revised: Customer process assembly of the superstructure in the Shipbuilding sector

Assembly of the superstructure

in Shipbuilding

PROCESS DESCRIPTION

In the case of cruise liners, aluminium superstructures are also installed. Sections made from this material have a weight advantage and enable higher superstructures than comparable ones made of steel. Thus, larger ships can be built, allowing larger numbers of passengers. The welding and cutting processes used to make the sections are similar for both aluminium and steel. However, the welding processes with aluminium require the use of inert gases. Thus, arc welding methods such as MSG welding (here, MIG welding) or laser beam welding are applicable, but not gas welding or flame cutting.

 

revised: Application technology assembly of the superstructure in the Shipbuilding sector

Assembly of the superstructure

Total gas supply concept

Asset Publisher

null Cylinders - Cylinder Markings

Cylinder marking

Compressed gas containers are identified by imprinting on the cylinder shoulder. The imprinting contains the specific cylinder number as well as information about approval for gas species, test dates, materials, owner, etc.

Please note, that the imprint of the approval for gas species is no indication of the actual contents; this is solely specified on the label of the cylinder.

The color of the cylinder shoulder carries some important information on the cylinder content. With the introduction of EN 1089-3, the color codes for gases in compressed gas cylinders were unified in Europe. A distinction is made according to four possible risk potentials: inert, flammable, oxidizing and toxic/corrosive. In addition, for some gases special colors are explicitly defined, e.g. white for oxygen or black for nitrogen. 

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