Heavy-weight steel pipes made to DIN 2441-78

DIN 2441-78   Steel grade: St 33.2

Pipes are suitable for work with nominal pressure 25 for liquids and nominal pressure 10 for air and safety gas. Assortment of cold-worked pipes External diameter Wall thickness Nominal weight, plain end pipes mm inch (nom.) mm inch kg/m 21,3 1/2 3,25 0,127 1,45 26,9 3/4 3,25 0,127 1,90 33,7 1 4,05 0,159 2,97 42,4 1 1/4 4,05 0,159 3,84 48,3 1 1/2 4,05 0,159 4,43 60,3 2 4.50 0,177 6,17 76,1 2 1/2 4,50 0,177 7,90 Assortment of hot-worked pipes External diameter Wall thickness Nominal weight, plain end pipes mm inch (nom.) mm inch kg/m 88,9 3 4,85 0,190 10,10 114,3 4 5,40 0,212 14,40 139,7 5 5,40 0,212 17,80   Length of cold-worked pipes:      -random from 1,5 m up to 7 m;      -specified length is subject to agreement.   Length of hot-worked pipes:      -technological length is 6 m±1m;      -the length 4-5 m or 7-8 m is allowed; such pipes are bundled separately (under 10% of       supplied quantity).   Note:      -Pipes are manufactured with plain ends without thread (only seamless).      -Pipes are supplied with "black" surface.      -Eddy-current test is used to check tightness of the pipes.