PROJECT SPECIFICATIONS

  • Follow military project specifications and procedures
  • Shipboard application
  • Materials included high-tensile steel, stainless steel, inconel, and chromoly
  • Three forgings that were all S355NL, which meets the EN10025 specifications
  • Combination of three separate forgings and a rolled EH36 plate
  • Rolled ring design with welded forgings
  • Welded nozzles that help to propel the water at varying speeds
  • Requires ABS compliance fabrications welding standards

SERVICES PROVIDED

  • Develop fabrication process and manufacture four custom-designed, 4 ft. diameter transom rings to fit into jet propulsion system at the transom of the ship
  • Fabricated rings channel the water jet flow exiting the stern of the ship at the transom
  • Precision fabrications enable the ship to move 50 Olympic swimming pool lengths every 30 seconds
  • Welding high-tensile steel up to ten inches thick including stainless, inconel, chromoly, carbon and other pipe material to unlimited wall thickness
  • Fabrications of other steel grades and aluminum in thicknesses up to twelve inches

THE RESULTS

  • Fabricated complex transom ring structure that is critical to jet propulsion system
  • Met U.S. Navy and ABS compliance standards
  • Components facilitated state-of-the-art transportation hull design
  • Delivered fabrications on schedule and budget
 

Industrial Fabrication Document Downloads

 

Accreditation, Safety and Design Oversight Standards

Why ASME?

The ASME Certification Mark, which is regarded as the hallmark of acceptance and certification, is used to indicate that the stamped item(s) conform to the ASME Boiler and Pressure Vessel Code (BPVC), as well as the Bioprocessing Equipment (BPE) Standard, and Reinforced Thermoset Plastic Corrosion-Resistant Equipment.

What is an ASME Welder?

The most commonly used codes for qualifying welders are the American Society of Mechanical Engineers (ASME) Section IX and American Welding Society (AWS) D1.1.  This code signifies that the welder has been certified, accredited, has undergone safety training, and is an expert welding professional.

 

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