Understanding the Role of 90-Degree Elbow in Oil and Gas Industry

Table of Content

90° Elbow Specification
90DegreeElbowDimensions
Seamles 90 Deg Elbow Application
Short Radius 90 Deg Elbow Benefits
Welded 90° Elbow Materials
Long Radius 90 Deg Elbow Weldings Methods

90 Degree Swivel Elbow Pressure Temperature
Buttweld 90 Deg Elbow Testing Methods
90 Degree ElbowWeight Chart
45 vs 90 Degree Elbow
90 Degree Elbow Short Radius Vs Long Radius
Swivel 90 Degree Elbow Weight Chart
90 Degree Elbow Thickness Chart

90° Elbow Specification

90 Deg Elbow Sizes

1/2" to 2"

Long Radius 90 Deg Elbow Standards

ASME B1.20.1

SR 90 Deg Elbow Manufacturing Process

Forged

Swivels

Single

Hydrostatically Tested

600 PSI

90° Elbow Connection Types

Threaded (BSPP or NPT)

Certification of Buttweld 90 Deg Elbow

EN 10204 3.1
EN 10204 3.2

90 Degree Swivel Elbow Threads

NPT, BSPT, BSPP
SAE, JIC

90-Degree Elbow Types

NH 90 Swivel Elbow
No-Hub Long 90 Degree Elbow

Get 90 Deg Elbow in Size Ranging From ½ inch to 10 inch, Also Custom Size

90 Degree Elbow Dimensions

Normal Pipe Size	90° Long Rad. (A)	Outside Diameter of D
3.1/2	133	101.6
2.1/2	95	73
1.1/4	48	42.2
1.1/2	57	48.3
3/4	38	26.7
1/2	38	21.3
24	914	610
22	838	559
20	762	508
18	686	457
16	610	406.4
14	533	355.6
12	457	323.8
10	381	273
8	305	219.1
6	229	168.3
5	190	141.3
4	152	114.3
3	114	88.9
2	76	60.3
1	38	33.4

Find 90 Degree Swivel Elbow Industrial Applications Here

Seamless 90 Deg Elbow Application

90 Degree Elbow
Oil and Gas
Chemical Processing
Pharmaceuticals
Marine Applications

Refer to the Benefits of Using 90 Degree Fittings in Marine Industry

Short Radius 90 Deg Elbow Benefits

Reduce friction,
Avoid system leaks

View What Materaials are Commonly Used for 90 Degree Pipe Elbow in Oil and Gas industry

Welded 90° Elbow Materials

Carbon steel

Stainless steel

Copper-nickel

Alloy steel

Nickel alloy

Long Radius 90 Deg Elbow Weldings Methods

TIG Welding (GTAW)

Stick Welding (SMAW)

MIG Welding (GMAW)

Check 90 Degree Bend Pipe Pressure Ratings and Testing Methods, Compare 45 vs 90 Degree Elbow

90 Degree Swivel Elbow Pressure Temperature

R/Tc (PT)	d	L1	L2	L3	a Reference Dia (G)	h Wrench Flats	h Wrench Flats
1/4	5	19.5	31.5	30	6.01	22	14
3/8	8	22	35.7	30	6.35	27	19
1/2	11.5	24	40.3	35	8.16	32	22
3/4	16	30	48.5	42	9.53	41	30

R/Tc (PT)	d	L1	L2	L3	a Reference Dia (G)	h Wrench Flats	h Wrench Flats
1/4	5	19.5	31.5	29	6.01	22	14
3/8	8	22	35.7	30	6.35	27	19
1/2	11.5	24	40.3	35	8.16	32	22
3/4	16	30	48	41	9.53	41	30

R/Tc (PT)	d	L1	L2	L3	a Reference Dia (G)	h Wrench Flats	h Wrench Flats
1/4	5	19.5	31.5	30	6.01	22	14
3/8	8	22	35.7	33	6.35	27	19
1/2	11.5	24	40.3	38	8.16	32	22
3/4	16	30	48.5	42	9.53	41	30

Buttweld 90 Deg Elbow Testing Methods

Pressure testing
Radiography
Burst tests
Hydro-testing

90 Degree Elbow Weight Chart

Common			90˚ Elbow
Nominal Pipe Size	OD at Bevel		A		40S/STD
Nominal Pipe Size	in mm		in mm		Kg/Piece
12	12.75	324	18	457	60
10	10.75	273	15	381	41.5
8	8.62	219	12	305	22
6	6.62	168	9	229	11
5	5.56	141	7.5	190	6.8
4	4.5	114	6	152	4
3	3.5	89	4.5	114	2.5
2	2.38	60	3	76	0.7
1	1.32	33	1.5	38	0.15
1/2	0.84	21	1.5	38	0.08
3/4	1.05	27	1.5	38	0.1
31/2	4	102	5.25	133	3.25
21/2	2.88	73	3.75	95	1.4
11/4	1.66	42	1.88	48	0.26
11/2	1.9	46	2.25	57	0.4

