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90 Degree Long Radius Elbow
An elbow is a pipe fitting that is used as a connection point between two lengths of pipes to produce a change in the direction of flow in the pipe, usually at an angle of 90°, 45°, or 180°. Butt weld long radius 90 degree elbow is used for 90 degree turn on piping in butt weld piping system. The long radius elbows have a center to end distance that is 1.5 times the NPS in inches (R=1.5D). Long radius elbows are preferred when space is available and flow is more critical.
Product | Long Radius Elbow, LR Elbow, 90 Degree Long Radius Elbow |
Size | 1/8″ NB TO 48″ NB (Seamless & Welded) |
Wall Thickness: Sch.5S to Sch.XXS | |
Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings |
Material | carbon steel ASTM, A234, WPB / A420, WPL3 / A420, WPL6 / MSS-SP-75, WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70 |
Stainless Steel ASTM, A403, WP304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L | |
ALLOY STEEL ASTM A234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91 | |
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500 |
2. Long Radius 90 Degree Elbow Standard
ASTM A234 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service |
ASTM A420 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
ASTM A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
ASTM A694 | Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
NPS | OD | A | B |
1/2 | 21.3 | 38 | 16 |
3/4 | 26.7 | 38 | 19 |
1 | 33.4 | 38 | 22 |
1-1/4 | 42.2 | 48 | 25 |
1-1/2 | 48.3 | 57 | 29 |
2 | 60.3 | 76 | 35 |
2-1/2 | 73.0 | 95 | 44 |
3 | 88.9 | 114 | 51 |
3-1/2 | 101.6 | 133 | 57 |
4 | 114.3 | 152 | 64 |
5 | 141.3 | 190 | 79 |
6 | 168.3 | 229 | 95 |
8 | 219.1 | 305 | 127 |
10 | 273.0 | 381 | 159 |
12 | 323.8 | 457 | 190 |
NPS | OD | A | B |
14 | 355.6 | 533 | 222 |
16 | 406.4 | 610 | 254 |
18 | 457.0 | 686 | 286 |
20 | 508.0 | 762 | 318 |
22 | 559.0 | 838 | 343 |
24 | 610.0 | 914 | 381 |
26 | 660.0 | 991 | 406 |
28 | 711.0 | 1067 | 438 |
30 | 762.0 | 1143 | 470 |
32 | 813.0 | 1219 | 502 |
34 | 864.0 | 1295 | 533 |
36 | 914.0 | 1372 | 565 |
38 | 965.0 | 1448 | 600 |
40 | 1016.0 | 1524 | 632 |
42 | 1067.0 | 1600 | 660 |
NPS | OD | A | B |
44 | 1118.0 | 1676 | 695 |
46 | 1168.0 | 1753 | 727 |
48 | 1219.0 | 1829 | 759 |
All dimensions are in mm.
4. Long Radius 90 Degree Elbow Weight Chart
Elbow weight chart in KG, 90 Degree Long Radius Schedule – Buttweld Elbow Weight
Type | SCHEDULE STD | Schedule XS | SCHEDULE 160 | SCHEDULE XXS | ||||
NPS | LBS | KG | LBS | KG | LBS | KG | LBS | KG |
1/2 | 0.18 | 0.08 | 0.25 | 0.11 | – | – | – | – |
3/4 | 0.19 | 0.09 | 0.25 | 0.11 | – | – | – | – |
1 | 0.4 | 0.18 | 0.5 | 0.23 | 0.6 | 0.27 | 0.75 | 0.34 |
1¼ | 0.6 | 0.27 | 0.9 | 0.41 | 1 | 0.45 | 1.38 | 0.63 |
1½ | 0.9 | 0.41 | 1.15 | 0.52 | 1.8 | 0.82 | 1.5 | 0.68 |
2 | 1.6 | 0.73 | 2.2 | 1 | 3.25 | 1.47 | 3.5 | 1.59 |
2½ | 3.25 | 1.47 | 4 | 1.81 | 5.13 | 2.33 | 7 | 3.18 |
3 | 5 | 2.27 | 6.5 | 2.95 | 8.5 | 3.86 | 11 | 4.99 |
3½ | 6.75 | 3.06 | 8.35 | 3.79 | – | – | 16 | 7.26 |
4 | 9 | 4.08 | 13.5 | 6.12 | 18 | 8.16 | 20 | 9.07 |
5 | 15 | 6.8 | 22 | 9.98 | 32 | 14.51 | 36 | 16.33 |
6 | 24.5 | 11.11 | 35 | 15.88 | 57 | 25.85 | 65 | 29.48 |
8 | 50 | 22.68 | 71 | 32.21 | 120 | 54.43 | 118 | 53.52 |
10 | 88 | 39.92 | 107 | 48.53 | 260 | 117.93 | – | – |
12 | 125 | 56.7 | 160 | 72.57 | 450 | 204.12 | – | – |
14 | 160 | 72.57 | 205 | 92.99 | 572 | 259.45 | – | – |
