Steel Casing Pipe Reference Chart
Revised August 2002

Nominal Diam.

 Actual
Outside
Diam.		 Class 1 Class 2 Class 3 Class 4 Class 5 Class 6
Pipe Wall
Lbs.Ft.		 Connector Pipe Wall
Lbs.Ft.		 Connector Pipe Wall
Lbs.Ft.		 Connector Pipe Wall
Lbs.Ft.		 Connector Pipe Wall
Lbs.Ft.		 Connector Pipe Wall
Lbs.Ft.		 Connector
8" 8 5/8" .250/
22.36		 3/8"x6 .322/
28.55		 3/8"x6 .500/
43.39		 1/2"x6            
10" 10 3/4" .250/
28.04		 3/8"x6 .365/
40.48		 3/8"x6 .500/
54.57		 1/2"x6            
12" 12 3/4" .250/
33.38		 3/8"x6 .375/
49.56		 3/8"x6 .500/
65.42		 1/2"x6            
14" 14" .250/
36.71		 3/8"x6 .375/
54.57		 3/8"x6 .500/
72.09		 1/2"x6            
16" 16" .250/
42.05		 3/8"x6 .375/
62.58		 3/8"x6 .500/
82.77		 1/2"x6            
18" 18" .250/
47.39		 3/8"x6 .375/
70.59		 1/2"x6 .500/
93.45		 1/2"x6            
20" 20" .250/
52.73		 3/8" x 6 .375/
78.60		 1/2"x6 .500/
104.1		 1/2"x6            
24" 24" .312/
78.93		 3/8"x6 .375/
94.62		 1/2"x6 .500/
125.5		 1/2"x6 .562/
140.7		 5/8"x6 .625/
156.0		 5/8"x6    
26" 26" .312/
85.60		 1/2"x6 .375/
102.6		 1/2"x6 .500/
136.2		 1/2"x6 .562/
152.7		 5/8"x6 .625/
169.4		 5/8"x6    
28" 28" .312/
92.26		 1/2"x6 .375/
110.6		 1/2"x6 .500/
146.8		 5/8"x71/4 .562/
164.7		 5/8"x71/4 .625/
182.7		 5/8"x71/4    
30" 30" .312/
98.93		 1/2"x6 .375/
118.6		 1/2"x6 .500/
157.5		 5/8"x71/4 .625/
196.1		 5/8"x71/4 .750/
234.3		 3/4"x71/4    
36" 36" .375/
142.7		 1/2"x6 .500/
189.6		 1/2"x6 .562/
212.7		 5/8"x71/4 .625/
236.1		 5/8"x71/4 .750/
282.4		 3/4"x71/4    
38" 38" .375/
150.7		 1/2"x71/4 .500/
200.2		 1/2"x71/4 .562/
224.7		 5/8"x71/4 .625/
249.5		 5/8"x71/4 .750/
298.4		 3/4"x71/4    
42" 42" .375/
166.7		 1/2"x71/4 .500/
221.6		 1/2"x71/4 .562/
248.7		 5/8"x71/4 .625/
276.2		 5/8"x71/4 .750/
330.4		 3/4"x71/4 .875/
384.3		 7/8"x71/4
44 1/2" 44 1/2" .375/
176.7		 1/2"x71/4 .500/
234.9		 1/2"x71/4 .562/
263.7		 5/8"x71/4 .625/
292.9		 5/8"x71/4 .750/
350.4		 3/4"x71/4 .875/
407.7		 7/8"x71/4
48" 48" .500/
253.6		 5/8"x71/4 .562/
284.7		 5/8"x71/4 .625/
316.2		 5/8"x71/4 .750/
378.5		 3/4"x71/4 .875/
440.4		 7/8"x71/4 1.00/
501.9		 1"x71/4
51" 51" .500/
269.7		 5/8"x71/4 .562/
302.7		 5/8"x71/4 .625/
336.3		 5/8"x71/4 .750/
402.5		 3/4"x71/4 .875/
468.4		 7/8"x71/4 1.00/
534.0		 1"x71/4
54" 54" .500/
285.7		 5/8"x71/4 .562/
320.7		 5/8"x71/4 .625/
356.3		 5/8"x71/4 .750/
426.5		 3/4"x71/4 .875/
496.4		 7/8"x71/4 1.00/
566.04		 1"x71/4
60" 60" .500/
317.7		 5/8"x71/4 .562/
356.8		 5/8"x71/4 .625/
396.3		 5/8"x71/4 .750/
474.6		 3/4"x71/4 .875/
552.5		 7/8"x71/4 1.00/
630.12		 1"x71/4
66" 66" .500/
349.8		 5/8"x71/4 .562/
392.8		 5/8"x71/4 .625/
436.4		 5/8"x71/4 .750/
522.6		 3/4"x71/4 .875/
608.6		 7/8"x71/4 1.00/
694.2		 1"x71/4
72" 72" .500/
387.8		 5/8"x71/4 .562/
428.8		 5/8"x71/4 .625/
476.4		 5/8"x71/4 .750/
570.7		 3/4"x71/4 .875/
664.6		 7/8"x71/4 1.00/
758.3		 1"x71/4
78" 78" .500/
413.8		 5/8"x71/4 .562/
464.7		 5/8"x71/4 .625/
516.5		 5/8"x71/4 .750/
618.7		 3/4"x71/4 .875/
720.7		 7/8"x71/4 1.00/
822.4		 1"x71/4
84" 84" .500/
445.9		 5/8"x71/4 .562/
500.8		 5/8"x71/4 .625/
556.5		 5/8"x71/4 .750/
666.8		 3/4"x71/4 .875/
776.8		 7/8"x71/4 1.00/
886.4		 1"x71/4
96" 96" .500/
500.0		 5/8"x71/4 .562/
572.8		 5/8"x71/4 .625/
636.6		 5/8"x71/4 .750/
762.9		 3/4"x71/4 .875/
888.9		 7/8"x71/4 1.00/
1014.6		 1"x71/4
102" 102" .500/
542.0		 5/8"x71/4 .562/
608.3		 5/8"x71/4 .625/
676.7		 5/8"x71/4 .750/
811.0		 3/4"x71/4 .875/
945.0		 7/8"x71/4 1.00/
1078.68		 1"x71/4