In order to insure the properties of H-beam,Laiwu Steel H-beam Factory analyzed the metallographic structure and mechanical properties in the cross-section of many H-beams.

• 为确保H型钢的性能,莱钢型钢厂分析了多规格H型钢各部位的金相组织和力学性能,结果表明,无论规格大小,两翼缘传动侧与操作侧相同部位性能都无明显差距,但上翼缘强度比下翼缘强度高。