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The commercial name: precision pipes.

Dimensional range:
a) Seamless Cold Drawn Steel Pipes
- Outer diameter: 21.3 – 114 mm
- Wall thickness: 2,3 – 12.5 mm ;
The steel grades, technical delivery conditions, dimensions and dimensional
tolerances are specified in SR EN 10305-1 / EN 10305-1.
The steel grades for seamless cold drawn steel pipes are: E215; E235; E355.

b) Welded calibrated pipes, square and rectangular
- Dimensions for square pipes: 15x15x1- 4mm ÷ 80x80x2-4 mm;
- Dimensions for rectangular pipes: 20x10x1-2 mm ÷ 120x60x2-4 mm.
The steel grades, technical delivery conditions, dimensions and dimensional tolerances for welded and calibrated pipes comply with SR EN 10305-5 / EN 10305-5.
The steel grades for welded and calibrated pipes, square and rectangular are as follws: E155; E195; E235; E275; E355.