When selecting metals for sealing gases and fluids, several factors such as temperature, pressure, and chemical properties must be considered. The metals listed may provide suitable sealing solutions, but further investigation using the Chemical NACE book is recommended to ensure compatibility with your specific needs.

SECO SEALS manufactures 24-degree, 37-degree, and 45-degree tube fitting gaskets, which may be appropriate for your application.

Disclaimer: This compatibility matrix is intended as a general guideline. Please conduct your own investigation and testing to verify your selection. SECO SEALS assumes no liability from these suggested compatibility matrix suggestions. Material selection for specific applications requires information not contained in this matrix. For further compatibility qualification please send an “Ask the Engineer” web-form submission.

Stainless Steel 305:

Stainless Steel 316: Y

Aluminum:

Copper:

Nickel: