... ) Chemical elements: C: 0.52-0.65, Si: 0.15-0.37, Mn: 0.6-1.2, P: 0.04 max., S: 0.04 max.4) Cr: 0.25 max.RCAB ... elements: C: 0.7-0.9, Si: 0.45-0.75, Mn: 0.7-1.25, P: 0.04 max., S: 0.04 max., Cr: 0.11-0.4; V: 0.05-0.12RCAB ... ) Chemical elements: C: 0.72-0.82, Si: 0.17-0.37, Mn: 0.7-0.8, P: 0.035 max., S: 0.035 max., Cr: 0.28-0.60Features:1 ...