0000045876 2022-10-19 2022-10-19 HARSCO CORP false 0000045876 --12-31 8-K 2022-10-19 DE 001-03970 23-1483991 350 Poplar Church Road Camp Hill PA 17011 (717) 763-7064 false false false false Common stock, par value $1.25 per share HSC NYSE false