The vendor will provide beryllium stock for the manufacture of the
Inner Central Skin (Cornell drawing 6058-029 REV A) and the Outer Central Skin
(Cornell drawing 6058-030 REV A). The stock must meet the following
Material Type will be S-200-F H Grade Beryllium. This is a
specification of Brushwellman for a Hot Isostatically Pressed (HIP) high
Material Purity will
be more than 99% beryllium, and the impurities will not
lower the overall radiation length of the material by more than 10%
from pure beryllium. This must be verified by providing the results of
a beryllium assay to the technical contacts.
Mechanical Properties of the beryllium stock will meet or exceed the
following as determined per ASTM E-8 and MAB-205M.
This must be verified by proving the results of the mechanical tests to the
No Inclusions in the beryllium stock that will harm the finished
beryllium objects. This must be verified by performing x-ray inspection and
providing detailed inspection reports to the technical contacts.
Stock Approval will be issued by Cornell within ten day of receiving
acceptable test reports. If the stock is unacceptable, the reason will
be communicated within ten days of receiving a set of test reports.