Reassessing Weld Repair Limits: Mechanical Performance of DH36 Steel Under Repeated Heat Cycles
This presentation explores groundbreaking research from Seaspan's Welding and Materials Testing Lab examining the effects of repeated weld repairs on DH36 marine steel. Through extensive mechanical testing, the study challenges traditional repair limits and provides data-driven insights into weld integrity, toughness, and performance after multiple heat cycles.
Hassan Saghafifar
Materials and Welding Laboratory Supervisor
Seaspan Shipyards
Welding Industry Day June 2026
Welding Industry Day June 2026
High Deposition Subarc Through Resistive Heating
Boosting Productivity with High-Deposition Submerged Arc Welding Through Resistive Wire Heating
Industrial Applications of Handheld Laser Beam Welding for Military-Grade Aerospace Titanium and Nickel Based Alloy
Handheld Laser Beam Welding for Aerospace and High-Performance Alloys: Applications, Standards, and Qualification Requirements
Microwelding of NiTi Alloys for Medical Device Applications
Microwelding of NiTi Alloys for Medical Device Applications: Advancing Dissimilar Metal Joining for Biomedical Devices
Protecting Welders, Protecting the Trade
Protecting Welder Health Through Awareness, Education, and Clean-Air Solutions
Presentations
Presentations
Submerged Arc Welding Considerations for Canadian Shipbuilding for Polar Conditions
Optimizing One-Sided Submerged Arc Welding for Canada's Next Generation of Polar-Class Vessels
The Future of Plate Cutting is Here — Are You Ready?
The Future of Plate Cutting: Advancing Productivity and Precision with Fiber Laser Technology
CSA W47.1: 2025 Edition Changes
Understanding the Key Changes to CSA W47.1:2025
CWB Learning Resources Advancing Welding Education
Presented by Cody Vigeant (CWB Group) during Welding Industry Day- February 11th, 2026