https://stream.echo6.co/videos/watch/6e52e91f-59e5-4952-80e5-5fbc94573598 http://www.weldmongerstore.com/ http://www.weldingtipsandtricks.com/carbon-steel.html Welding Low Alloy Steel usually goes better with a preheat. Carbon content is the main factor to consider in how much preheat to use... There is something called a "carbon equivalent formula" that takes into account elements other than carbon that contribute to hardening. For example 4130 chromoly has a carbon content of .30 percent but has a carbon equivalent of .60 percent. Sun, 19 Apr 2026 23:29:07 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/6e52e91f-59e5-4952-80e5-5fbc94573598 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.