7-HF-Welding11
13-Hydrostatic-Test11
6Prototyping-System11
12-Ends-Bevelding11
5-Spiral-Accumulator11
11-Cropping11
Spiral Accumulator
10-Sizing11
Uncoiling
9-Air-cooling-Water-cooling11
Raw Material
Welding-Seam-Annealing
End-Beveling
Hydrostatic-Testing
Mechanical-Expansion
Rounding
Straightening
RT-Test
Outside-Welding
Inside-welding2
Molding2
Edge-Crimping2.webp
Rust-Cleaning2
Plate-Feeding