Iron wire is wire made by iron material, with different application, its content is also different. Iron Wire contents: iron, cobalt, nickel, copper, carbon, zinc.
Steel wire is wire made by steel, it is rework product that use green rod cold-drawn.
Difference:
1. Iron Wire: Low carbon wire; Steel Wire: High Carbon Wire.
2. Iron Wire: Soft; Steel Wire: Hard.
3. Iron Wire: Looks white; Steel Wire: Looks black.
4. Iron Wire: Cheaper; Steel Wire: Expensive.