如果抗拉强度试样不符合7.4.2的要求，对每一个不合格的试样再取两个试样进行试验。
If a tensile test specimen fails to meet the requirements of 7.4.2, two further test specimens shall be obtained for each one that failed.
结果表明随着试样宽度的减小，抗拉强度、厚向异性系数减小，板平面方向性系数增大；
The results show a decrease of tensile strength and mean vertical anisotropy and an increase of plane anisotropy with a decreasing of the width of specimen.
这种测定机械性能方法的优点是测定速度快和具有较高的精度，浇注铸铁试样以后，三分钟内就可以测定出铸铁的抗拉强度和硬度。
The advantage of this method of analysis is being quick and accurate. After the iron sample has been poured, its tensile strength and hardness can be determined within three minutes.
应用推荐