稀土微合金化钢板BTP500性能研究

Study on Properties of Rare Earth Microalloying Steel Plate BTP500

文章对BTP500钢板的折弯和抗弹性能进行了检验和试验。厚度为6 mm、9 mm的BTP500钢板90°折弯试验结果满足要求;对比BTP500钢板分别采用铁素体焊丝和奥氏体焊丝焊接后的性能检测结果,采用铁素体焊丝焊接的钢板抗拉强度比采用奥氏体焊丝焊接的钢板高100 MPa以上。采用铁素体焊丝焊接的试板的-40℃冲击功为20~30 J,BTP500钢板焊接试验满足协议要求。在子弹侵彻时,工业化试制的6 mm、9 mm厚度的BTP500钢板均未被穿透,具有很好的防弹防侵彻能力,防弹性能满足协议要求。

In this paper,the bending and bullet-proof properties of steel plate BTP500 are tested.The results of 90°folding test for steel plate BTP500 with thicknesses of 6 mm and 9 mm meet the requirements;the tensile strength of steel plate welded with ferritic welding wire is 100 MPa higher than that of the steel plate welded with austenitic welding wire through comparing the results of performance tests for steel plate BTP500 welded with ferritic welding wire and austenitic welding wire.The impact energy of the test plate welded with ferritic welding wire at-40℃is 20~30 J and the weld test of steel plate BTP500 could meet the agreement requirements.With the penetration of bullet,both of the steel plates BTP500 with thicknesses of 6 mm and 9 mm by industrial trial production are not penetrated,which are with very good bullet-proof and anti-penetration properties as well as the bullet-proof property could meet the agreement requirements.