Slag Cleanup question

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Being new to the forum I hope this is not an inappropriate place to post this question.I have been working on a project that has several rather tight corners where I have welded structural angle iron members together that I can not get a wire brush into. My normal 4.5 inch wheel is not even close. I took a 1" wheel on an air rotary and still can not get it into the crevice to clean it for the second pass. I do not have a needle scaler and only have seen pictures of them but wondered if that might be the needed tool to do the job.Does anyone have a suggestion as to how to get into a very tight corner to clean out the slag from the weld before a second pass?
Reply:Small chisel and hammer? Do you have an air chisel?                                         MikeOl' Stonebreaker  "Experience is the name everyone gives to their mistakes"Hobart G-213 portableMiller 175 migMiller thunderbolt ac/dc stick Victor O/A setupMakita chop saw
Reply:No air chisel but a hammer and chisel is not doing an adequate job IMO.
Reply:I have a small sand blaster that I have used as a pre weld cleaner and slag chipper.
Reply:Air hammer with narrow chisel tip or Dremel tool with the long extntion rotary adapter and mini brush or flap wheel.Lincoln Power Mig 216Lincoln AC/DC-225/125Miller  625 X-Treme PlasmaMiller 211 Forney 95FI-A 301HF 91110Victor Journeyman O/PMilwaukee DaytonMakita  Baileigh NRA Life Member
Reply:chipping hammer?  i have used an old rotorhammer bit with some tape on the handle in a pinchVantage 500's LN-25's, VI-400's, cobramatics, Miller migs, synch 350 LX, Powcon inverters, XMT's, 250 Ton Acurrpress 12' brake, 1/4" 10' Atlantic shear,Koikie plasma table W/ esab plasmas. marvel & hyd-mech saws, pirrana & metal muncher punches.
Reply:this is one of those jobs where you wished you had the right tools, i would invest in either a Air Hammer with long chisel or a needle scaler, both of those would remove the slag ~ treat yourself its Christmas