Put to the test

The tests sought ways to improve machining productivity with faster cutting speeds, and reduced tool wear and set-up times.

Sandvik Sanmac 2205 duplex stainless steel hollow bar and duplex material grade solid bar were compared in extensive machining operations. Sanmac 2205 has modified and controlled non-metallic inclusions for improved machinability, without jeopardizing corrosion resistance or mechanical strength. The hollow bar exhibited considerably less wear overall, and needed only five machining operations compared to seven for the solid bar.

It concluded that Sanmac 2205 hollow bar can facilitate productivity improvements of more than 200% and a 20% increase in cutting speeds, with longer tool life capacity. With these qualities, A.V.V. Added Value for Valves can now achieve better output, growth and cost savings.