Chemical Elements;C:2.2-3.6 Si≤ 1.2 Mn;0.5-2.0 Cr;1.0-3.0 Mo;0-0.1 Cu;0-0.8 p≤ 0.10 S≤ 0.10
Mechanical Properties(HRC)
Unquenched(HRC)≥ 45
Endurance Impact Test(Times)≥ 8000
Size;φ10-φ130
Tolerance;φ10-φ25;+1.0/-0.5 φ30-φ50;+2.0/-1.0 φ60-φ90;+3.0/-1.0 φ100-φ130;+3.5/-1.5