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MIL-H-22072 Figure 2 stirring corrosion test with metal coupons

MIL-H-22072 §4.6.11 Test Panels

Test panels used in MIL-H-22072 §4.6.11 stirring corrosion testing. These test panels measure 1" x 3/8" x 1/16" and have a 1/4" center hole. The test method calls for panels made from different metals: 

  • QQ-C-576 Copper
  • QQ-B-728 Class B Manganese Bronze
  • QQ-B-639 / C464 Naval Brass
  • MIL-S-22698 Grade DH-36 Steel
  • MIL-S-18729 Condition A Steel

The test panels are assembled according to Figure 2, and are held in electrical contact by a 302 stainless steel washer (3/4" OD, 1/4" ID, 1/32" thick). Fluoropolymer (Teflon or equivalent) washers and Buna-N synthetic rubber o-rings are also used.

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