rft ndt

The need for NDT It is very difficult to weld or mold a solid object that has no risk of breaking in service, so testing at manufacture and during use is often essential. During the process of molding a metal object, for example, the metal may shrink as it cools, and crack or introduce voids inside the structure.

Date: Wed, 25 Nov 2020 01:28:59 +0800 (CST) Message-ID: [email protected]> Subject: Exported From Confluence MIME-Version ...