Letter Code of Size

Length-Width Depth in Meters

# of Diaphragms

Cubic Meters

A

2x1x1

1

2

B

3x1x1

2

3

C

4x1x1

3

4

D

2x1x0.5

1

1

E

3x1x0.5

2

1.5

F

4x1x0.5

3

2

G

3x2x1

2

6

H

4x1.5x1

3

6

I

4x2x1

3

8

Mesh opening

3 1/2 by 4 1/2 inches (83*114mm)

diameter of mesh wire 

0.106inches(2.7mm)/0.120 inches (3.0mm)

diameter of selvedge wire

0.134inches(3.4mm)/0.153 inches (3.8mm)

diameter of lacing wire

0.086 inches (2.2mm)

Coating of wire

Class 3 zinc coating- ASTM A-641 tested in accordance with ASTM A370-92.

tensile of wire

soft temper in accordance with ASTM A641-92

weight of zinc coating of wire(shall be determined by ASTM A-90)

Wire diameter

Zinc coating

0.106inches(2.7mm)

0.80 oz/sf (244g/m2)

0.120 inches (3.0mm)

0.85 oz/sf (260g/m2)

0.135inches(3.4mm)

0.85 oz/sf (260g/m2)

0.153 inches (3.8mm)

0.90 oz/sf (275g/m2)

0.086 inches (2.2mm)

0.75 oz/sf (220g/m2)

grade of zinc coating of wire

high grade or special high grade in accordance with ASTM B-6, Table 1

uniformity of coating

shall be determined by ASTM A-239

Elongation

not less than 12% in accordance with ASTM A370-92.