best rods for gas welding steel?

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hi all.  just getting started here.  i'm looking for some clarification on welding rods.  i'm using o/a, and am welding mostly 3/16 plate steel.  i don't know what rods to use, flux or no flux, etc.  most places i go have mostly mig and tig rods, but nothing labeled for gas.  can someone give me a basic rundown of sizes, type, etc.?  any help would be appreciated.  i've been all over the net, and can't seem to find a basic guide.thanks!
Reply:You want to look for  RG-45Don't need Flux- any rods you see with Flux are usually for Brazing.Good Readhttp://www.esabna.com/EUWeb/OXY_handbook/589oxy1_1.htmEd Conleyhttp://www.screamingbroccoli.com/MM252MM211 (Sold)Passport Plus & Spool gunLincoln SP135 Plus- (Gone to a good home)Klutch 120v Plasma cutterSO 2020 benderBeer in the fridge
Reply:thanks, ed.  i'll look for rg-45.  and thanks for the link.  good stuff.
Reply:you  dont need flux because the flame is neutral or slightly carburizing so it use up any oxygen around and there s none to cause oxidation in the weld..
Reply:While RG 45's are probably adequate for your work, I qualified an arkansas bell hole with 1/4" wall SA105B using RG65 to Section IX, ASME. When properly used the RG65 will give you a weld with a strength and mechanical properties of any of the E60XX electrodes. The four recognized filler metals for oxyacetylene / oxy/Mapp welding are; RG 45, RG 60, RG65 and R100. per AWS A5.2?5.2M
Reply:Originally Posted by weldingliferWhile RG 45's are probably adequate for your work, I qualified an arkansas bell hole with 1/4" wall SA105B using RG65 to Section IX, ASME. When properly used the RG65 will give you a weld with a strength and mechanical properties of any of the E60XX electrodes. The four recognized filler metals for oxyacetylene / oxy/Mapp welding are; RG 45, RG 60, RG65 and R100. per AWS A5.2?5.2M