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Top supplier of 180 Degree Elbows (Buttweld LR/SR) – Buy direct from manufacturer. Available in SS, CS, Duplex, Super Duplex & Inconel. Seamless/welded, ASME B16.9 certified. Request a quote now!
Bhavani Industries is a trusted manufacturer and supplier of high-quality ASME B16.9 Buttweld 180° Elbows, serving customers across African countries, the USA, and the Middle East. Our 180-degree elbows are designed to reverse the flow direction in pipeline systems and are manufactured in sizes ranging from ½” to 48” (DN15 to DN1200), with wall thicknesses from SCH 5 to SCH 160 / XXS. These elbows are produced in strict compliance with international standards such as ASME B16.9, ASTM A403, MSS-SP-43, and EN 10253, ensuring excellent dimensional precision, mechanical strength, and corrosion resistance for critical piping applications.
We manufacture 180° elbows using premium-grade materials including Stainless Steel (SS 304, 304L, 316, 316L, 321, 347, 904L), Carbon Steel (ASTM A234 WPB, WPC, WPHY 42–70), and Alloy Steel (ASTM A234 WP5, WP11, WP22, WP91), along with Nickel Alloys such as Inconel 600/625/825, Monel 400, and Hastelloy C276. Our production facilities are equipped with advanced CNC machines, hydraulic presses, induction heating units, and beveling systems, enabling us to deliver precision-engineered elbows for high-pressure and high-temperature applications. We adhere to stringent quality control procedures including 100% Positive Material Identification (PMI), Ultrasonic Testing (UT), Radiography (RT), Hydro Testing, and Third-Party Inspections based on client specifications.
As a leading exporter, Bhavani Industries supports a wide range of sectors such as oil & gas, petrochemical, power generation, refineries, offshore installations, and chemical processing plants. With a robust supply network across Nigeria, Kenya, South Africa, UAE, Saudi Arabia, Qatar, Oman, and the USA, we ensure fast delivery and customized solutions tailored to each project’s unique requirements. Our commitment to engineering excellence, quality assurance, and customer satisfaction has earned us a reputation as a reliable global partner in the buttweld fittings industry.
Premium-quality 180 Degree Return Elbows (LR/SR) – Seamless and welded options in SCH 10 to XXS. Sizes 1/2" to 48", compliant with ASME B16.9, MSS SP 75 & DIN for industrial piping systems.

Technical Index
Industrial Buttweld 180 Degree Elbow Standard Specifications
180 Degree Elbow Size Availability | 1/2″~24″ NB. (Seamless & 100% X-Ray Welded, Fabricated) |
---|---|
Form | 180° Short Radius Elbow, 180° Long Radius Elbow, SR Return |
Wall Thickness | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. |
Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
DIN | DIN2605, 2615, 2616, 2617 |
BS | BS1640(where applicable) |
Types | Seamless & Welded |
Coating / Surface Treatment | Black Paint, Anti-rust Paint, Galvanized (Hot and Cold Dip), Transparent Oil |
Ends | Beveled (BW) Ends as per ASME B16.25 |
Tolerance | As per ASME B16.9 |
Testing | PMI, Hydro Test, UT, RT, Visual & Dimensional Inspection |
Certification | EN 10204 3.1 / 3.2, ISO 9001:2015 |
Material Sourcing Regions | India, USA, Japan, West Europe, South Korea |
Global Export Markets | UAE, Jordan, Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, USA, Singapore, Malaysia, Azerbaijan, Armenia, Georgia, Egypt, Nigeria, South Africa, Kenya, Morocco, Ethiopia, Ghana, Tanzania, Sudan, Uganda, Angola |
Industrial Buttweld 180 Degree Long Radius Elbow Standards
