QQ-N-286 Nickel-Copper-Aluminum Alloy, Wrought Uns N05500This specification covers all nickel-copper-aluminum alloy wrought forms formerly classified as class A. This alloy is designated under the Unified Numbering System for Metals and Alloys as UNS N05500. Except for cases where nonmagnetic properties are paramount, this alloy is intended to be age hardened prior to placing the material in service.

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Ordered thickness, (inches)

Tolerances on thickness for widths given 1/ (inches, plus or minus)

Less than 12 inches wide 1/

48 inches or less wide

Over 48 to 60 inches wide, inclusive

Sheet

0.018 to 0.025, incl

0.002

0.003

Over 0.025 to 0.034, incl

0.003

0.004

Over 0.034 to 0.043, incl

0.004

0.005

Over 0.043 to 0.056, incl

0.004

0.005

Over 0.056 to 0.070, incl

0.005

0.006

Over 0.070 to 0.078, incl

0.006

0.007

Over 0.078 to 0.093, incl

0.007

0.008

Over 0.093 to 0.109, incl

0.007

0.009

Over 0.109 to 0.125, incl

0.008

0.010

Over 0.125 to 0.140, incl

0.008

0.010

Over 0.140 to 0.171, incl

0.009

0.012

Over 0.171 to 0.187, incl

0.010

0.013

Over 0.187 to 0.218, incl

0.011

0.015

Over 0.218 to 0.234, incl

0.012

0.016

Over 0.234 to 0.250, incl

0.013

0.018

Strip

0.010 to 0.050, incl

0.0015

Over 0.050 to 0.093, incl

0.0025

Over 0.093 to 0.125, incl

0.0040

Over 0.125 to 0.156, incl 2/

0.0045 3/

Over 0.156 to 0.250, incl 2/

0.0055 3/