Steyn, 34, was today named in a 13-man Titans squad for a domestic Twenty20 match against the Knights in Kimberley tomorrow.
He has not played since breaking down with a stress fracture of his right shoulder on the second day of the first Test against Australia on November 4, last year.
Steyn told the Titans website: "I am ready to go. Yes, I haven't played in a year, but there are no massive expectations. I am just looking forward to playing again and feeling part of the game.
Steyn needs just five wickets to overtake Shaun Pollock as South Africa's leading all-time Test wicket-taker.
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He recently received the backing of new South Africa coach Ottis Gibson, who indicated that a fit Steyn would be an automatic choice for the Test side.
"He is Dale Steyn," Gibson told journalists last month. "He is not some average guy from down the road. He is one of the best bowlers the country has ever produced.
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