Structural System Design

• Suggestion of optimal steels
• Development of Alternative Design for Structures: onshore/offshore plant structures, etc.

Manufacturing Process and Construction

• Piping simulation technique : suggestion of optimal steels and optimal conditions of the customer
• Customized manufacturing technology for customer facilities
• Welding Material and Welding Technology

Case : Process support of fitting product

Predict the mechanical properties of fitting product during heat treatment process through heat flow analysis combining measurement data

• Analysis heat treatment facilities including furnace and quenching baths
• Develop the numerical model of target heat treatment facilities using field measurement data
• Predict the mechanical properties of fitting product with given heat treatment process
• Provide the recommended heat treatment process for target mechanical properties

Benefits

Provide the expected mechanical properties of fitting product based on the customer’s heat treatment process
Provide the guideline of heat treatment process to meet the target mechanical properties including improvement of heat treatment facilities

Performance Evaluation

• Various structural performance evaluation based on finite element analysis
• Verification of static, dynamic and fatigue performance of large structures using POSCO's own experimental equipment
• Verification of the performance of the actual load of the actual structure on the test bed

Case 1 : Structural performance evaluation for offshore structures

• Experimental and computational fatigue analysis for tubular joints with weld improvement
• Large-scale structural test for TLP tendon porch

• Drop-weight impact test for simulating ice-collision of the arctic ships and offshore structures
• Substitution of SAW brace for seamless in jack-up vessel: structural analysis and residual stress and structural strength measurement

Benefits

Demands for performance evaluation data under offshore environmental loading conditions using standard or non-standard structural tests.
Via structural verification and optimized design, experimental and computational solutions can offer product reliability and competitiveness to its customers.

Case 2 : Evaluation of structural performance of Linepipe & OCTG

Evaluate structural performance including cold bending, tensile, compressive strain capacity and fatigue using full scale testing machines.

• Evaluate allowable bending angle of cold bended X80 spiral pipes using full scale 4 points bending tests
• Evaluate tensile strain capacity of girth-welded pipeline using curved wide plate tensile tests
• Evaluate compressive strain capacity using full scale compression-bending tests of SBD X80/X100 linepipe
• Resonant bending fatigue tests of pipes : Max. f=40Hz, Max. D=24”

Benefits

High reliability and competitiveness of POSCO products via full scale performance evaluation of linepipes.
Optimal design and low-cost fabrication through structural performance evaluation.