... Soft annealed iron wire Size:5.5mm-0.5mm T/S:350-550N/mm2 Export to Libya,Boliva,Bahrain,India. CO,Test report.Soft,smooth.. Soft ... black annealed iron wire Feature:bright,soft,flexible to bind,smooth surface,good tenacity.Process:Wire rod--drawn wire--annealed wire.We had exported ... do not hesitate to contact me:linda. very soft of black annealed iron wire for binding