Technical supportHOME > Technical support > Technical support

Surface treatment is a process method of artificially forming a surface layer with different mechanical, physical and chemical properties from the substrate. Th

Chemical composition:Copper Cu: 58.0 ~ 61.0Fe: 0.3Lead: 1.5 ~ 2.5Zinc: allowanceLead brass is a very important and most widely used complex brass. It has excel

C60 is a high carbon steel, which is brittle and has insufficient toughness. Even if it is quenched and tempered to 255 Bhn, it is not suitable for forging and

In recent years, metal surface treatment technology has developed rapidly and has been widely used in many fields. Pretreatment plays a very important role in s