1 Seamless structural steel pipes 2 Seamless steel pipes with special requirements. For mechanical use 3 Seamless steel pipes for pressure equipment. Non-alloy steel pipes with properties guaranteed at room temperature. 4 Seamless steel pipes for pressure equipment. Non-alloy and alloy steel pipes with properties guaranteed at increased temperature. 5 Seamless steel pipes for pressure equipment, alloy fine-grained steel pipes. 6 Seamless steel pipes for pressure equipment. Non-alloy and alloy steel pipes with properties guaranteed at low temperature. 7 Seamless steel pipes for distribution of flammable materials. 8 Welded steel pipes for pressure equipment. Steel pipes with properties guaranteed at room temperature. 9 Cold shaped welded structural steel closed sections, non-alloy, from fine grained steel, black and galvanized 10 Welded steel pipes for mechanical and general purposes 11 Seamless steel pipes cold drawn 12 Welded, cold drawn pipes 13 Welded, cold shaped, calibrated precise pipes 14 Welded, cold shaped pipes of square and angular sections 15 Cold shaped, welded, closed steel sections of square and angular profiles 16 Steel flanges Calculation of tube weight Outside diameter mm Inside diameter mm Length mm Wall thickness mm Density of iron g/cm3 Tube weight kg Calculation of tube lenght Outside diameter mm Inside diameter mm Weight kg Wall thickness mm Density of iron g/cm3 Tube lenght kg
