单项选择题
某组钢筋原材,牌号为HRB335,公称直径为22mm,其电渣压力焊焊接件接头试件试验结果如下图表所示:该组电渣压力焊焊接件接头试件抗拉强度分别为()。
A.520MPa,545MPa,555MPa B.525MPa,545MPa,550MPa C.520MPa,520MPa,550MPa D.520MPa,545MPa,550MPa
A.50mm B.55mm C.60mm D.65mm