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C70600

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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 and heat...
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
... on the alloy as a film and thereby hinder deposition of copper. For severely corrosive environments where dezincification occurs or for critical parts, copper nickels, such as copper alloys C70600 (10% Ni), C71000 (20% Ni), and C71500 (30% Ni) are used. ...
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
.... As a result, the use of 90Cu-10Ni (B111-Alloy C70600) is recommended for the replacement tubes. In addition to switching to a more corrosion-resistant alloy, extreme care should be taken in the manufacturing of the replacement tube bundles to avoid imparting any residual tensile stresses in the tubing...
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
..., 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-30Ni tubes in the air...
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
... in.) in diameter with a 0.6-mm (0.025-in.) wall thickness 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...
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
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
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