45 vs 90 Degree Elbow

Properties	45 Deg Elbow	90 Deg Elbow
Schedule	SCH 5S To SCH 80S	SCH 5S To SCH 110S
Bend Angle	45 Deg	90 Deg
Size	1/2 To 26 Inch	1/2 To 36 Inch
End Connection Type	Buttweld/Welded	Welded
Use	Petro Chemical	Chemical Equiment

90 Degree Elbow Short Radius Vs Long Radius

NPS	O.D	Center to End
		Short Radius Elbow	Long Radius Elbow
		90 degree A	90 degree A	45 degree B
		90 degree A	90 degree A	45 degree B
1/2	21.3	-	38.1	15.7
3/4	26.7	-	38.1	19.1
80*	2032	2032	3048	1263
76*	1930	1930	2896	1199
72*	1829	1829	2743	1137
68*	1727	1727	2591	1073
66*	1676.4	-	2514.6	1041.6
60*	1524	1524	2286	946.9
56*	1422.4	1422.4	2133.6	883.8
54*	1371.6	1371.6	2057.4	852.2
52*	1320.8	1320.8	-	-
3-1/2	101.6	88.9	133.4	57.2
2-1/2	73	63.5	95.2	44.4
1-1/4	42.2	31.8	47.8	25.4
1-1/2	48.3	38.1	57.2	28.4
48	1219.2	1219.2	1828.8	759
46	1168.4	-	1752.6	726.9
44	1117.6	1117.6	1676.4	695.5
42	1066.8	1066.8	1600.2	660.4
40	1016	1016	1524	632
38	965.2	-	1447.8	599.9
36	914.4	914.4	1371.6	565.2
34	863.6	863.6	1295.4	533.4
32	812.8	812.8	1219.2	501.6
30	762	762	1143	469.9
28	711.2	711.2	1066.8	438.2
26	660.4	660.4	990.6	406.4
24	609.6	609.6	914.4	381
22	558.8	558.8	838.2	342.9
20	508	508	762	317.5
18	457.2	457.2	685.8	285.8
16	406.4	406.4	609.6	254
14	355.6	355.6	533.4	222.2
12	323.9	304.8	457.2	190.5
10	273.1	254	381	158.8
8	219.1	203.2	304.8	127
6	168.3	152.4	228.6	95.2
5	141.3	127	190.5	79.2
4	114.3	101.6	152.4	63.5
3	88.9	76.2	114.3	50.8
2	60.3	50.8	76.2	35.1
1	33.4	25.4	38.1	22.4

Swivel 90 Degree Elbow Weight Chart

BSP'P' Thread Size (G)	A	B	C	HEX
1/8	25.4	3.5	4.1	14.3
1 ^1/4	54.1	28.5	10.5	47.2
1 ^1/2	59.8	33.3	12.2	56.4
5/8	37.3	14.2	10.1	28.6
3/8	31.5	8.1	4.6	22.2
3/4	42.5	16.6	8.7	31.7
1/4	28.6	4.7	4.2	18.1
1/2	31.5	11.1	6.8	25.6
2	79.4	46.1	15.1	69.8
1	49.5	22.2	10.1	38.1

90 Degree Elbow Thickness Chart

Nom Size	OD 'A'	Radius 'B'	Sch STD	Sch XS	Sch 160	Sch XXS
Inches	mm	(mm)	(kg)	(kg)	(kg)	(kg)
42	1067	1600	616	820	-	-
36	914	1372	478	635	-	-
30	762	1143	331	429	-	-
26	660.4	991	201	273	-	-
24	610	914	177	234	-	-
20	508	762	139	189	-	-
18	457.2	686	115	147	-	-
16	406.4	610	91	116	371	-
14	355.6	533	66	86	253	-
12	323.8	457	53	68	207	-
10	273	381	35	50	122	-
8	219.1	305	20	31	57	54
6	168.3	229	10.4	14	27	28
5	141.3	190	6.4	9	15	17
4	114.3	152	3.8	5.4	8.5	9.5
3/4	26.7	29	0.14	0.09	-	-
1/2	21.3	38	0.09	0.09	-	-
3 ^1/2	101.6	133	2.8	3.83	-	7.3
3	88.9	114	2.03	2.7	4.05	5.04
2 ^1/2	73	95	1.35	1.8	2.7	3.2
2	60.3	76	0.68	0.9	1.44	1.71
1 ^1/2	48.3	57	0.34	0.45	0.81	0.9
1 ^1/4	42.2	48	0.23	0.32	0.45	0.63
1	33.4	38	0.18	0.23	0.27	0.36