Type

Nominal Dia (mm)

Tolerance Dia (mm)

Min. difference Between center wire diameter and of any outer wire

Nominal Steel Area (mm²)

Nominal Weight lbs./1000ft

(g/m)

250

12.70

+0.40

0.0762

92.9

490 (730)

-0.40

15.24

+0.40

0.1016

139.4

737 (1094)

-0.40

270

9.53

+0.65

0.0508

54.8

290 (432)

-0.15

12.70

+0.65

0.0762

98.7

520 (775)

-0.15

15.24

+0.65

0.1016

140.00

740 (1102)

-0.15