BASED ON COILS WITH 20 INCH I.D.

Coil Width

Coil O.D.

36"

42"

48"

54"

60"

66"

72"

6"

1150

1750

2450

3250

4150

5100

6300

12"

2300

3500

4900

6500

8300

10200

12600

18"

3400

5200

7400

9700

12400

15300

19000

24"

4600

7000

9800

13000

16600

20400

25200

30"

5700

8700

12300

16200

20700

25500

31500

36"

6800

10400

14800

19400

24800

30600

37800

42"

8000

12200

17200

22700

29000

35700

44100

48"

9100

13900

19700

25900

33100

40800

50400

54"

10300

15700

22100

29200

37300

45900

56700

60"

11400

17400

24600

32400

41400

51000

63000

66"

12500

19100

27100

35600

45500

56100

69300

72"

13700

20900

29500

38900

49700

61200

75600

78"

14800

22600

32000

42100

53800

66300

81900

84"

16000

24400

34400

45400

58000

71400

88200

90"

17100

26100

36900

48600

62100

76500

94500

96"

18200

27800

39400

51800

66200

81600

100800

Coil Weight per Inch of Width

190

290

410

540

690

850

1050

Approx Sheet Steel Thickness

.2391

.2242

.2092

.1943

.1793

.1644

.1495

.1345

.1196

.1046

.0897

.0747

.0673

.0598

Gage No

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Approx Sheet Steel Thickness

.0538

.0478

.0418

.0359

.0329

.0299

.0269

.0239

.0209

.0179

.0164

.0149

.0135

.0120

Gage No

17

18

19

20

21

22

23

24

25

26

27

28

29

30