yield strength (YS) of the steel was 425~460 MPa, ultimate tensile strength (UTS) 505~525 MPa, and ratio of YS-UTS 0.81~0.88, all up to standard.

• 该钢的屈服强度为425~460MPa,抗拉强度505~525MPa,屈强比0·81~0·88,均达到标准要求。