A South Carolina bank will merge with NCNB.

Bankers Trust of South Carolina will become a subsidiary of NCNB Corp. of Charlotte, N.C., creating an institution with $18.2 billion in assets, the two banks said. The announcement was the first interstate merger announced by any South Carolina bank under the state’s law allowing regional interstate mergers, which becomes effective Jan. 1. NCNB will exchange cash and stock worth $51 for each share of Bankers Trust common in a deal valued at about $165 million, based on Bankers Trust’s 3.22 million shares outstanding as of the end of 1983.