Fractographic and microstructural analysis of stress corrosion cracking of A533 Grade B Class 1 plate and A508 Class 2 forging in pressurized reactor-grade water at 93 degrees C

Technical Report · Fri Jan 25 04:00:00 EST 1980

OSTI ID:7173617

Provenzano, V; Torronen, K; Sturm, D; Cullen, W H

Stress corrosion cracking (SCC) studies were conducted in two commonly used pressure vessel steels: A533 Grade B Class 1 (A533-B-1) plate and an equivalent A508 Class 2 (A508-2) forging. The purpose of these studies was to determine the response of the materials in simulated pressurized water reactor environment. Round tensile specimens, 32 mm (1.25 in.) along the gage section and 9.5 mm (0.375 in.) in diameter, were bolt-loaded to 75 to 80 percent of yield and left in the water at 93C for 2000 hr. At the end of this period, the specimens were taken out of the water, unloaded, and examined by scanning electron microscopy (SEM) and by energy dispersive x-ray analysis.

• Research Organization: Naval Research Lab., Washington, DC (USA)
• OSTI ID: 7173617
• Report Number(s): NUREG/CR-1127
• Country of Publication: United States
• Language: English

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