STAINLESS STEEL
CARBON STEEL
PIPE DATA
SOCKETWELD FITTINGS
BUTTWELD FITTINGS
OLETS

Welding Oletss

Pipe Elbow fittings is a very important pipe fitting. When we talk about a pipe elbow, it means a length of pipe with a sharp bend in it. Pipe elbows are fitting accessories which are used widely in various industrial sectors in pipe fitting. A pipe elbow is frequently used in pressurized applications and is available in various shapes and sizes for use in different applications. A pipe elbow is a fitting installed between two lengths of pipe or tube allowing a change of direction, usually in the 45° & 90° or 180° direction.

Dimensions size on size Welding Oletss® according to MSS-SP97

NPS Standard Weight (STD) - NPS 1/2 up to NPS 24
A B C D L
1/2 INCH
MM		 3/4
19.05		 1-3/8
34.93 		15/16
23.81 		5/8
15.88 		1-3/16
30.16
3/4 INCH
MM		 7/8
22.23 		1-5/8
41.28 		1-3/16
30.16 		13/16
20.64 		1-7/16
36.51
1 INCH
MM		 1-1/16
26.99 		2
50.80 		1-7/16
36.51 		1-1/32
26.19 		1-1/16
26.99
1 ¼ INCH
MM		 1-1/4
31.75 		2-3/8
60.3 		1-3/4
44.45 		1-3/8
34.93 		2-1/16
52.39
1 ½ INCH
MM		 1-5/16
33.34 		2-7/8
73 		2
50.80 		1-5/8
41.28 		2-1/4
57.15
2 INCH
MM		 1-1/2
38.10 		3-1/2
88.90 		2-9/16
65.09 		2-1/16
52.39 		2-11/16
68.26
2 ½ INCH
MM		 1-5/8
41.28 		4-1/16
103.19 		3
76.20 		2-7/16
61.91 		3-1/16
77.79
3 INCH
MM		 1-3/4
44.45 		4-13/16
122.24 		3-11/16
93.66 		3-1/16
77.79 		3-1/2
88.90
3 ½ INCH
MM		 2
50.80 		5-3/8
136.53 		3-7/8
98.43 		3-9/16
90.49 		3-7/8
98.43
4 INCH
MM		 2
50.80 		6
152.40 		4-3/4
120.65 		4
101.60 		4-1/4
107.95
5 INCH
MM		 2-1/4
57.15 		7-1/8
180.98 		5-9/16
141.29 		5-1/16
128.59 		5-1/16
128.59
6 INCH
MM		 2-3/8
60.3 		8-1/2
215.90 		6-11/16
169.86 		6-1/16
153.99 		5-11/16
144.46
8 INCH
MM		 2-3/4
69.85 		10-3/8
263.53 		8-11/16
220.66 		7-15/16
201.61 		7-1/16
179.39
10 INCH
MM		 3-1/16
77.79 		12-9/16
319.09 		10-13/16
274.64 		10
254.00 		8-7/16
214.31
12 INCH
MM		 3-3/8
85.73 		14-7/8
377.83 		12-13/16
325.44 		12
304.80 		9-3/4
247.65
14 INCH
MM		 3-1/2
88.90 		16-1/8
409.58 		14-1/16
357.19 		13-1/4
336.55 		10-1/2
266.70
16 INCH
MM		 3-11/16
93.66 		18-1/4
463.55 		16-1/16
407.99 		15-1/4
387.35 		11-11/16
296.86
18 INCH
MM		 4-1/16
103.19 		20-3/4
527.05 		18-5/8
473.08 		17-1/4
438.15 		13-1/16
331.79
20 INCH
MM		 4-5/8
117.48 		23-1/16
585.79 		20-1/16
509.59 		19-1/4
488.95 		14-5/8
371.48
24 INCH
MM		 5-3/8
136.53 		27-7/8
708.03 		25-1/8
638.18 		23-1/4
590.55 		17-3/8
441.33

