Long Radius Elbow, Return Bend and U Bend Manufacturer

Suppliers of Long Radius Elbow 90 Degree Mumbai, Manufacturer of 180 Degree Return Bend in India

LR Elbow, Return & U Bend Content

Rajveer Stainless & Alloys is the prominent manufacturer, supplier, and exporter of pipe bends and elbows worldwide. The entire long radius elbow range is available at different dimensions, size, shape, length, surface finish, and wall thickness. We also offer this LR Bend as per our valuable clients and the industry demands at the best price. It is the part of pipe fittings used broadly as a form of connection between two lengths of pipes for the fluid’s flow direction into the pipe. These are used in the piping system for smooth working.

Long-radius (LR) elbows are pipe fittings specifically designed to change the direction of flow with a gentle turn. By definition, a long-radius elbow has a centerline curvature of 1.5× the nominal pipe diameter (1.5D). This larger radius produces a smoother, gradual change in direction, which reduces turbulence and pressure drop compared to sharper bends. Long-radius elbows are commonly available in standard angles (22.5°, 45°, 90°, 180°) and are identified by their large center-to-face dimensions (1.5×NPS for 90° bends). In contrast, a short-radius (SR) elbow has a radius equal to 1.0× the diameter (1D) and a more compact shape.

LR elbows provide gradual changes in flow direction, minimizing energy loss. They reduce pressure drop and erosion (especially important in high-velocity or abrasive flows). The larger bend radius means fluid “sees” a gentler turn, so velocity profile and pressure remain more uniform through the elbow. These come in various sizes from ½″ (DN15) up to very large diameters, with standard sizes covering NPS ½–48 (OD 21.3–1219 mm).

Rajveer

Mumbai-Based Stockist of Return Bend Fitting, Buy U Bend at Lowest Price, Pipe Bend Manufacturer in India

LR Elbow has excellent mechanical strength with perfect dimensional accuracy. It is available in various materials such as stainless steel, carbon steel, high nickel alloy such as nickel, monel, hastelloy, inconel, etc. It provides good corrosion resistance, pitting resistance, and oxidation resistance.

Return bend, also known as a 180° elbow, is a pipe fitting system that helps in moving liquids or other fluids safely and efficiently, and it allows for the whole reversal of the flow. This type of fitting creates a U-shaped path, completely changing the direction of flow back toward the origin point.

U bend, essentially another name for the return bend or 180° elbow, has an anti-corrosive body that shows excellent resistance to high heat and acidic media. We offer return elbow having many outstanding features such as high tensile strength, superior finish, higher durability, and excellent machinability.

Return bend also offers remarkable erosion resistance and longer functioning life. This U Bend also provides better resistance to crevice corrosion and stress corrosion cracking. Because of these attributes, Rajveer Stainless & Alloys manufactured LR Bend are highly valued by our clients. Our high-quality LR Elbow is mostly used by the ventilation facility pipeline, water supply system, dairy, food processing industrial pipeline, chemical industry, solar power application, fertilizer, sugar industry, petrochemical, and agriculture industry.

Rajveer Stainless & Alloys manufactures elbow bend pipe using premium quality raw materials selected and tested thoroughly by our expert team members. Our professionals precisely fabricate these products using the latest tools and techniques to fulfill the needs of industries. We always follow all the international and national quality standards to ensure perfect dimensional accuracy. We give the highest significance to the packaging of products and appropriately pack U Bend and offer damage-free delivery. We always use the fastest mode of transport and provide on-time delivery of products.

Buttweld LR Elbow, Return & U Bend Specifications :

Size	Seamless ( 1/2″～24″), Welded / Fabricated (1/2″～48″)
Dimensions	ASME/ANSI B16.9, ASME B16.28, BS4504, BS4504, BS1560, BS10
Type	Buttweld
Form	Buttweld Long Radius Elbow, Returns & U Bends.

Standards

Long-radius elbows are governed by pipe fitting standards. In the US/ANSI system, ASME B16.9 covers wrought butt-weld pipe fittings (including LR elbows) for NPS ½–48. (By contrast, ASME B16.28 covers short‐radius elbows).

