The Belfast Giants battled back from 4-1 down but lost in a shoot-out away to the Sheffield in the Elite League.
Rod Sarich put Sheffield ahead but Greg Stewart equalised before the Steelers took command with goals from Ashley Tait, Jeff Legue and Steven Goertzen.
Scott Champagne pulled one back before the end of the second period and Noah Clarke and Sam Roberts netted for 4-4.
Craig Peacock and Champagne missed as Sheffield won the shoot-out to edge a 5-4 victory in Sunday's clash.
Legue and former Giants captain Colin Shields got the scores for the Steelers who are the early-season leaders in the Elite League.
The Giants are next in action on Thursday night when they are away to the Cardiff Devils.