Dimensions size on size Welding Oletss® according to MSS-SP97

NPS Extra Strong (XS) - NPS 1/2 up to NPS 24
A B C D L
1/2 INCH
MM		 3/4
19.05		 1-3/8
34.93 		15/16
23.81 		5/8
15.88 		1-3/16
30.16
3/4 INCH
MM		 7/8
22.23 		1-5/8
41.28 		1-3/16
30.16 		13/16
20.64 		1-7/16
36.51
1 INCH
MM		 1-1/16
26.99 		2
50.80 		1-7/16
36.51 		1-1/32
26.19 		1-1/16
26.99
1 ¼ INCH
MM		 1-1/4
31.75 		2-3/8
60.3 		1-3/4
44.45 		1-3/8
34.93 		2-1/16
52.39
1 ½ INCH
MM		 1-5/16
33.34 		2-7/8
73 		2
50.80 		1-5/8
41.28 		2-1/4
57.15
2 INCH
MM		 1-1/2
38.10 		3-1/2
88.90 		2-9/16
65.09 		2-1/16
52.39 		2-11/16
68.26
2 ½ INCH
MM		 1-5/8
41.28 		4-1/16
103.19 		3
76.20 		2-7/16
61.91 		3-1/16
77.79
3 INCH
MM		 1-3/4
44.45 		4-13/16
122.24 		3-11/16
93.66 		3-1/16
77.79 		3-1/2
88.90
3 ½ INCH
MM		 2
50.80 		5-3/8
136.53 		3-7/8
98.43 		3-9/16
90.49 		3-7/8
98.43
4 INCH
MM		 2
50.80 		6
152.40 		4-3/4
120.65 		4
101.60 		4-1/4
107.95
5 INCH
MM		 2-1/4
57.15 		7-1/8
180.98 		5-9/16
141.29 		5-1/16
128.59 		5-1/16
128.59
6 INCH
MM		 3-1/16
77.79		 8-7/8
225.43		 6-11/16
169.86 		6-1/16
153.99 		6-3/8
161.93
8 INCH
MM		 3-7/8
98.43		 10-5/8
269.88		 8-11/16
220.66 		7-5/8
193.68		 8-3/16
207.96
10 INCH
MM		 3-1/2
88.90		 12-7/8
327.03		 10-7/16
265.11		 9-3/4
254.00		 8-7/8
225.43
12 INCH
MM		 3-15/16
100.01		 15-3/16
385.76		 13
330.20		 11-3/4
304.80		 10-5/16
261.94
14 INCH
MM		 4-1/8
8104.78 		16-11/16
423.86		 14-5/16
363.54		 13
330.20		 11-1/8
282.58
16 INCH
MM		 4-7/16
112.71 		18-7/8
479.43 		16-1/2
419.10		 15
381.00 		12-7/16
315.91
18 INCH
MM		 4-11/16
119.06 		21-1/8
536.58		 18-5/8
473.08 		17
431.80 		13-11/16
347.66
20 INCH
MM		 5
127.00		 23-3/8
593.73		 20-13/16
528.64		 19
482.60		 15
381.00
24 INCH
MM		 5-1/2
139.70 		27-7/8
708.03 		25-1/8
638.18 		23
584.20 		17-1/2
444.50

Dimensions (L) Center Line of Run Pipe to Face of Welding Olets (Table 1 of 2)

