耐火钢板材的高温拉伸试验，试验温度为23℃、100℃、200℃、300℃、400℃、500℃、600℃、700℃、800℃、900℃、1000℃，每个温度做三支，测试Rm,Rp0.2及弹性模量。随着温度的升高，Rm越来越小，Rp0.2越来越小，弹性模量也越来越小。

For high temperature tensile test of refractory steel plate, the test temperatures are 23 ℃, 100 ℃, 200 ℃, 300 ℃, 400 ℃, 500 ℃, 600 ℃, 700 ℃, 800 ℃, 900 ℃ and 1000 ℃. Three pieces are made at each temperature to test RM, Rp0.2 and elastic modulus. With the increase of temperature, RM becomes smaller and smaller, Rp0.2 becomes smaller and smaller, and the elastic modulus becomes smaller and smaller.