本文件规定了使用金属板样品制成的十字形试件测量受到双轴拉伸的金属板的应力-应变曲线的方法。板材的适用厚度为0.1mm或以上，且为十字形试件臂宽的0.08倍或以下（见图1）。试验温度范围为10°C至35°C。适用于十字形试样标距区域的塑性应变量取决于力比、臂的狭缝宽度、加工硬化指数（n值）（见附录B）和试验材料的各向异性。交叉引用:ISO 10275ISO 80000-1购买本文件时可获得的所有现行修订均包含在购买本文件中。

This document specifies the method for measuring the stress-strain curves of sheet metals subject to biaxial tension using a cruciform test piece fabricated from a sheet metal sample. The applicable thickness of the sheet is 0,1 mm or more and 0,08 times or less of the arm width of the cruciform test piece (see Figure 1). The test temperature ranges from 10 °C to 35 °C. The amount of plastic strain applicable to the gauge area of the cruciform test piece depends on the force ratio, slit width of the arms, work hardening exponent (n-value) (see Annex B) and anisotropy of a test material.Cross References:ISO 10275ISO 80000-1All current amendments available at time of purchase are included with the purchase of this document.