Six months was the totally scheduled time for the fabrication of 2 lots of heat exchangers, with a total weight at over 13 tons. Each item has dimension of around ID 1,700 x 4,040 mm. Carbons steel grades SA516 GR70 and stainless steel grade SA 240 (316L stainless steel) were used for the construction of those two items. These S&T heat exchangers were fabricated in accordance with ASME standards. Last month, these heat exchangers were finished and delivered to a Plastic Plant in the nearby area for putting them into operation.