20MnCr5 is defined Mn-Cr5 case hardening steel as per some specific standard. 16MnCr5 has little on Carbon,Manganese and Chromium having good wear resistance, hardenability, machinability. This can be used in boxes, piston, bolts, spindles, camshaft, gear, shaft, and other mechanical controlling parts. We are 20MnCr5 Round bar supplier in Gujaratand regularly make size from 23.4 mm to 89mm in round form. 20MnCr5 is similar to 16MnCr5 which is more hardening and have good characteristic.