ASME B16.9 Buttweld Pipe Fittings Supplier – Elbow, Tee, Reducer, Stub End, and Cap Available in Stainless Steel, Carbon Steel, and Alloy Steel Grades.
Bhavani Industries is a trusted manufacturer and supplier of high-quality ASME B16.9 Buttweld Pipe Fittings, serving customers across African countries, the USA, and the Middle East. We provide a complete range of buttweld fittings including 90° & 45° Elbows, Tees, Reducers (Concentric & Eccentric), Stub Ends, Crosses, and End Caps, available in sizes from ½” to 48” (DN15 to DN1200) and wall thicknesses from SCH 5 to SCH 160 / XXS. All fittings are produced in accordance with global standards such as ASME B16.9, ASTM A403, MSS-SP-43, and EN 10253, ensuring dimensional accuracy, excellent mechanical strength, and superior corrosion resistance for use in demanding applications.
We manufacture buttweld fittings using premium materials including Stainless Steel (SS 304, 304L, 316, 316L, 321, 347), Carbon Steel (ASTM A234 WPB, WPC), and Alloy Steel (ASTM A234 WP5, WP11, WP22, WP91). Our production facilities feature advanced CNC machining, hydraulic pressing, induction heating, and beveling machines, enabling us to deliver precision-engineered fittings for high-pressure and high-temperature service conditions. Our quality assurance processes include 100% PMI, ultrasonic testing (UT), radiography (RT), hydro testing, and third-party inspections as per customer requirements.
As a leading exporter, Bhavani Industries supports critical sectors including oil & gas, power generation, petrochemicals, refineries, and offshore projects. With a strong distribution network across Nigeria, Kenya, South Africa, UAE, Saudi Arabia, Qatar, Oman, and the USA, we ensure prompt delivery and customized solutions tailored to each project’s needs. Our unwavering focus on quality, innovation, and customer satisfaction has established us as a reliable partner in the global pipe fittings industry.
High-precision Buttweld Fittings in sizes ½” to 48”, available in SCH 10, 40, 80, 160, and XXS – manufactured to ASME, MSS-SP, and DIN norms for seamless integration in piping systems.
Technical Index
Industrial Buttweld Fittings Standard Specifications
| Buttweld Fittings Size Availability | 1/2″～24″ NB. (Seamless & 100% X-Ray Welded, Fabricated) |
|---|---|
| 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 Buttweld Piipe Fittings |
| 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 Pipe Fittings 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 Fittings Material Grades and Standards
| Stainless Steel Buttweld Fittings | ASTM A403 WP304/304L, WP316/316L, ASTM A774(Welded):DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
|---|---|
| Duplex Steel Buttweld Fittings | ASTM A 815 / ASME SA 815 UNS S31803, S32205. Werkstoff No. 1.4462 |
| Super Duplex Steel Buttweld Fittings | ASTM A 815 / ASME SA 815 UNS S32750, S32950. Werkstoff No. 1.4410 |
| Carbon Steel Buttweld Fittings | ASTM A234 / ASME SA234 WPB , WPBW, ASTM A860 WPHY 42, 46, 52, 60, 65, 70. |
| Alloy Steel Buttweld Fittings | ASTM A234 / ASME SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| High Nickel Alloy Buttweld Fittings | 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 Buttweld Fittings | 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 Seamless Fittings Industries & Applications
ASME B16.9 Buttweld Welded Fittings Dimensions
| NOMINAL PIPE SIZE | ALL FITTINGS | ALL FITTINGS | ALL FITTINGS | ELBOWS AND TEES | 180 DEG RETURN BENDS | 180 DEG RETURN BENDS | 180 DEG RETURN BENDS | REDUCERS | CAPS |
|---|---|---|---|---|---|---|---|---|---|
| NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) |
Wall Thickness (3) | Centre-to-End Dimension A,B,C,M | Centre-to-Centre O | Back-to-Face K | Alignment of Ends U | Overall Length H | Overall Length E |
| ½ to 2½ | 0.06 -0.03 |
0.03 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 3 to 3 ½ | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 4 | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 5 to 8 | 0.09 -0.06 |
0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
| 10 to 18 | 0.16 -0.12 |
0.12 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 20 to 24 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 26 to 30 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.12 | … | … | … | 0.19 | 0.38 |
| 32 to 48 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.19 | … | … | … | 0.19 | 0.38 |
ASME B16.9 Buttweld Fittings Tolerance
| Nominal Pipe Size | Diameter Nominal | Outer Dia. | Inner Dia. | Off Angle, Q | Off Plane, P |
|---|---|---|---|---|---|
| 1/2~2-1/2 | 15~65 | +1.6, -0.8 | ±0.8 | ±1 | ±2 |
| 3~3-1/2 | 80~90 | ±1.6 | ±1.6 | ±2 | ±4 |
| 4 | 100 | ±1.6 | ±1.6 | ±3 | ±5 |
| 5~8 | 125~200 | +2.4, -1.6 | ±1.6 | ±3 | ±6 |
| 10~18 | 250~450 | +4.0, -3.2 | ±3.2 | ±4 | ±10 |
| 20~24 | 500~600 | +6.4, -4.8 | ±4.8 | ±5 | ±10 |
| 26~30 | 650~750 | +6.4, -4.8 | ±4.8 | ±5 | ±13 |
| 32~48 | 800~1200 | +6.4, -4.8 | ±4.8 | ±5 | ±19 |
Major Industrial Buttweld Pipe Fittings 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.