Material standards include ASTM A234/A420 for carbon & alloy steel fittings and ASTM A403/A815 for austenitic and duplex stainless fittings.

Internationally, ISO 3419 (steel butt-weld fittings) specifies dimensions and steels for bends (type “2D” and “3D”) and ISO 5251 covers stainless butt-weld fittings (type 3D, 5D).

European standards (EN 10253-2/-4) and MSS SP-43 (stainless) likewise define LR elbow geometry.

In summary, LR elbows conform to the dimensional and material specs of these standards, ensuring interchangeability and code compliance.

Types and Sizes:

LR elbows come in various angles. The most common are 90° bends, followed by 45° and 180° (U-bend) elbows.

Some systems also use 22.5° or 60° elbows for finer directional control. Standard sizes cover from ½″ (DN15) up to very large diameters (ASME B16.9 covers NPS ½–48, i.e. OD 21.3–1219 mm.

In metric, ISO and EN standards cover butt-weld fittings in similar size ranges. Elbows are made to various wall thicknesses (schedules): for example, standard weight (SCH40), extra-strong (SCH80/XH), and double-extra strong (XXS) are common. The center-to-end dimensions scale with pipe size: for a 90° LR elbow the “center‐to‐face” distance = 1.5×NPS (in inches). (For example, a 6″ NPS LR elbow would have about a 9″ center‑to‑face.)

Materials Used

Long-radius elbows are made from many materials.

Stainless steel long radius elbows (ASTM A403 WP304/316L, A182 F304/316, etc.) are used for corrosive or hygienic services
Duplex stainless (ASTM A815 UNS S31803/32205) is common for oil/gas corrosive service,

Nickel alloys (ASTM B366, e.g. Inconel, Monel, Hastelloy,) for extreme conditions. PVC and CPVC elbows (e.g. ASTM D2466/D2467 fittings) are widely used in water and corrosive fluid plumbing (low pressure, non-metallic systems). Other specialty materials exist (e.g. brass/copper for small elbows, FRP composites, etc.), but carbon and stainless steel dominate high-pressure piping.

Carbon steel is most common (grades like ASTM A234 WPB, A106, ASME SA105), for moderate service (water, steam, oil).

Low-temperature carbon steels (ASTM A420 WPL3/WPL6) are specified for cryogenic services.

Alloy steels (ASTM A234 grades WP1, WP5, WP9, WP91, etc.) cover higher-temperature and higher-pressure oil/gas applications.

