https://stream.echo6.co/videos/watch/479333bb-5c39-4574-af4b-a27cc5b55d80 http://www.weldingtipsandtricks.com/cast-aluminum-welding.html Tips for tig welding cast aluminum. Aluminum castings are full of impurities and porosity. Limiting heat input can help. Wed, 22 Apr 2026 04:35:32 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/479333bb-5c39-4574-af4b-a27cc5b55d80 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.