TABLE 703.4 STANDARD SIZES OF COARSE AGGREGATES AASHTO M 43

Amounts finer than each laboratory Sieve (square openings), percentage by weight

Product

Nominal Size

100mm

90mm

75mm

63mm

50mm

37.5mm

25mm

19mm

12.5mm

9.5mm

4,75mm

2.36mm

1.18mm

600 µm

300 µm

150 µm

75 µm

Name

Square Openings

4"

3 1/2"

3"

2 1/2"

2"

1 1/2"

1"

3/4"

1/2"

3/8"

No.4

No.8

No.16

No.30

No.50

No.100

No.200

#57

25.0 mm -- 4.75 mm   1 in. -- No. 4

100

95-100

25-60

0-10

0-5

0-2

#67

19.0 mm -- 4.75 mm   3/4 in. -- No. 4

100

90-100

20-55

0-10

0-5

0-2

#8

9.5 mm -- 2.36 mm   3/8 in. -- No. 8

100

85-100

10-30

0-10

0-5

0-2

#10

4.75 mm -- 0 mm     No. 4 -- 0

100

85-100

10-30

This is an excerpt of the official AASHTO Gradations page. The numbers shown are representative of percentages of a sample of stone which will pass through an opening the size of which is defined in the above row.