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C70600

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Published: 01 June 2019
Fig. 1 Copper alloy C70600 tube from a hydraulic-oil cooler. The cooler failed from crevice corrosion caused by dirt particles in river water that was used as a coolant. (a) Inner surface of hydraulic-oil cooler tube containing a hole (arrow A) and nodules (one of which is indicated by arrow B More
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Published: 01 January 2002
Fig. 5 Copper alloy C70600 tube from a hydraulic-oil cooler. The cooler failed from crevice corrosion caused by dirt particles in river water that was used as a coolant. (a) Inner surface of hydraulic-oil cooler tube containing a hole (arrow A) and nodules (one of which is indicated by arrow B More
Image
Published: 30 August 2021
Fig. 5 Copper alloy C70600 tube from a hydraulic-oil cooler. The cooler failed from crevice corrosion caused by dirt particles in river water that was used as a coolant. (a) Inner surface of hydraulic-oil cooler tube containing a hole (arrow A) and nodules (one of which is indicated by arrow B More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048708
EISBN: 978-1-62708-229-7
... Abstract The horizontal heat-exchanger tubes made of copper alloy C70600, in one of two hydraulic-oil coolers in an electric power plant, leaked after 18 months of service. River water was used as the coolant in the heat-exchanger tubes. Several nodules on the inner surface and holes through...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048733
EISBN: 978-1-62708-235-8
... Abstract The brine-heater shell in a seawater-conversion plant failed by bursting along a welded joint connecting the hot well (C70600 per ASTM B 466) to the heater shell (ASTM A285, grade C steel). Three cracks in the welded joints between the heater shell and the hot well were revealed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091806
EISBN: 978-1-62708-219-8
... by microbial induced corrosion by sulfate-reducing bacteria. No recommendations were made. Bacterial corrosion Microbial induced corrosion 92Cu-8Zn C68700 UNS C68700 C70600 UNS C70600 C71500 UNS C71500 Biological corrosion A failure of buried brass (92% Cu, 8% Zn) piping used to carry...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001673
EISBN: 978-1-62708-227-3
... elements detected. In the base metal tube spectrum copper, nickel and iron were detected. The chemistry was in agreement with alloy C70600 (UNS), also known as 90-10 cupronickel [ 1 ]. Cupronickels are known for their resistance to seawater corrosion. They are used in seawater piping evaporators...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046469
EISBN: 978-1-62708-229-7
..., copper nickels, such as copper alloys C70600 (10% Ni), C71000 (20% Ni), and C71500 (30% Ni) are used. Selected Reference Selected Reference • Forms of Corrosion , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 761 – 795 10.31399/asm.hb.v11.a0003548 ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001521
EISBN: 978-1-62708-229-7
... that the following alloys do not have a tendency for stress corrosion cracking in auxiliary heat exchangers (oil coolers): 90Cu-10Ni, 70Cu-30 Ni, arsenical copper, Alloy 194, and aluminum bronze. As a result, the use of 90Cu-10Ni (B111-Alloy C70600) is recommended for the replacement tubes. In addition...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001044
EISBN: 978-1-62708-214-3
... standby mode, it was recommended that the condenser tube material be upgraded to one with better general corrosion and SCC resistance. Based on corrosion resistance, availability, price, and compatibility with the existing Muntz metal tube sheets, 90Cu-10Ni (UNS C70600) was selected for retubing. The 70Cu...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... and were made of copper alloy C70600 (copper nickel, 10%). Five of the tubes that were leaking were removed and sectioned lengthwise. One section of each tube was sent to the manufacturer of the cooler, and the other was sent to the power company laboratory for determination of the cause of failure...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... thickness and were made of copper alloy C70600 (copper nickel, 10%). This alloy is generally considered to have excellent corrosion resistance. Five of the tubes that were leaking were removed and sectioned lengthwise. One section of each tube was sent to the manufacturer of the cooler, and the other...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2