AN807 REV 7
TABLE I. Material designator.
Material
Material/finish
designator
Blank
Copper alloy
C
Copper alloy, cadmium plated
D
Aluminum alloy 2024
J
Corrosion resistant steel alloy 304
K
Corrosion resistant steel alloy 316
R
Corrosion resistant steel alloy 321
W
Aluminum alloy 7075-T73 only
Finish:
Aluminum alloy.
Material designator D: Anodized in accordance with MIL-A-8625, type II, class 2, dye blue.
Material designator W: Anodized in accordance with MIL-A-8625, type II, class 2, dye brown.
Corrosion resistant steel. Passivated in accordance with SAE AMS2700, type II.
Copper alloy. Designator letter C only. When specified in the Part or Identifying Number (PIN) the
copper alloy part shall be cadmium plated in accordance with SAE AMS-QQ-P-416, type II, class 3
(see table I).
Past experience has shown that 3000 psi pressures should be reduced for certain sizes for aluminum and
copper alloys. Table II shows the operating pressures for associated material types.
TABLE II. Operating pressures for associated material.
Size designator
Material
psi
2-8
Aluminum alloy
3000
10-16
Aluminum alloy
1500
20
Aluminum alloy
1000
2-8
Copper alloy
3000
10-16
Copper alloy
1500
20
Copper alloy
1000
2-16
Corrosion resistant steel
3000
20
Corrosion resistant steel
1500
3
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