Medium-weight steel pipes made to DIN 2440-78

DIN 2440-78   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 2,65 0,104 1,22 26,9 3/4 2,65 0,104 1,58 33,7 1 3,25 0,128 2,44 42,4 1 1/4 3,25 0,128 3.14 48,3 1 1/2 3,25 0,128 3,61 60,3 2 3,65 0,144 5,10 76,1 2 1/2 3,65 0,144 6,51 Assortment of hot-worked pipes External diameter Wall thickness Nominal weight, plain end pipes mm inch (nom.) mm inch kg/m 88,9 3 4,05 0,160 8,74 114,3 4 4,50 0,177 12,10 139,7 5 4,85 0,190 16,20   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.