>
NP S Outlet Sizes STD and XS- NPS 1/2 up to NPS 4
1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4
3/4 INCH
MM		 1-1/4
31.75
1 INCH
MM		 1-3/8
34.92 		1-1/2
38.10
1 ¼ INCH
MM		 1-9/16
39.68 		1-11/16
42.86 		1-7/8
47.62
1 ½ INCH
MM		 1-11/16
42.86 		1-13/16
46.03 		2
50.80 		2-3/16
55.56
2 INCH
MM		 1-15/16
49.21 		2-1/16
52.38 		2-1/4
57.15 		2-7/16
61.91 		2-1/2
63.50
2 ½ INCH
MM		 2-3/16
55.56 		2-5/16
58.73 		2-1/2
63.50 		2-11/16
68.26 		2-3/4
69.85 		2-15/16
74.61
3 INCH
MM		 2-1/2
63.5 		2-5/8
66.67 		2-13/16
71.43 		3
76.20 		3-1/16
77.78 		3-1/4
82.55 		3-3/8
85.72
3 ½ INCH
MM		 2-3/4
69.85 		2-7/8
73.02 		3-1/16
77.78 		3-1/4
82.55 		3-5/16
84.13 		3-1/2
88.9 		3-5/8
92.07 		3-3/4
95.25
4 INCH
MM		 3
76.2 		3-1/8
79.37 		3-5/16
84.13 		3-1/2
88.90 		3-9/16
90.48 		3-3/4
95.25 		3-7/8
98.42 		4
101.60 		4-1/8
104.77
5 INCH
MM		 3-9/16
90.48 		3-11/16
93.66 		3-7/8
98.42 		4-1/16
103.18 		4-1/8
104.77 		4-5/16
109.53 		4-7/16
112.71 		4-9/16
115.88 		4-11/16
119.06 		4-13/16
122.23
6 INCH
MM		 4-1/16
103.18 		4-3/16
106.36 		4-3/8
111.12 		4-9/16
115.88 		4-5/8
117.47 		4-13/16
122.23 		4-15/16
125.41 		5-1/16
128.58 		5-3/16
131.76 		5-5/16
134.93
8 INCH
MM		 5-1/16
128.58 		5-3/16
131.76 		5-3/8
136.52 		5-9/16
141.28 		5-5/8
142.87 		5-13/16
147.63 		5-15/16
150.81 		6-1/16
153.98 		6-3/16
157.16 		6-5/16
160.3
10 INCH
MM		 6-1/8
155.57 		6-1/4
158.75 		6-7/16
163.51 		6-5/8
168.27 		6-11/16
169.86 		6-7/8
174.62 		7
177.8 		7-1/8
180.97 		7-1/4
184.15 		7-3/8
187.32
12 INCH
MM		 7-1/8
180.97 		7-1/4
184.15 		7-7/16
188.91 		7-5/8
193.67 		7-11/16
195.26 		7-7/8
200.02 		8
203.20 		8-1/8
206.37 		8-1/4
209.55 		8-3/8
212.72
14 INCH
MM		 7-3/4
196.85 		7-7/8
200.02 		8-1/16
204.78 		8-1/4
209.55 		8-5/16
211.13 		8-1/2
215.90 		8-5/8
219.07 		8-3/4
222.25 		8-7/8
225.42 		9
228.60
16 INCH
MM		 8-3/4
222.25 		8-7/8
225.42 		9-1/16
230.18 		9-1/4
234.95 		9-5/16
236.53 		9-1/2
241.30 		9-5/8
244.47 		9-3/4
247.65 		9-7/8
250.82 		10
254.00
18 INCH
MM		 9-3/4
247.65 		9-7/8
250.82 		10-1/16
255.58 		10-1/4
260.35 		10-5/16
261.93 		10-1/2
266.70 		10-5/8
269.87 		10-3/4
273 		10-7/8
276.22 		11
279.40
20 INCH
MM		 10-3/4
273 		10-7/8
276.22 		11-1/16
280.98 		11-1/4
285.75 		11-5/16
287.33 		11-1/2
292.10 		11-5/8
295.27 		11-3/4
298.45 		11-7/8
301.62 		12
304.80
24 INCH
MM		 12-3/4
323.9 		12-7/8
327.02 		13-1/16
331.78 		13-1/4
336.55 		13-5/16
338.13 		13-1/2
342.90 		13-5/8
346.07 		13-3/4
349.25 		13-7/8
352.42 		14
355.60

Dimensions (L) Center Line of Run Pipe to Face of Welding Olets (Table 2 of 2)