Carbon Steel long radius elbow	ASTM A105 Long Radius 90 Degree Elbows ASME SA105 Long Radius 45 Degree Elbows DIN 1.0402 Long Radius Reducing Elbows DIN 1.0460 Long Radius Pipe Elbows DIN 1.0619 Steel Pipe Longs rad. Elbows ASTM A105N Long Radius Pipe Elbows ASME SA105N Elbows 90 Degree Long Radius ASTM A350 LF2 Long Radius Stainless Steel Elbows ASME SA350 Longs rad. Sanitary Elbows High Yield CS ASTM A694 Longs rad. Street Elbows
Stainless Steel long radius elbow	ASTM A182 F304 Long Radius Steel Elbows ASTM A182 F304L 10 Inch Long Radius Elbows ASTM A182 F316 long radius elbows ASTM A182 F316L 12 Inch Long Radius Elbows ASTM A182 F317 Long Radius Elbows Pipe Fittings ASTM A182 F317L 90 Degree Longs rad. Pipe Elbows ASTM A182 F321 Long Radius Grooved Elbows ASTM A182 F321H Longs rad. Elbows Sch 40 ASTM A182 F347 Long Radius Elbows Sch 80 ASTM A182 F347H Long Radius Sweep Elbows
Alloy Steel long radius elbow	ASTM A182 F5 Long Radius Elbow ASTM A182 F9 Lr Bw Elbows ASTM A182 F11 10 Inch Long Radius Elbows ASTM A182 F22 12 Inch Long Radius Elbows ASTM A182 F91 Long Radius Elbows Pipe Fittings
Inconel 90 Degree Long Radius Pipe Elbow	Inconel 600 Long Radius Grooved Elbows Inconel 601 Long Radius Elbows Sch 40 Inconel 625 Long Radius Elbows Sch 80 Inconel 718 Long Radius Sweep Elbows Inconel x750 Long rad. Bend Elbows
Copper Long Radius Elbow Materia	T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Copper Nickel Long Radius 90 Degree Elbow	Copper Nickel 90/10 (C70600 ) Longs rad. Elbows, Cupro Nickel 70/30 (C71500) Long Radius Sanitary Elbows, UNS C71640 Long Radius Street Elbows
Brass Long Radius 45 Degree Elbow	3602 / 2604 / H59 / H62 / etc.
Hastelloy Long Radius Reducing Elbow	Hastelloy C276 (UNS N10276) Longs Radius Bend Elbows, C22 (UNS N06022) Long rad. Elbow, C4 Long Radius 45 Degree Elbows, C2000 Long Radius Reducing Elbows, B2 Long Radius Pipe Elbows, B3 Long rad. Elbow, X Long rad. Elbow
Monel Long Radius Pipe Elbow	Monel 400 (UNS No. N04400) Elbows 90 Degree Long Radius, Monel 500 (UNS No. N05500) Long Radius Sanitary Elbows
Alloy 20 Lr Bw Elbow	Carpenter® 20 Alloy Longs Radius Street Elbows, Alloy 20Cb-3 Long Radius Steel Elbows
Aluminium 5d Long Radius Elbow	5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Lr Bw Elbow	Nickel 200 Sch 40 Long rad. Elbows, Nickel 201 Schedule 10 Long Radius Elbows
Duplex 10 Inch Long Radius Elbows	S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex 10 Inch Long Radius Elbows	S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy 12 Inch Long Radius Elbows	Incoloy 800 Sch 160 Longs rad. Elbows, Incoloy 800H Sch 10 Longs rad. Elbows, Incoloy 800HT (UNS N08800) 90 Degree Lr Elbows, Incoloy 825 (UNS N08825) Sch 40 Lr Elbows
254 Smo Long Radius Elbow Pipe Fittings	SMO 254/6Mo Elbows 45 Deg Lr, UNS S31254 LR Bw Elbows, DIN 1.4547 10 Inch Long Radius Elbows
Nimonic 90 Degree Long Radius Pipe Elbow	Nimonic 75 12 Inch Long Radius Elbows, Nimonic 80A Long Radius Elbows Pipe Fittings, Nimonic 90 long radius elbow
Other Long Radius Elbow Material	Tin bronze Long Radius Grooved Elbows, Alumunum bronze 90 Degree Long Radius Pipe Elbows, Lead bronze Long Radius Elbows Sch 40
Titanium Long Radius Bend Elbow	ASTM B381 Titanium Gr. 1 Long Radius Elbow Sch 80 ASTM B381 Titanium Gr. 2 Long Radius Sweep Elbows ASTM B381 Titanium Gr. 4 Long Radius Bend Elbows ASTM B381 Titanium Gr. 5 Long Radius 90 Degree Elbows ASTM B381 Titanium Gr. 7 Long Radius Pipe Elbows

Long Radius Elbow Dimensions

Rajveer

Nominal Pipe Size (NPS)	Outside Diameter at Bevel (O/D)	Dimension A	Dimension B	Center to Center O	Back to Face K
1/2″	21.3	38	16	76	48
3/4″	26.7	38	19	76	51
1″	33.4	38	22	76	56
1.1/4″	42.2	38	25	95	70
1.1/2″	48.3	57	29	95	83
2″	60.3	76	35	152	106
2.1/2″	73.0	95	44	190	132
3″	88.9	114	51	229	159
3.1/2″	101.6	133	57	267	184
4″	114.3	152	64	305	210
5″	141.3	190	79	381	262
6″	168.3	229	95	457	313
8″	219.1	305	127	610	414
10″	273.0	381	159	762	518
12″	323.8	457	190	914	619
14″	355.6	533	222	1067	711
16″	406.4	610	254	1219	813
18″	457.0	686	286	1372	914
20″	508.0	762	318	1524	1016
22″	559.0	838	343	1676	1118
24″	610.0	914	381	1829	1219
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	……	……

