30/04/2021 – Nondestructive test systems
Testing wire and rod over the years
Magnetic Analysis Corp., (MAC) joins in congratulating WIRE on its 70 years covering the growth of the wire industry. A designer and manufacturer of nondestructive test systems, MAC was founded in 1928 and since then has made important contributions to testing technology for wire, cable and bar.
Magnetic Analysis Corp.’s electromagnetic test equipment detecting cracks in cold drawn steel rod in 1934 at Union Drawn Steel. © Magnetic Analysis
Magnetic Analysis Corp.’s electromagnetic test equipment detecting cracks in cold drawn steel rod in 1934 at Union Drawn Steel. © Magnetic Analysis
“Multi Mac SM” eddy current instrument from Magnetic Analysis Corp. © Magnetic Analysis
In the June 3, 1940 issue of Time magazine, this ad from Jones & Laughlin Steel Co. shows an electromagnetic MAC tester for inspecting cold-drawn bars © Magnetic Analysis