NPS Outlet Sizes Standard Weight (Sth)- NPS 5 up to NPS 20
5 6 8 10 12 14 16 18 20
6 INCH
MM		 5-9/16
141.28
8 INCH
MM		 6-9/16
166.68 		6-11/16
169.86
10 INCH
MM		 7-5/8
193.67		 7-3/4
196.85		 8-1/8
206.37
12 INCH
MM		 8-5/8
219.07		 8-3/4
222.25		 9-1/8
231.77		 9-7/16
239.71
14 INCH
MM		 9-1/4
234.95		 9-3/8
238.12		 9-3/4
247.65		 10-1/16
255.58		 10-3/8
263.52
16 INCH
MM		 10-1/4
260.35		 10-3/8
263.52		 10-3/4
273		 11-1/16
280.98		 11-3/8
288.92		 11-1/2
292.10
18 INCH
MM		 11-1/4
285.75		 11-3/8
288.92		 11-3/4
298.45		 12-1/16
306.38		 12-3/8
314.32		 12-1/2
317.50		 12-11/16
322.26
20 INCH
MM		 12-1/4
311.15		 12-3/8
314.32		 12-3/4
323.9		 13-1/16
331.78		 13-3/8
339.72		 13-1/2
342.90		 13-11/16
347.66		 13-13/16
350.83
24 INCH
MM		 14-1/4
361.95		 14-3/8
365.12		 14-3/4
374.65		 15-1/16
382.58		 15-3/8
390.52		 15-1/2
393.70		 15-11/16
398.46		 15-13/16
401.63		 16
406.40

Dimensions reducing Welding Oletss® according to MSS-SP97

NPS Standard Weight (STD)- NPS 1/2 up to NPS 24
A B C
1/2 INCH
MM		 3/4
19.05 		1-3/8
34.93 		15/16
23.81
3/4 INCH
MM		 7/8
22.23 		1-3/4
44.45 		1-3/16
30.16
1 INCH
MM		 1-1/16
26.99 		2-1/8
53.98 		1-7/16
36.51
1 ¼ INCH
MM		 1-1/4
31.75 		2-9/16
65.09 		1-3/4
44.45
1 ½ INCH
MM		 1-5/16
33.34 		2-7/8
73 		2
50.80
2 INCH
MM		 1-1/2
38.10 		3-1/2
88.90 		2-9/16
65.09
2 ½ INCH
MM		 1-5/8
41.28 		4-1/16
103.19 		3
76.20
3 INCH
MM		 1-3/4
44.45 		4-13/16
122.24 		3-11/16
93.66
3 ½ INCH
MM		 1-7/8
47.63 		5-5/8
142.88 		4
101.60
4 INCH
MM		 2
50.80 		6
152.40 		4-3/4
120.65
5 INCH
MM		 2-1/4
57.15 		7-1/16
179.39 		5-9/16
141.29
6 INCH
MM		 2-3/8
60.3 		8-1/2
215.90 		6-11/16
169.86
8 INCH
MM		 2-3/4
69.85 		10-3/8
263.53 		8-11/16
220.66
10 INCH
MM		 3-1/16
77.79 		12-11/16
322.26 		10-13/16
274.64
12 INCH
MM		 3-3/8
85.73 		14-7/8
377.83 		12-13/16
325.44
14 INCH
MM		 3-1/2
88.90 		16-1/8
409.58 		14-1/16
357.19
16 INCH
MM		 3-11/16
93.66 		18-1/4
463.55 		16-1/16
407.99
18 INCH
MM		 3-13/16
96.84 		20-1/2
520.70 		18-1/16
458.79
20 INCH
MM		 4
101.60 		22-1/2
571.50 		20
508.00
24 INCH
MM		 4-9/16
115.89 		27-1/8
688.98 		24-3/16
614.36

