... .35~1.20%Si0.40~1.20%S≤0.05%P≤0.05%Cr0.5%~1 ... process, it is particularly used for surface preparation applications(2)≥53-60HRC:With this hardness,Newly made bearing ... High hardness, sharp edges remain during operation, mainly used for marble cutting,characters: stable and reliable performance,even size ... Some more details of advantage 1.High performance price ratio. We have large production capacity, and ...