The orders are for delivery beginning this year into and extending into early 2014.
The South Korea order comes from Sampyo Engineering & Construction (SENC) and the metro order came from China's Ningbo Rail Transit Group Co. Ltd.
The orders also include a rail grinder sale into the UK rail network, where Harsco has been operating similar equipment under contract for the past 10 years. The latest order will expand the in-country fleet of machines operated by Harsco in support of rail maintenance throughout the UK.