Dimensions reducing Welding Oletss® according to MSS-SP97

NPS Extra Strong (XS)- NPS 1/2 up to NPS 24
A B C
1/2 INCH
MM		 3/4
19.05 		1-3/8
34.93 		15/16
23.81
3/4 INCH
MM		 7/8
22.23 		1-3/4
44.45 		1-3/16
30.16
1 INCH
MM		 1-1/16
26.99 		2-1/8
53.98 		1-7/16
36.51
1 ¼ INCH
MM		 1-1/4
31.75 		2-9/16
65.09 		1-3/4
44.45
1 ½ INCH
MM		 1-5/16
33.34 		2-7/8
73 		2
50.80
2 INCH
MM		 1-1/2
38.10 		3-1/2
88.90 		2-9/16
65.09
2 ½ INCH
MM		 1-5/8
41.28 		4-1/16
103.19 		3
76.20
3 INCH
MM		 1-3/4
44.45 		4-13/16
122.24 		3-11/16
93.66
3 ½ INCH
MM		 1-7/8
47.63 		5-3/8
136.53 		4
101.60
4 INCH
MM		 2
50.80 		6
152.40 		4-3/4
120.65
5 INCH
MM		 2-1/4
57.15 		7-1/16
179.39 		5-9/16
141.29
6 INCH
MM		 3-1/16
77.79 		8-7/8
225.43 		6-11/16
169.86
8 INCH
MM		 3-7/8
98.43 		11-1/2
292.10 		8-11/16
220.66
10 INCH
MM		 3-11/16
93.66 		12-3/4
323.9 		10-7/16
265.11
12 INCH
MM		 4-1/16
103.19 		14-15/16
379.41 		12-1/2
317.50
14 INCH
MM		 3-15/16
100.01 		17
431.80 		13-13/16
350.84
16 INCH
MM		 4-3/16
106.36 		18-3/8
466.73 		15-7/8
403.23
18 INCH
MM		 4-3/8
111.13 		20-3/8
517.53 		17-5/16
439.74
20 INCH
MM		 4-11/16
119.06 		22-15/16
582.61 		20-1/16
509.59
24 INCH
MM		 5-1/2
139.70 		27-7/8
708.03 		24-3/16
614.36

Dimensions (L) Center Line of Run Pipe to Face of Welding Olets (Table 1 of 2)

PS Outlet Sizes TD and XS NPS 1/2 up to NPS 4
1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4
3/4 INCH
MM		 1-1/4
31.75
1 INCH
MM		 1-3/8
34.92 		1-1/2
38.10
1 ¼ INCH
MM		 1-9/16
39.68 		1-11/16
42.86 		1-7/8
47.62
1 ½ INCH
MM		 1-11/16
42.86 		1-13/16
46.03 		2
50.80 		2-3/16
55.56
2 INCH
MM		 1-15/16
49.21 		2-1/16
52.38 		2-1/4
57.15 		2-7/16
61.91 		2-1/2
63.50
2 ½ INCH
MM		 2-3/16
55.56 		2-5/16
58.73 		2-1/2
63.50 		2-11/16
68.26 		2-3/4
69.85 		2-15/16
74.61
3 INCH
MM		 2-1/2
63.5 		2-5/8
66.67 		2-13/16
71.43 		3
76.20 		3-1/16
77.78 		3-1/4
82.55 		3-3/8
85.72
3 ½ INCH
MM		 2-3/4
69.85 		2-7/8
73.02 		3-1/16
77.78 		3-1/4
82.55 		3-5/16
84.13 		3-1/2
88.9 		3-5/8
92.07 		3-3/4
95.25
4 INCH
MM		 3
76.2 		3-1/8
79.37 		3-5/16
84.13 		3-1/2
88.90 		3-9/16
90.48 		3-3/4
95.25 		3-7/8
98.42 		4
101.60 		4-1/8
104.77
5 INCH
MM		 3-9/16
90.48 		3-11/16
93.66 		3-7/8
98.42 		4-1/16
103.18 		4-1/8
104.77 		4-5/16
109.53 		4-7/16
112.71 		4-9/16
115.88 		4-11/16
119.06 		4-13/16
122.23
6 INCH
MM		 4-1/16
103.18 		4-3/16
106.36 		4-3/8
111.12 		4-9/16
115.88 		4-5/8
117.47 		4-13/16
122.23 		4-15/16
125.41 		5-1/16
128.58 		5-3/16
131.76 		5-5/16
134.93
8 INCH
MM		 5-1/16
128.58 		5-3/16
131.76 		5-3/8
136.52 		5-9/16
141.28 		5-5/8
142.87 		5-13/16
147.63 		5-15/16
150.81 		6-1/16
153.98 		6-3/16
157.16 		6-5/16
160.3
10 INCH
MM		 6-1/8
155.57 		6-1/4
158.75 		6-7/16
163.51 		6-5/8
168.27 		6-11/16
169.86 		6-7/8
174.62 		7
177.8 		7-1/8
180.97 		7-1/4
184.15 		7-3/8
187.32
12 INCH
MM		 7-1/8
180.97 		7-1/4
184.15 		7-7/16
188.91 		7-5/8
193.67 		7-11/16
195.26 		7-7/8
200.02 		8
203.20 		8-1/8
206.37 		8-1/4
209.55 		8-3/8
212.72
14 INCH
MM		 7-3/4
196.85 		7-7/8
200.02 		8-1/16
204.78 		8-1/4
209.55 		8-5/16
211.13 		8-1/2
215.90 		8-5/8
219.07 		8-3/4
222.25 		8-7/8
225.42 		9
228.60
16 INCH
MM		 8-3/4
222.25 		8-7/8
225.42 		9-1/16
230.18 		9-1/4
234.95 		9-5/16
236.53 		9-1/2
241.30 		9-5/8
244.47 		9-3/4
247.65 		9-7/8
250.82 		10
254.00
18 INCH
MM		 9-3/4
247.65 		9-7/8
250.82 		10-1/16
255.58 		10-1/4
260.35 		10-5/16
261.93 		10-1/2
266.70 		10-5/8
269.87 		10-3/4
273 		10-7/8
276.22 		11
279.40
20 INCH
MM		 10-3/4
273 		10-7/8
276.22 		11-1/16
280.98 		11-1/4
285.75 		11-5/16
287.33 		11-1/2
292.10 		11-5/8
295.27 		11-3/4
298.45 		11-7/8
301.62 		12
304.80
24 INCH
MM		 12-3/4
323.9 		12-7/8
327.02 		13-1/16
331.78 		13-1/4
336.55 		13-5/16
338.13 		13-1/2
342.90 		13-5/8
346.07 		13-3/4
349.25 		13-7/8
352.42 		14
355.60