Long Radius 90 Degree Elbow Dimensions

Rajveer

NPS	O.D. D	90 degrees Long Radius Center-to-End A	90 degrees 3D Center-to-End A
1/2	21.3	38	–
3/4	26.7	38	57
1	33.4	38	76
1¼	42.2	48	95
1½	48.3	57	114
2	60.3	76	152
2½	73	95	190
3	88.9	114	229
3½	101.6	133	267
4	114.3	152	305
5	141.3	190	381
6	168.3	229	457
8	219.1	305	610
10	273	381	762
12	323.8	457	914
14	355.6	533	1067
16	406.4	610	1219
18	457	686	1372
20	508	762	1524
22	559	838	1676
24	610	914	1829
26	660	991	1981
28	711	1067	2134
30	762	1143	2286
32	813	1219	2438
34	864	1295	2591
36	914	1372	2743
38	965	1448	2896
40	1016	1524	3048
42	1067	1600	3200
44	1118	1676	3353
46	1168	1753	3505
48	1219	1829	3658

45 Degree Long Radius Elbow Dimensions

Rajveer

NPS	O.D. D	45 Degrees Long Radius Center-to-End A	45 Degrees 3D Center-to-End A
1/2	21.3	38	–
3/4	26.7	38	57
1	33.4	38	76
1¼	42.2	48	95
1½	48.3	57	114
2	60.3	76	152
2½	73	95	190
3	88.9	114	229
3½	101.6	133	267
4	114.3	152	305
5	141.3	190	381
6	168.3	229	457
8	219.1	305	610
10	273	381	762
12	323.8	457	914
14	355.6	533	1067
16	406.4	610	1219
18	457	686	1372
20	508	762	1524
22	559	838	1676
24	610	914	1829
26	660	991	1981
28	711	1067	2134
30	762	1143	2286
32	813	1219	2438
34	864	1295	2591
36	914	1372	2743
38	965	1448	2896
40	1016	1524	3048
42	1067	1600	3200
44	1118	1676	3353
46	1168	1753	3505
48	1219	1829	3658

ASME B 16.9 Buttweld 180° Long Radius Elbow Dimensions

Rajveer

NPS	O.D. D	180° Long Radius
NPS	O.D. D	Center to Center O	Back to Face K
1/2	21.3	76	48
3/4	26.7	76	51
1	33.4	76	56
1¼	42.2	95	70
1½	48.3	114	83
2	60.3	152	106
2½	73	190	132
3	88.9	229	159
3½	101.6	267	184
4	114.3	305	210
5	141.3	381	262
6	168.3	457	313
8	219.1	610	414
10	273	762	518
12	323.8	914	619
14	355.6	1067	711
16	406.4	1219	813
18	457	1372	914
20	508	1524	1016
22	559	1676	1118
24	610	1829	1219

Types of Butt weld Long Radius Elbow, Return & U Bend

Nickel 200 Welded Long Radius Return
ASME B16.28 SS 304 Seamless LR 90° Elbow
UNS S31600 Long Radius 180 Deg Elbows
Alloy 2.4660 Buttweld LR Return
SMO 254 Seamless Long Radius U Bends
Incoloy 800 Buttweld LR U Bend
Alloy 20 Buttweld LR 45° Elbow
Stainless Steel 1.4306 / 1.4307 Long Radius Elbow Supplier
Stainless Steel Long Radius U Bends
Monel 400 Long Radius Elbow Manufacturer
Hastelloy C22 Buttweld LR Return
ASTM A234 Carbon Steel Long Radius Elbows

