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  • Reverse twisting of the barbed rope: first wrap the barbed wire around the main wire (that is, a single piece of iron wire) and then add an iron wire and twist together to form a double strand of barbed rope.
  • Sixth, different composition (mainly from carbon, manganese, nickel, chromium to distinguish 201 and 304 stainless steel) steel carbon (C) silicon (Si) manganese (Mn) phosphorus (P) sulfur (S) chromium (Cr) nickel (Ni) molybdenum (Mo) copper (Cu)304 stainless steel is a kind of universal stainless steel material, Rust resistance is stronger than 200 series stainless steel materials, 600 degrees high temperature resistance. It has excellent stainless corrosion resistance and good intergranular corrosion resistance. It also has good corrosion resistance to alkali solution and most organic acids and inorganic acids.

  • Industrial rust prevention method: coated with asphalt, iron roof, coated with asphalt, you can prevent rust. Metal coating: Some metal surface will form a dense oxide film, can be coated on the surface of the metal composed of this metal screen. Such as: galvanized iron, tinplate plating, bicycle underwire and some medical equipment are coated with chromium and nickel.

  • Zinc dipping time should be adjusted according to the thickness of wire diameter. The method of adjustment is the length of the distance between the lead screw on the zinc pot and the ceramic sinking roller. Thick wire diameter zinc dipping time should be long, fine wire diameter zinc dipping time should be short, zinc dipping length in the range of 2~3.5m, which is also to reduce the zinc consumption of steel wire galvanized, is an aspect of maintaining the uniformity of zinc layer.

  • 3, barbed rope protection net in the bridge, channel, should be toward the bridge head cone slope (or end wall) direction surrounded, should not leave for people, livestock can drill into the gap.
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