.4-30 30 762 6.4-35 32 812.8 6.4-35 34 863.6 6.4-35 36 914.4 7.4-35 38 965.2 7.4- 35 40 1016 7.4-40 42 1067 9.7-40 44 1118 9.7-40 46 1168 9.7-45 48 1219 9.7-45 52 1321 9.7-50 56 1422 10.5-50