The project's TTR&Keel Guide project meets the production requirements under the harsh sea conditions in the North Sea of ​​the UK and implements the EEMUA standard. It is the first project to build the EEMUA standard for COSCO Shipyard. The structural materials are EQ43, API2WGR60 and other high-strength steels, 70% welding. The seam is a single-sided welded double-sided forming weld of the TKY joint. This specification is more stringent than other specifications for weld quality, process control, and dimensional control.
In order to ensure the smooth progress of the project, Nantong COSCO Shipyard Quality Management, the project team and workshop attached great importance to the implementation of Quality Management Department 24-hour monitoring of the welding process and dimensional changes, and ultimately UT passing rate of 99.44%, and no secondary repair cracks and other defects. The overall size is up to 10mm (the specification requires less than 25mm), and the size of the wellhead structure is up to 4mm (the specification requires less than 10mm). Praise shipowners, ship inspection, but also for the subsequent execution EEMUA standard "hard number" (N389) offshore construction project has accumulated valuable experience.
TIG Series DC Inverter Welding Machine
Dc Inverter Welding Machine,Inverter Welding Machine,Welding Machine
Juba Welding Equipments Manufacturing Co., Ltd. , http://www.zjweldingmachine.com