... iron wire Size:5.5mm-0.5mm T/S:350-550N/mm2 Export to Libya,Boliva,Bahrain. CO,Test report.Soft ... ,smooth... Annealed black iron wire Feature:bright,soft,flexible to bind,smooth surface,good tenacity.Process:Wire rod--drawn wire--annealed wire ... Mill and other special files. Annealed black iron wireSurface Treatment: annealedDiameter: 0.5mm-5.5mm ... COM lowest price of soft annealed black iron wire