DGS Metallurgical Solutions, Inc.

DGS Metallurgical Solutions, Inc.


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View the qualifications for Doug Stalheim - technical consultant and metallurgical engineer
Read about our Steel and Aluminum Processing experience and capabilities
See the examples and applications of Steel and Aluminum Products that we have developed or collaborated
Discover Additional Metallurgical Technical Consulting Services we offer such as Material Failure Analysis and Microstructural Analysis
View the list of Technical Papers and Presentations we have completed

Technical Papers and Presentations by DGS Metallurgical Solutions, Inc.

Papers

“The Use of High Temperature Processing (HTP) Steel for High Strength Oil and Gas Transmission Pipeline Applications” - Fifth International Conference on HSLA Steels, Chinese Society of Metals, China, November 2005.

"Transmission Pipeline Applications” - Fifth International Conference on HSLA Steels, Chinese Society of Metals, China, November 2005.

“Alloy Designs for High Strength Oil and Gas Transmission Linepipe Steels” - International Symposium of Microalloyed Steels for the Oil and Gas Industry, CBMM/TMS, Brazil, January 2006.

“Ferrite/Acicular Ferrite Alloy Designs for API X80 Gas Transmission Linepipe Steels” - Modern Steels for Gas and Oil Transmission Pipelines, Problems and Prospects, International Seminar, Moscow, Russia, March 2006.

“Micromechanics of Embrittlement of Materials for Hydrogen
Delivery”
- A collaboration with the University of Illinois , Sandia National Laboratories, and Oak Ridge National Laboratories. Presented at the 6th ASME International Pipeline Conference, Calgary, Canada, September 2006.

“The Role of Niobium in High Strength Oil and Gas Transmission Linepipe Steels” - Presented at the 6th ASME International Pipeline Conference, Calgary, Canada, September 2006.

“The Role of Continuous Cooling Transformation Diagrams for High Strength Oil and Gas Transmission Pipeline Steels” - Presented at the 6th ASME International Pipeline Conference, Calgary, Canada, September 2006.

“The Application of High Temperature Processing (HTP) Steels for Oil and Gas Transmission Pipelines” - Presented at IBP Rio Pipeline Conference & Exposition 2007, International Pipeline Conference, Rio de Janeiro, Brazil, October 2007.

“The Development of High Temperature Processing (HTP) Pipeline Steels at Nanjing Iron and Steel Company, Nanjing China” - Presented at IBP Rio Pipeline Conference & Exposition 2007, International Pipeline Conference, Rio de Janeiro, Brazil, October 2007.

“Continuous Cooling Transformation Diagrams Use in Material Design for Pipeline Steels” - To be presented at the 3rd Baosteel Biennial Academic Conference (BAC) 2008, Shanghai, China, August 2008.

“Metallurgical Considerations for Commercial Steels used for Hydrogen Service” - To be presented at the Hydrogen08 Conference, Jackson Hole, WY USA September 2008.

“Improved DWTT Performance on Heavy Gauge API Plate and Coil from 150 and 180 mm Thickness Slab at Nanjing Iron and Steel Company, Nanjing China” - To be presented at the 7th ASME International Pipeline Conference, Calgary, Canada, September 2008.

“The Development of X80 Steel Plate and Coil for the 2nd West-East Pipeline Project, Nanjing Iron and Steel Company, Nanjing China” - To be presented at the 7th ASME International Pipeline Conference, Calgary, Canada, September 2008.

“Modern High Strength Steels For Oil and Gas Transmission Pipelines” - To be presented at the 7th ASME International Pipeline Conference, Calgary, Canada, September 2008.

“Development of Welding Procedures for the X70/X80 Rockies Express Pipeline Project” - To be presented at the 7th ASME International Pipeline Conference, Calgary, Canada, September 2008.

Presentations

The Metallurgy of Steel and Aluminum - Basic 8 hour Metallurgical Training Course on Steel and Aluminum.

“Materials Solutions for Hydrogen Delivery in Pipelines” - Summary of US Department of Energy Funded Research and Development Effort of Hydrogen Fuel Cells and Infrastructure Technologies Program, US Department of Energy Workshop, Augusta, GA USA, August 2005.

“The Use of Microalloyed Steels for Steckel Mill Rolling of Plate and Coil” - Short Course of Practical Use of HSLA Steels in Steckel Mill Rolling including API Grades. Presented at “International Symposium of Steckel Mill Processing Technology”, Nanjing, China, September 2005.

The Use of Microalloyed Steels for Rolling of Plate and Coil” - Basic 2 hour Course on the Practical Use of HSLA Steels in Rolling of Plate and Coil including API Grades. Presented at Baoshan Steel and Shagang Steel, China, September 2005.

“ On the Development of Fracture Criteria for Hydrogen Embrittlement of Pipeline Steels” - Discussion on Fracture Mechanics in Hydrogen Embrittlement of API Pipeline Steel. A collaboration with the University of Illinois, Sandia National Laboratories, and Oak Ridge National Laboratories. Presented at ASTM TF G.01.06.08 Hydrogen Gas Embrittlement Workshop, Dallas , Texas USA , November 2005.

“API Pipeline Steels Training” - Short 4 hour course on the design of pipelines, alloy design to meet the pipeline requirements, equipment capability and layout, physical property of skelp and pipe, and field weldability. Presented at Nanjing Steel, China, November 2005.

“Materials Solutions for Hydrogen Delivery in Pipelines” - Summary of US Department of Energy Funded Research and Development Effort of Hydrogen Fuel Cells and Infrastructure Technologies Program, Arlington VA USA, May 2006.

“The Use of Microalloyed Steels for Steckel Mill Rolling of Plate and Coil - Modified” - Short Course of Practical Use of HSLA Steels in Steckel Mill Rolling including API Grades Highlighting the use of HTP Steels. Presented at “International Symposium of Niobium Processing Technology”, Beijing and Anyang, China, June 2006.

“Material Challenges in the Use of High Strength Steel Pipelines for High Pressure Hydrogen Gas Transmission” - 2nd Hydrogen Panel Forum “Hydrogen Pipeline Transmission: Updates and Opportunities”, 6th ASME International Pipeline Conference, Calgary, Canada, September 2006.

“Alloy Designs and Property Evolution during Pipemaking for High Strength Oil and Gas Transmission Linepipe Steels” - CBMM/CITIC Symposium on Development, Specifications and Welding of High Strength Linepipe, Beijing China, December 2006.

“Alloy Design, Processing, Microstructure and Property Evolution during Pipemaking of X80 HTP Steels” - CBMM/CITIC Symposium Line Pipe Steel Metallurgy and Pipe Supply in the New Millennium, Beijing China, August 2007.

“Materials Solutions for Hydrogen Delivery in Pipelines” - Department of Energy Pipeline Working Group for Hydrogen Delivery, Sandia National Laboratory, Livermore, CA USA February 2008.

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For more information, please contact:
Doug Stalheim
DGS Metallurgical Solutions
Vancouver, WA - USA
Phone: (360) 713-2407
Fax: (360) 882-1775
Email: dgstalheim@dgsmet.com

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