Circle of Steel 12HN3A GOST 4543-71, 2590-2006
Circle f 40 article 12HN3A
Circle f 50 St 12HN3A
Circle f 56 article 12HN3A
Circle f 70 article 12HN3A
Circle f 100 article 12HN3A
Circle f 110 article 12HN3A with t/o with oblock..
Circle f 115 article 12HN3A
Circle f 120 article 12HN3A
Circle f 120 article 12HN3A t/O.
Circle f 160 article 12HN3A.
Circle f 160 article 12HN3A with Obock.
Circle f 170 article 12HN3A
Circle f 170 article 12HN3A with Obock.
Circle f 180 article 12HN3A.
Circle f 180 article 12HN3A with Obock.
Circle f 190 article 12HN3A with Obock. t/o
Circle f 200 article 12HN3A t/o
Circle f 230 article 12HN3A.
Circle f 230 article 12HN3A Obock.
Circle f 250 article 12HN3A Obock.
Circle f 260 article 12HN3A Obock.