Dimensions (L) Center Line of Run Pipe to Face of Welding Olets (Table 2 of 2)

NPS Outlet Sizes Extra Strong (XS) - NPS 5 up to NPS 20
5 6 8 10 12 14 16 18 20
6 INCH
MM		 5-9/16
141.28
8 INCH
MM		 6-9/16
166.68 		7-3/8
187.33
10 INCH
MM		 7-5/8
193.67 		7-3/4
196.85 		9-1/4
234.95
12 INCH
MM		 8-5/8
219.07 		9-7/16
239.71 		10-1/4
260.35 		10-1/16
255.59
14 INCH
MM		 9-1/4
234.95 		10-1/16
255.59 		10-7/8
276.23 		10-11/16
271.46 		11-1/16
280.99
16 INCH
MM		 10-1/4
260.35 		11-1/16
280.99 		11-7/8
301.63 		11-11/16
296.86 		12-1/16
301.39 		11-15/16
303.21
18 INCH
MM		 11-1/4
285.75 		12-1/16
306.39 		12-7/8
327.03 		12-11/16
322.26 		13-1/16
331.79 		12-15/16
328.61 		13-3/16
334.96
20 INCH
MM		 12-1/4
311.15 		13-1/16
331.79 		13-7/8
352.43 		13-11/16
347.66 		14-1/16
357.19 		13-5/16
338.14 		14-3/16
360.36 		14-3/8
365.13
24 INCH
MM		 14-1/4
361.95 		15-1/16
382.59 		15-7/8
403.23 		15-11/16
398.46 		16-1/16
407.99 		15-15/16
404.81 		16-3/16
411.16 		16-3/8
415.93 		16-1/16
407.99
Stainless Steel Olets Alloy Steel Olets Carbon Steel ASTM A 234 Olets
SS 304 Olets
SS 304L Olets
SS 304H Olets
SS 316 Olets
SS 316L Olets
SS 316Ti Olets
SS 310 Olets
SS 310S Olets
SS 321 Olets
SS 321H Olets
SS 317 Olets
SS 347 Olets
SS 347H Olets
 Nickel Alloys Olets
Nickel 200 Olets
Nickel 201 Olets
Monel 400 Olets
Monel 500 Olets
Inconel 800 Olets
Inconel 825 Olets
Inconel 600 Olets
Inconel 625 Olets
Inconel 601 Olets 		Hastelloy C 276 Olets
Alloy 20 Olets
Titanium Olets
Duplex Steel 2205 Olets
Copper Alloys Olets
Aluminium Olets
Copper Olets
Brass Olets
Gunmetal Olets