16 | 206 | 93.44 | 276 | 125.19 | – | – | – | – |
18 | 260 | 117.93 | 340 | 154.22 | – | – | – | – |
20 | 320 | 145.15 | 420 | 190.51 | – | – | – | – |
22 | 394 | 178.72 | 520 | 235.87 | – | – | – | – |
24 | 460 | 208.65 | 600 | 272.16 | – | – | – | – |
26 | 550 | 249.48 | 729 | 330.67 | – | – | – | – |
30 | 734 | 332.94 | 975 | 442.25 | – | – | – | – |
36 | 1062 | 481.72 | 1412 | 640.47 | – | – | – | – |
5. Price list of SCHEDULE 40 Long Radius 90 Degree Elbow
1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=1.50 | 3/4″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=1.50 | 1″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=1.50 | 1-1/4″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=1.88 |
1-1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=2.25 | 2″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=3.00 | 2-1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=3.75 | 3″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=4.50 |
4″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=6.00 | 5″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=7.50 | 6″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=9.00 | 8″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=12.00 |
10″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=15.00 | 12″ 90 Degree LR Butt Weld Sch 40 Elbow 304/304L SS A=16.00 | 1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=1.50 | 3/4″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=1.50 |
1″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=1.50 | 1-1/4″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=1.88 | 1-1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=2.25 | 2″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=3.00 |
2-1/2″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=3.75 | 3″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=4.50 | 4″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=6.00 | 5″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=7.50 |
6″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=9.00 | 8″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=12.00 | 10″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=15.00 | 12″ 90 Degree LR Butt Weld Sch 40 Elbow 316/316L SS A=16.00 |
6. Pipe Elbow Process
Butt weld elbows 90 degrees can be manufactured in different ways, the main ones are the “mandrel process” and the “cold forming” (other methods are the elliptical forming and the double-seam welding method).
PIPE ELBOW MANUFACTURING PROCESS-Mandrel Process
PIPE ELBOW MANUFACTURING PROCESS-Cold forming
7. Packing of 90 Degree Long Radius Elbow
Estan Pipe Fittings emphasizes the packaging to ensure that there is no damage during transit to the long radius elbows. 90 Degree long radius elbows are packed in export standard plywood pallets/ free fumigation wooden case. They are marked with Grade, Lot No, Size, Degree, etc. You can also contact us for customized marking.
Surface: Light Oiling, Black Painting, Galvanizing, PE /3PE Anti-corrosion Coating
Packing: Export Standard Plywood Pallets/ Free Fumigation Wooden Case.
8. Long Radius 90 Degree Elbow HS Code
- 73072100 ELBOW PIPE SEAMLESS BW 18IN, CS ASTM A234, WPB 90,LONG SCH120, ANSI B 16.9
- 73072300 90DEG LONG RADIUS ELBOW SA234 GRWPB DIA 12 SCH XS ASEM B16.9
- 73072900 ELBOW, PIPE ; BW, 6IN, SS ASTM A403, WP304L, 90, LONG, 10S , ASME B16.9
- 73079390 ELBOW 8 SCHEDULE 80 90 DEGREE LONG RADIUS MATERIAL CS LOW TEMP WPL6
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