Inquiry (采购产品): Porosity in casting We have CI40 piston 6" x 6" x 338" long that has surface porosity at (2) locations where risers were located when casting was poured. Need to know the size and depth of the porosity. We would need to do this at our location in Beloit, WI. **** Hidden Message ***** Gary Olson 53511 Company: Metso Paper E-mail: gary.olson@metso.com **** Hidden Message ***** gary.olson@metso.com