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K & OFFSET TABLES
Table B1 – Estimated* K & Offset
Pipe
Pipe Schedules
Size
O.D.
CS 5
SS 5
CS 10
SS 10
CS 40
SS 40
CS 80
SS 80
1-1/2
in .
1 .900
K
Offset
0 .427271
-0 .080605
0 .427271
-0 .080605
0 .380552
0 .002211
0 .380552
0 .002211
0 .341075
0 .081460
0 .341075
0 .081460
0 .277850
0 .226312
0 .277850
0 .226312
2 in .
2 .375
K
Offset
0 .673452
-0 .380524
0 .673452
-0 .380524
0 .626407
-0 .332296
0 .626407
-0 .332296
0 .579615
-0 .282874
0 .579615
-0 .282874
0 .514211
-0 .206396
0 .514211
-0 .206396
2-1/2
in .
2 .875
K
Offset
0 .965024
-0 .749072
0 .965024
-0 .749072
0 .911744
-0 .667702
0 .911744
-0 .667702
0 .802796
-0 .522645
0 .802796
-0 .52264
0 .716671
-0 .425526
0 .716671
-0 .425526
3
3 .500
K
Offset
1 .582350
-2 .113500
1 .582350
-2 .113500
1 .490176
-1 .870796
1 .490176
-1 .870796
1 .277418
-1 .355648
1 .277418
-1 .355648
1 .118942
-1 .022076
1 .118942
-1 .022076
3-1/2
in .
3 .500
K
Offset
2 .091068
-1 .399853
2 .091068
-1 .399853
2 .024960
-2 .010633
2 .024960
-2 .010633
1 .856175
-4 .014395
1 .856175
-4 .014395
1 .621456
-2 .219542
1 .621456
-2 .219542
4 in .
4 .500
K
Offset
2 .635261
1 .524904
2 .635261
1 .524904
2 .544009
1 .224082
2 .544009
1 .224082
2 .279943
-0 .029050
2 .279943-
0 .029050
2 .083741
-1 .463673
2 .083741
-1 .463673
5 in .
5 .563
K
Offset
4 .254704
1 .040171
4 .254704
1 .04017
4 .158287
1 .265404
4 .158287
1 .265404
3 .705163
2 .073017
3 .705163
2 .073017
3 .315944
2 .362615
3 .315944
2 .362615
6 in .
6 .625
K
Offset
6 .703921
-8 .690330
6 .703921
-8 .690330
6 .571415
-8 .020263
6 .571415
-8 .020263
5 .831518
-4 .525378
5 .831518-
4 .525378
5 .122780
-1 .645774
5 .122780
-1 .645774
8 in .
8 .625
K
Offset
9 .810699
4 .373516
9 .810699
4 .373516
9 .631116
4 .521076
9 .631116
4 .521076
8 .862069
5 .253952
8 .862069
5 .253952
8 .129755
6 .129664
8 .129755
6 .129664
10 in .
10 .750
K
Offset
15 .558041
2 .693802
15 .558041
2 .693802
15 .359217
2 .681251
15 .359217
2 .681251
14 .116608
2 .693176
14 .116608
2 .693176
12 .779132
2 .904373
12 .779132
2 .904373
12 in .
12 .750
K
Offset
22 .687525
5 .074024
22 .687525
5 .074024
22 .492687
4 .969576
22 .492687
4 .969576
20 .707010
4 .099617
20 .946699
4 .206793
18 .603270
3 .302154
19 .990417
3 .798262
14 in .
14 .000
K
Offset
28 .113718
8 .609697
28 .113718
8 .609697
27 .254274
7 .977566
27 .819418
8 .390513
25 .581423
6 .819905
25 .581423
6 .819905
22 .940674
5 .212368
25 .043200
6 .469292
16 in .
16 .000
K
Offset
38 .108196
17 .436071
38 .108196
17 .436071
37 .184074
16 .524164
37 .856899
17 .186449
34 .538799
14 .010489
35 .847870
15 .235909
31 .076347
10 .962554
34 .538799
14 .010489
18 in .
18 .000
K
Offset
49 .922424
30 .346106
49 .922424
30 .346106
48 .850674
29 .092361
49 .631184
30 .003992
45 .024284
24 .739450
47 .297367
27 .301405
40 .637650
20 .013815
45 .771198
25 .573288
20 in .
20 .000
K
Offset
59 .821514
3 .372809
59 .821514
3 .372809
59 .821514
3 .372809
59 .459480
3 .378817
54 .939907
3 .459857
57 .568302
3 .411363
51 .637486
32 .381599
56 .066704
3 .438600
22 in .
22 .000
K
Offset
72 .009399
3 .211272
72 .009399
3 .211272
71 .246956
3 .219100
71 .640358
3 .215024
(69 .712502)
(3 .235763)
—
60 .582455
3 .360413
—
24 in .
24 .000
K
Offset
84 .054832
3 .126430
84 .054832
3 .126430
83 .653954
3 .128100
83 .653954
3 .128100
78 .190941
3 .158703
82 .090302
3 .135363
71 .628067
3 .215150
80 .530304
3 .143800
26 in .
26 .000
K
Offset
—
—
95 .504044
3 .111093
—
(94 .701706)
(3 .110163)
—
—
—
28 in .
28 .000
K
Offset
—
—
108 .363754
3 .165831
—
(107 .546707)
(3 .160163)
—
—
—
30 in .
30 .000
K
Offset
122 .276558
3 .306300
122 .276558
3 .306300
121 .457077
3 .295768
121 .457077
3 .295768
(120 .625305)
(3 .285363)
—
—
—
For sizes above 30", consult factory . Pipe O .D . & Schedule, or pipe O .D . & I .D ., or pipe O .D . & wall thickness is required .
CS = Carbon Steel
SS = Stainless Steel
* = Estimations are based on nominal I .D . from standard ASME B36 .10 and B36 .19
( ) = Standard Schedule
A blank cell ( — ) = No data at time of printing .
K & Offset Tables
Page 20
May 2017
SEN-UM-00217-EN-10