... sand mold and remove the casting.Heat treatment.Chemical composition test,UT/MT test,mechanical property test ... Company NameMain ProductsMaterialPart of Technical RequirementJiangsu Pengfei Group Co.,Ltd.Support roller, kiln tyre, girth gearZG35CrMo, ... ZG42CrMoUltrasonic test Grade 3Jiangsu Haijian Stock Co.,Ltd.Support roller,kiln tyre,girth gearZG35CrMo,ZG42CrMoUltrasonic ...