Basic core parameters.

1. Specifications and Dimensions

Outer diameter: 426mm, wall thickness: 8mm, inner diameter: 410mm.

Nominal diameter: DN400

Theoretical weight per meter: 82.46 kg/m; a standard length of 6 meters ≈ 494.76 kg/piece; a standard length of 12 meters ≈ 989.52 kg/piece.

2. Common materials: Q235B (engineered grade, stable strength, highest value for money); Q355B for specialized structures.

3. Standard cut lengths: Export standard is 6 meters; custom lengths of 9 meters or 12 meters are also available. The majority feature plain ends, but can be processed with bevels or flanges.