Pipe Long Radius U Bends in Riyadh
LR 90 Degree Elbow
Copper Nickel 90/10 Buttweld Long Radius Return
Buttweld LR 180° Elbow
Duplex Steel 1.4462 Buttweld Long Radius U Bend
LR Return Manufacturer in Mumbai
Industrial Buttweld LR Returns
UNS S32750 LR Returns
ANSI/ASME B16.9 Long Radius Elbow
SS Buttweld LR 45 Deg Elbows in Saudi Arabia
SS Long Radius Elbow
Nickel Alloy 201 Long Radius Elbow Exporter

Approved Manufacturer Makes of Buttweld LR Elbow, Return & U Bend

Butt Weld Long Radius Elbow, Return and U Bend Price List

Type of Seamless Long Radius Return	FOB Price: US $0.2-50 / Piece
Long Radius U Bends	FOB Price: US $0.2-500 / Piece
Nickel Alloy Seamless LR 45° Elbow	FOB Price: US $1.2-2500 / Piece
Long Radius Returns manufacturer	FOB Price: US $0.11-1 / Piece
High Quality Butt Weld LR 90 Deg Elbow	FOB Price: US $8-8000 / Piece
Stainless Steel Long Radius U Bends	FOB Price: US $0.5-6 / Piece
Alloy Welded Long Radius Returns	FOB Price: US $1-5000 / Piece
Buttweld LR U Bend	FOB Price: US $0.11-999 / Piece
Different Sizes of Long Radius 45 Degree Elbow	FOB Price: US $500-600 / Piece
Butt Weld LR Return	FOB Price: US $1.2-2500 / Piece
Carbon Steel Long Radius 180° Elbow	FOB Price: US $0.5-500 / Piece
High Nickel Alloy Buttweld LR Elbow	FOB Price: US $1000-2000 / Ton

For the latest prices on Long Radius Elbows and U-Bend Pipe Fittings, call us now

Application of Long Radius Buttweld Elbow, Return & U Bends

Long‐radius elbows are ubiquitous in piping systems across many sectors. In oil & gas and petrochemical plants, LR elbows (often carbon or stainless steel) connect pipelines, refineries, and chemical units.

These pipe bend elbows handle crude oil, natural gas, fuels and process fluids under high pressure/temperature. In water and wastewater systems, LR elbows (PVC, carbon steel, or ductile iron) appear in large water mains and treatment plants to maintain flow efficiency. Building plumbing and municipal water lines use PVC or copper LR elbows to reduce turbulence and avoid pressure drop.

In HVAC and air systems, 45° or 90° LR elbows (usually galvanized or aluminum) redirect airflow quietly and efficiently; the curved shape minimizes air resistance and noise.

Power plants and industrial process facilities use LR elbows (including alloy steel for boilers/steam lines) for smooth circulation of steam, condensate, and cooling fluids.

Other applications include chemical and food processing (corrosion-resistant stainless LR elbows), marine and shipbuilding (copper and duplex LR elbows for fuel/water), and construction/firefighting systems (fire sprinkler networks with LR brass/copper elbows). In each case, the goal is a leak-free, durable 90°/45° turn that preserves flow – as one industry guide notes, “the long radius elbow helps to minimize turbulence…and allows for the more efficient flow of materials

Petrochemical
Oil & Gas
Paper
Refineries
Nuclear Power
Cement
Sugar
Power Plant
Fertilizers
Breweries

Chemical
Petrochemical
Shipbuilding
Defence
Mining
Steel Plant
Construction
Oil Mills
Paper
Engineering Co.

