... ψ% Erichstm impact flexibility valueAKVJ Fatigue strengthσ0.1 MPaσ0.1MPa Cycle indexCYG5/8 7.62, 8.0, 8.5, 9.14 and ... ≥10≥50≥60.8406≥1×106CYG3/4 7.62, 8.0, 8.5, 9.14 and 1-3mDifferent long ponyrods793~965 ... ≥10≥50≥60.8406≥1×106CYG7/8 7.62, 8.0, 8.5, 9.14 and 1-3mDifferent long ponyrods793~965 ... ≥620≥10≥50≥60.8406≥1×106CYG1 7.62, 8.0, 8.5, 9.14 and 1-3mDifferent long ponyrods793~965 ...