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Dimensional range for non-alloy steel pipes, with ambient temperature characteristics
specified:
- Outer diameter: 21.3 ÷ 114.3 mm;
- Wall Thickness : 2.4 ÷ 4.1 mm;

The methods, manufacturing technologies and states of delivery for welded steel pipes
for pressure purposes comply with SR EN 10217 – 1 / EN 10217-1.
Non-alloy steel grades, with ambient temperature characteristics specified for welded
steel pipes for pressure purposes are: P195TR1; P195TR2; P235TR1; P235TR2; P265TR1;
P265TR2.
For steel grades with symbol TR1, the aluminium contents, energy of fracture and specific
inspection are not specified.
For steel grades with symbol TR2, the aluminium contents, energy of fracture and specific
inspection are specified.