moisture resistant 7018?

admin

Im looking for some 'moisture resistant' 7018, only one I've heard of is Hobart 718MC but I cant find anything about it (prices etc.) who else makes it? anyone ever use this stuff before?ThanksWeldin rodLast edited by weldin rod; 09-03-2010 at 07:00 PM.Reason: grammer
Reply:Liquid Air in Canada makes a nice 7018 low moisture pickup rod. It is a new blueshield rod said to run the same as the smooth running regular blueshield 7018 electrode.JasonLincoln Idealarc 250 stick/tigThermal Dynamics Cutmaster 52Miller Bobcat 250Torchmate CNC tableThermal Arc Hefty 2Ironworkers Local 720
Reply:Lincoln, Wanna say "excalibur", 7018-MR for moisture resistant.  May be 7018-ACMR, know its lincoln, so look at the lincoln knowledge base and you will find it their.BobI'm spending my Kids inheritance, I dont like him that much anyway!!!!!!Enuff tools to do the job, enough sense to use em.Anybody got a spare set of kidneys?  Trade?
Reply:Lincoln Excalibur is one of them. General designation for ultra low hydrogen is E7018-1H4R.Different makers have use different flux coatings to reach this designation and give directions for rod care to achieve H4 condition (4ml/100g of diffusible hydrogen).For a long time MG and McKay have been making these rods that also are very moisture resistant and need no rod oven or re-bake care to conform to H16 condition.The MG is 518, and is sold in 40lb cardboard cartons usually priced the same as normal 50lb 7018 tins from other makers. I can't remember the McKay numbers but they come in metal cans that re-seal and are similar in price to MG. You can really bend these rods in strange shapes BTW.Matt
Reply:The problem that I have with those Lincoln Excalibur  rods is that they don't like to burn.You end up turning the amps up to get them to burn and when you stop welding the flux covers over the end of the rod and you end up hammering the end of the rod to get the flux to fall off to get the rod to strike another arc.
Reply:Hey, thanks for all the input guys! I think Im gonna try and find some of that Hobart 718MC. Hopefully its not like 2x the price of regular 7018!
Reply:I use Hobart 418 which is somewhat moisture resistant also. I`ve welded over 40 years in fab shops and portable work in the oilfields and in the last 4 or 5 years have used Hobarts 418 rod. To me is is the best,smoothest running,with the best looking bead I have ever ran.I know this isn`t a rod comparison question but when I purchased my last order of rods,the Hobart 418 was about 25% cheaper than lincolns excalibur. Actually the best price of any brand of 7018 rod i`ve ever used. Everyone has their preferred rod,but I think I`ve got a good handle on which rod runs better,because this 418 rod runs great on all my portables. I know some people say some rods run better on different welders,so this is why I try all popular brands of any rod on all my welders to find the best running rod. I keep trying Esab 7018 now and then when I hear people say they really like it,but this rod  for me ranks on the bottom and costs more than Hobart 418.Excalibur is better but to me the 418 is tops. Actually I think it was a welder on this forum that suggested I try 418 and he was confident I would from then on be a Hobart customer. And like I said these rods were much cheaper than all other brands I priced.