Tensile Strength(MPa)

No.of Torsions
notlessthan(100d)

Weight of Zinc
Coatnotlessthan
(g/m2)

(mm)

Group B

Group C

0.80

1610-1960

1810-2200

16

　
50

1.00

1560-1970

1810-2150

16

1.20

1520-1860

1710-2050

15

1.40

1500-1810

1660-2010

15

60

1.60

1470-1760

1560-1910

14

1.80

1470-1760

1560-1910

12

80

2.20

1370-1560

1520-1810

9