导轨采用热镀锌、硬轧钢结构，S250GD + Z275-M-A-C 板冷成型，材料符合 DIN EN 10147（材料规范）和 DIN EN10143（尺寸公差 )，镀锌表面处理 (140g/ m2 , 9.8μm 厚度 ) 双面应用，焊缝外热镀锌。 

注意：空心导轨禁止配套使用安全钳。 

       The guide rails are made from hot-dip galvanized, hard-rolled steel structure, cold-formed from S250GD + Z275-M-A-C plates. The materials comply with DIN EN 10147 (material specification) and DIN EN 10143 (dimensional tolerances). The galvanized surface treatment (140g/m², 9.8 μm thickness) is applied on both sides, and the weld seams are hot-dip galvanized externally.

Note: Safety gears are prohibited for the hollow guide rails.