cast steel shot has a unique bainite microstructure. It's lower carbon and higher manganese chemical composition results in a product that has longer life.

Type: s780(2.5mm), s660(2.0mm), s550(1.7mm),s460(1.4mm),

      s390(1.2mm)s330(1.0mm), s280(0.8mm), s230(0.6mm),

      s170(0.4mm), s110(0.3mm) , s70                                                    

Standard:    GB/T18838.3-2008 steel shot and steel grit

               SFSA20-66 cast steel abrasive

               SAE J827 cast steel shot

               YB/T 5149-1993 cast steel shot

               ISO11124-3 High carbon cast steel shot and grit

Hardness:  40-50 HRC (The hardness of steel shot can be ajusted              

                       according to the client's requirements.)

Microstructrue:  Homogeneous tempered Martensite or toostite

External Form: Round or similar round. The rate of deformity < 10%