EXPORT DESTINATIONS FOR Long Radius Elbow, Return & U Bend

Malaysia, Nigeria, Ghana, Spain, Sri Lanka, Libya, Saudi Arabia, United States, Switzerland, Germany, Ecuador, Vietnam, Nepal, Hong Kong, Norway, Romania, Nigeria, Jordan, Morocco, Denmark, Egypt, United Kingdom, Saudi Arabia, Turkey, Slovakia, Poland, Bahrain, Belgium, Jeddah, Ukraine, Venezuela, France, Mexico, Namibia, China, South Korea, Poland, Bhutan, Philippines, Zimbabwe, Croatia, Hungary, Peru, Oman, Indonesia, Bolivia, Chile, Austria, Kazakhstan, United Arab Emirates, Azerbaijan, Lebanon, Netherlands, Finland, Argentina, Japan, Trinidad and Tobago, Gabon, Israel, Puerto Rico, Kenya, Tunisia, Singapore, Angola, Czech Republic, Pakistan, Thailand, Colombia, Sweden, Kuwait, Bangladesh, Macau, Taiwan, Ireland, Afghanistan, Yemen, Iraq, Estonia, Bulgaria, Costa Rica, Belarus, Greece, Lithuania, Canada, Mexico, Brazil, Italy, New Zealand, rRiyadh, Qatar, Algeria, Iran, Tibet, Mongolia, Chile, South Africa, Iran, Gambia, Serbia, Russia, Dammam, India, Portugal, Australia

DOMESTIC SUPPLY FOR LR Elbows, Returns & U Bends

Ernakulam, Granada, Baroda, Pimpri-Chinchwad, Riyadh, Ulsan, Petaling Jaya, Noida, Rio De Janeiro, Haryana, Houston, Hanoi, Surat, Jeddah, Kuala Lumpur, Jakarta, Atyrau, Mumbai, Madrid, Aberdeen, Kanpur, Port-Of-Spain, Faridabad, Edmonton, Thiruvananthapuram, Gurgaon, Mexico City, Doha, Seoul, Milan, Sydney, Colombo, Cairo, Navi Mumbai, Singapore, Indore, Courbevoie, Moscow, Abu Dhabi, Kuwait City, Istanbul, Bangkok, Secunderabad, Ludhiana, Caracas, Ahmedabad, Hyderabad, Brisbane, Al Jubail, Santiago, Dammam, Chiyoda, Jaipur, Bogota, Al Khobar, Chennai, Bhopal, Jamshedpur, Ho Chi Minh City, Ankara, Calgary, London, Kolkata, Ahvaz, Lagos, Gimhae-Si, Thane, Dubai, Perth, Dallas, Nagpur, Rajkot, Vadodara, Coimbatore, New Delhi, Chandigarh, Ranchi, Sharjah, Howrah, Toronto, Busan, Melbourne, Los Angeles, New York, Tehran, Manama, Algiers, Vung Tau, Muscat, La Victoria, Visakhapatnam, Hong Kong, Geoje-Si, Bengaluru, Nashik, Montreal

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Leading supplier & exporter of Stainless Steel Pipes, Tubes, & Industrial Alloys in Mumbai, India.

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906/907, Floor-9, Plot-39, Parekh Market, Jagannath Shankarsheth Marg, Kennedy Bridge, Girgaon, Mumbai-400004

Long Radius Elbow, Return Bend and U Bend Manufacturer

Suppliers of Long Radius Elbow 90 Degree Mumbai, Manufacturer of 180 Degree Return Bend in India

Mumbai-Based Stockist of Return Bend Fitting, Buy U Bend at Lowest Price, Pipe Bend Manufacturer in India

Buttweld LR Elbow, Return & U Bend Specifications :

Long Radius Elbow Dimensions

Long Radius 90 Degree Elbow Dimensions

45 Degree Long Radius Elbow Dimensions

ASME B 16.9 Buttweld 180° Long Radius Elbow Dimensions

Types of Butt weld Long Radius Elbow, Return & U Bend

Approved Manufacturer Makes of Buttweld LR Elbow, Return & U Bend

Butt Weld Long Radius Elbow, Return and U Bend Price List

Application of Long Radius Buttweld Elbow, Return & U Bends

EXPORT DESTINATIONS FOR Long Radius Elbow, Return & U Bend

DOMESTIC SUPPLY FOR LR Elbows, Returns & U Bends

Quick Link

Contacts

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Pipes / Tubes

Forged Fittings

Buttweld Fittings

Flanges