 CAMP HILL, Pa., Nov. 06, 2020 GLOBE NEWSWIRE -- Harsco Corporation NYSE: HSC, a global market leader providing environmental solutions for industrial and specialty waste streams, announced today that its Environmental division HE has successfully renewed a multi-year services contract with Gerdau, a leading producer of long steel products in the Americas and one of the largest suppliers of specialty long steel products in the world. The renewal marks the third consecutive contract extension since 1998, when Harsco began working at Gerdaus Midlothian site. 