... crusherProduct AdvanceLow "S" "P"CertificationISO9001:2000MaterialHigh Mn, High Cr...HardnessHB190~240, water quenchingTensile Strength>MPa 850Elongation20%~35 ... or alloy steel2.OEM available jaw crusher spare parts3.high quality,good service,perfect processing jaw plate We, Tankuang ... low consumption, easy maintenance and reliability, etc. High Efficiency Mining Jaw Crusher Spare Parts