SURFACE AREA AND SQUARE FEET PER LINEAR FOOT OF PIPE - Sherwin-Williams

[Pages:5]SURFACE AREA AND SQUARE FEET PER LINEAR FOOT OF PIPE

Size

Inches 1/4 1/2 3/4 1 1-1/2 2 2-1/2 3 4 5 6 8 10 12 18 24 36 48 60

Diameter

External

Internal

Inches

Inches

0.540

0.364

0.840

0.622

1.050

0.824

1.315

1.049

1.900

1.610

2.375

2.067

2.875

2.469

3.500

3.068

4.600

4.026

5.563

5.047

6.625

6.065

8.625

7.981

10.750

10.02

12.750

12.00

18.000

17.25

24.000

23.25

36.000

35.25

48.000

47.25

6.000

59.25

Square Feet per Linear Foot of Pipe

External 0.141 0.219 0.276 0.344 0.497 0.622 0.753 0.916 1.178 1.456 1.734 2.258 2.814 3.350 4.710 6.280 9.420 12.57 15.71

Internal 0.096 0.168 0.216 0.275 0.422 0.541 0.647 0.804 1.053 1.320 1.590 2.070 2.620 3.140 4.520 6.090 9.230 12.40 15.53

Example: outside.

Pipe sections of 3" diameter and 20 ft. long, each section to be coated inside and

External Areas = 0.916 x 20 = 18.32

Internal Areas = 0.804 x 20 = 16.08

Total Area

34.40 sq. ft.

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