Abstract
Existing stainless steel hydrocarbon sample vessels were heavy and sometimes suffered corrosion problems. There was a need to redesign in an alternative material that would meet the requirements for pressure, temperature, weight, corrosion resistance, availability and cost.
A materials survey led to titanium 318 being chosen. The redesign took full account of the different properties of the new material, particularly its relatively low stiffness.
Following detailed discussions with the material supplier and the manufacturer, prototype vessels were designed, manufactured and tested successfully. This led to the production of many more sample vessels, and an increased use of titanium 318 for other pressure vessels.
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