Be made of fine imported wire rod with its surface coated by copper plating after drawing and heat treatment. It has characteristics of accurate control over size and plating weight, smooth and firm layer, whole rod being even, fine multiple mechanics function, safefunction, safe function of welding. All the indexes come up to the national standards
Diameter( mm) : 0.6—0.90
Tolerance (mm): +0.01 -0.02
Tensile strength (Mpa):300—365
Elongation: ≥12%