ANSI/ASME B16.9 – Factory-Made Wrought Steel Buttwelding Fittings | ANSI/ASME B16.28 – Wrought Steel Short Radius Elbows and Returns | ANSI/ASME B16.25 – Buttwelding Ends(beval standards) | MSS SP-43 – Wrought and fabricated Butt welding Fittings for Light Wall Applications |
MSS SP-75 – High Test Wrought Butt welding Fittings | DIN 2616 – Butt welding Pipe Fittings: Reducers | DIN 2617 – Butt welding Pipe Fittings: Caps | DIN28011 – Dished Ends(used in pressure vessels) |
EN10253-1 Butt-welding Pipe Fittings(Non Alloy Steels) | EN10253-2 Butt-welding Pipe Fittings(Stainless/Alloy Steels) |
Buttweld 180 Degree Elbow Material Grades and Standards
Stainless Steel 180 Degree Elbow(LR / SR Elbow) | ASTM A403 WP304/304L, WP316/316L, ASTM A774(Welded):DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
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Duplex Steel 180 Degree Elbow(LR / SR Elbow) | ASTM A 815 / ASME SA 815 UNS S31803, S32205. Werkstoff No. 1.4462 |
Super Duplex Steel 180 Degree Elbow(LR / SR Elbow) | ASTM A 815 / ASME SA 815 UNS S32750, S32950. Werkstoff No. 1.4410 |
Carbon Steel 180 Degree Elbow(LR / SR Elbow) | ASTM A234 / ASME SA234 WPB , WPBW, ASTM A860 WPHY 42, 46, 52, 60, 65, 70. |
Alloy Steel 180 Degree Elbow(LR / SR Elbow) | ASTM A234 / ASME SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
High Nickel Alloy 180 Degree Elbow(LR / SR Elbow) | ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
Other Specialty 180 Degree Elbow(LR / SR Elbow) | Materials: Tin Bronze, Aluminum Bronze, Lead Bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN |
ASME B16.9 Buttweld Fittings Types
Butt weld 180 Degree SR Return Industries & Applications
Buttweld 180 Degree Short Radius Elbow Dimensional Tolerance
NPS | O.D. D |
180° Short radius | 180° Short Radius | ||
Center to Center O |
Back to Face K |
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 | 51 | 41 |
1¼ | 42.2 | 95 | 70 | 64 | 52 |
1½ | 48.3 | 114 | 83 | 76 | 62 |
2 | 60.3 | 152 | 106 | 102 | 81 |
2½ | 73 | 190 | 132 | 127 | 100 |
3 | 88.9 | 229 | 159 | 152 | 121 |
3½ | 101.6 | 267 | 184 | 178 | 140 |
4 | 114.3 | 305 | 210 | 203 | 159 |
5 | 141.3 | 381 | 262 | 254 | 197 |
6 | 168.3 | 457 | 313 | 305 | 237 |
8 | 219.1 | 610 | 414 | 406 | 313 |
10 | 273 | 762 | 518 | 508 | 391 |
12 | 323.8 | 914 | 619 | 610 | 467 |
14 | 355.6 | 1067 | 711 | 711 | 533 |
16 | 406.4 | 1219 | 813 | 813 | 610 |
18 | 457 | 1372 | 914 | 914 | 686 |
20 | 508 | 1524 | 1016 | 1016 | 762 |
22 | 559 | 1676 | 1118 | 1118 | 838 |
24 | 610 | 1829 | 1219 | 1219 | 914 |
ASME B16.9 180° Long Radius Elbow Dimensional Tolerance
NPS | O.D. D | 180° Long Radius | |
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 |
ASME B16.9 Buttweld 180 Degree Elbow Weight Chart
NPS inches |
ELBOWS SR 180° | |||
---|---|---|---|---|
Sch. 5S |
Sch. 10S |
Sch. 40S |
Sch. 80S |
|
1/2 | 0.05 | 0.06 | 0.08 | 0.10 |
3/4 | 0.06 | 0.07 | 0.09 | 0.11 |
1 | 0.09 | 0.15 | 0.18 | 0.20 |
1 1/4 | 0.13 | 0.20 | 0.25 | 0.35 |
1 1/2 | 0.18 | 0.30 | 0.40 | 0.50 |
2 | 0.30 | 0.50 | 0.70 | 0.90 |
2 1/2 | 0.60 | 0.85 | 1.35 | 1.80 |
3 | 0.90 | 1.30 | 2.00 | 2.90 |
4 | 1.40 | 2.00 | 4.00 | 5.90 |
5 | 2.90 | 3.60 | 6.50 | 9.70 |
6 | 4.00 | 5.00 | 10.5 | 16.0 |
8 | 7.40 | 10.0 | 21.5 | 33.5 |
10 | 13.6 | 16.8 | 38.5 | 52.5 |
12 | 23.4 | 27.0 | 59.0 | 79.0 |
14 | 29.0 | 35.0 | 70.0 | 94.0 |
16 | 41.3 | 47.0 | 95.0 | 125 |
18 | 51.8 | 59.0 | 120 | 158 |
20 | 73.0 | 85.0 | 146 | 194 |
24 | 122 | 140 | 210 | 282 |
Major Industrial Buttweld 180 Degree Elbow Export Countries
United Arab Emirates (UAE), Jordan, Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United States of America (USA), Singapore, Malaysia, Azerbaijan, Armenia, Georgia, Egypt, Algeria, Nigeria, South Africa, Kenya, Morocco, Ethiopia, Ghana, Tanzania, Sudan, Uganda, Angola.