如果预应力筋达到EN 10138中的最大荷载下的延伸率规定值，则可以假定其在延伸时有足够的塑性。
Adequate ductility in elongation may be assumed if the prestressing tendons obtain the specified value of the elongation at maximum load given in en 10138.
计算结果表明，IF钢的延伸率、耐低温钢的无塑性变形温度预报值与实测值相当符合。
The results of computation indicate that the elongation of IF steel, the temperature of zero plastic deformation of low-temperature steel predicted are in agreement with the experimental data.
常温下该合金延伸率低，塑性加工困难。
The alloy exhibits small elongation on normal temperature and is hard to deform.
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