Medium grain sizes are used in high stock removal operations where some control of surface finish is required. Coarse grain sizes are used for billet conditioning and snagging operations in steel mills and foundries, where stock elimination rates are important and there is small worry about surface complete. The ultra https://www.facebook.com/permalink.php?story_fbid=pfbid029kT26E6n65CKFZByyNUBaEos7Z945mDiUBh7mB9npCq1Yo84mBqcGX4M4vCkRLQ8l&id=61562415773754&__cft__[0]=AZUzbmU6oo4Alv_FkxFrx8tEilC_-sMe382neHSlGnKOL6-yNWWlsboQkzyrQTF5ZneIvsHO8XAOBP0VqYc16xJnxDmbRb9sqQE-IVi9X5DQ-QyiGVa8-d5tGhbsLrvK2lUN64t2AbYC0RoW1R2LF7hbFV0ctO9z85mUBj58H7mxwBTu_8TrrW4DLtC86YZX3zKSRqkhCN5eItBGPBBZVHBw&__tn__=%2CO%2CP-R