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CA-6NM

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Published: 01 January 2002
Fig. 2 Vibratory cavitation erosion of CA-6NM martensitic stainless steel. (a) Deformation rumpling and pitting at lath boundaries. (b) Early stage of material removal More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046422
EISBN: 978-1-62708-234-1
... as erosion-producing conditions. Dynamometers Stator blades CA-6NM UNS J91540 Erosive wear Corrosive wear Cavitation wear Figure 1 shows severely eroded stator vanes of a hydraulic dynamometer for a steam-turbine test facility. The stator was cast from a copper-manganese-aluminum alloy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
..., were constructed of 12 to 13% Cr steel (CA-15), air cooled from about 1000 °C (1832 °F) and tempered in the range of 590 to 815 °C (1095 to 1500 °F). In recent years, CA-15 has been largely supplanted by CA-6NM, a 12 to 14% Cr casting grade with 4% Ni, which has somewhat better weldability...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... corrosion resistance in a feedwater environment, and because of their higher hardness, they provide improved erosion resistance. Several grades of cast stainless steels are available: CA6NM, CA-15, and CA-40. CA-6NM has the best corrosion resistance, but is the most expensive. CA-40 has the best erosion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... heat treated to the hardness level found in the failed component (43–50 HRC) would be sensitive to pure water SCC. Pump Impeller: The impeller is fitted at the bottom end of the tapered shaft and is keyed and locked in place. The impeller material is SA-487 CA-6NM. The impeller is 100...