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Standard

Aluminum Alloy Extrusions 7.8Zn - 2.6Mg - 2.0Cuu - 0.10Zr (7068-T6511) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated

2019-09-18
WIP
AMS4331A
This specification covers an aluminum alloy in the form of extruded bars, rods, shapes (profiles), and tubing.

These extrusions have been used typically for structural parts requiring a combination of high tensile strength and moderate fatigue strength, but usage is not limited to such applications.

Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking; SAE ARP 823 recommends practices to minimize such conditions.

Standard

Aluminum Alloy, Plate (7065-T7651) 7.7Zn – 2.1Cu – 1.65Mg - 0.10Zr Solution Heat Treated, Stress-Relieved, and Overaged

2019-09-18
WIP
AMS4351A

This specification covers an aluminum alloy in the form of plate products from from 1.000 to 6.000 inches (152.40 mm) in thickness.

7065-T7651 may be used in aerospace applications requiring high strength and good fracture toughness, good resistance to stress-corrosion cracking and to exfoliation corrosion, but usage is not limited to such applications.

Standard

Filiform Corrosion Test Procedure for Painted Aluminum Wheels and Painted Aluminum Wheel Trim

2019-09-18
WIP
J2635
This test procedure defines a laboratory procedure for generating and evaluating filiform corrosion on painted aluminum wheels and painted aluminum wheel trim. While this test was developed specifically for the testing of painted aluminum wheels and wheel trim it may be applicable to other components. The application owner will need to assess if this test generates filiform similar to that found in the relevant usage to ensure it will provide accurate data for the application.
Standard

Wheel and Wheel Trim Weathering Testing for Paint Coatings

2019-09-18
WIP
J2633
This SAE lab test procedure should be used when performing the following specialized weathering tests for wheels; Florida Exposure, QUV, Xenon and Carbon Weatherometer. In addition to these procedures, some additional post-weathering tests may be specified. Please refer to customer specifications for these requirements.
Standard

Scribing of Coatings in Preparation for Testing of Wheels and Wheel Trim

2019-09-18
WIP
J2634
This SAE practice is intended for the sample preparation of test pieces for automotive wheels and wheel trim. The practice provides a consistent scribing method for use on test panels and or component parts with substrate chemical pretreatment and coating systems. Test specimens can then be subjected to various corrosion tests in order to evaluate performance without significant variations of the degree of exposure of the substrate. The scribing is used to create a break in the coating/finishing as can occur in the field through gravel and other damaging conditions. Significant variability is attributed to surface contour, coating hardness/softness, operator reproducibility, and the scribing tool and it's condition.
Standard

Corrosion Test Master Establishment

2019-09-18
WIP
J2636
This SAE lab recommended practice may be applied to corrosion test methods such as salt spray, filiform, Corrosion creep back, etc. This procedure is intended to permit corrosion testing to be assessed between Laboratories for correlation purposes.
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