Archive for the “Water Systems” Category

ANALYSIS OF A FRACTURED BRASS TEE PLUMBING FITTING SUMMARY: A fractured brass tee plumbing fitting was analyzed to investigate the cause of the fracture at one of the brass tee nipples. Results indicate the brass plumbing fitting fractured due to stress corrosion cracking (SCC).  The crack initiated on the ID surface of the brass tee […]

ANALYSIS OF DEGRADED BRASS PLUMBING FITTINGS Summary: Two, one-inch, 90° elbow brass plumbing fittings were received for analysis of extensive deterioration and leakage. Results indicated the fittings were severely degraded, due to “plug-type” dezincification corrosion. The dezincification corrosion was due to the high concentration of internal deposits, hot water temperature, water pH and chloride content, […]