Types of construction
Transverse framing Transverse framing is used primarily for ships less than 120…
Longitudinal framing, deck and shell
Deck girders: These are longitudinal members that combine with the beams to…
Definitions of hull elements
Keel: The keel is a member, or series of members, running longitudinally…
Longitudinal framing
Longitudinal framing (also called the Isherwood system after British naval architect Sir Joseph Isherwood, who patented it in 1906)…
Ship’s Bottom Structure
One of the most integral parts of the ship is its bottom structure.…
Weld Defects and Weld Quality Testing
Every weld joint is inspected by a team of trained inspectors for…
Welding Practices in the Shipbuilding Industry
Multiple Passes: When plates of high thicknesses are welded (usually more than 5…
Gas Shielded Arc Welding Processes
Gas shielded arc welding processes use a blanket of a gas, instead…


