equirements and wrap test mandrel diameter for extra high strength steel wires
Nominal wire diameter mm.
Diameter tolerance
min.stress at 1% extansion Mpa
min.ultimate tensile stress Mpa
min.ultimate elongation %
Mandrel dia.for wrapping test (x.OD)
min.number of twist in torsion test
Class 1 zinc coating
1,24 2,25
+/- 0,03