lowest cost of quality.” Te components were cast via the nobake sand casting process utilizing a 50 ksi grade of steel casting to an ASTM A958 specification, which is one of a number of standard grades for the structural market. Te two companies used a col-
laborative relationship to produce the connections. Tere was feedback, give-and-take, input, and evidence of a strong professional relationship. “Not everybody can do this because
The cast steel connection is visible from the area in front of Arthur Ashe Stadium.
there are a lot of technical and qual- ity back-and-forth between the two because of the importance of these components, not only the structural integrity but also the expectation visually,” Braun said. “In addition, the precision needs to be put in the weld- prep areas so that these castings fit into the plane. Tis allows them to be fabricated in position without creat- ing potential dimensional issues at the fabricator when he goes to do fit-up.” Braun said “getting off on the right
foot” was important for the project. Te metalcaster didn’t want to get far along and find out the finished com- ponent did not match expectations. Representatives of different parts of
The incomplete roof, anchored by the con- nections, was in place for the 2015 U.S. Open.
30 | METAL CASTING DESIGN & PURCHASING | Mar/Apr 2016
Photo courtesy of Cast Connex.
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