Devang Fittings, a prominent manufacturer and exporter from Kolkata, India, provides high-quality 90° Long Radius Elbows for seamless directional shifts in sophisticated piping systems. These elbows have been engineered for superior efficiency by reducing turbulence and pressure loss to ensure the best flow. Being produced from heavy-duty materials such as stainless steel, carbon steel, and high-performance alloys, these are best suited for application in oil & gas, chemical processing, power plants, and water treatment facilities. With a focus on accuracy, strength, and performance, Devang Fittings provides dependable, long-lasting elbow fittings according to specific requirements for meeting the conditions of critical, high-pressure, and high-temperature industrial processes.
Standard – ANSI/ASME :ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.
DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
EN : EN10253-1, EN10253-2
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Fabricated
Seamless 90° Long Radius Elbow Size: 1/2″~24″
ERW / Welded / Fabricated 90° Long Radius Elbow Size: 1/2″ (15 NB) to 48″ (1200NB)
Form: 90° Long Radius Elbow
90° Long Radius Elbows are produced from materials like stainless steel, carbon steel, Duplex, and Super Duplex alloys, chosen according to the requirement of service. These materials have tensile strength of 500–900 MPa, yield strength of 250–700 MPa, and elongation of 20–30%, which makes them ideal for high-pressure and high-temperature applications. The long radius design ensures smoother flow with less turbulence and lower pressure loss. These elbows are also highly resistant to corrosion, providing long-term consistency in extreme industrial conditions, including chemical exposure, high thermal stress, and hostile flow conditions.
Stainless Steel 90° Long Radius Elbow : ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Carbon Steel 90° Long Radius Elbow : ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Alloy Steel 90° Long Radius Elbow : ASTM A234, ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91
Duplex Steel 90° Long Radius Elbow : ASTM A815, ASME SA815 UNS No S31803, S32205
Super Duplex 90° Long Radius Elbow : ASTM A815, ASME SA815 UNS No S32750, S32950
Nickel Alloy 90° Long Radius 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.
Low Temperature Carbon Steel 90° Long Radius Elbow : ASTM A420 WPL3, A420 WPL6
Devang Fittings is a leading supplier of 90 Deg Long Redius Elbow in Kolkata, India. We offer an extensive range of 90 Deg Long Redius Elbow, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose 90 Deg Long Redius Elbow from Devang Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
90° Long Radius Elbows offer several advantages, including smooth directional changes in piping systems that minimize turbulence and reduce pressure loss. The long radius design ensures a more gradual bend, which helps maintain flow efficiency and reduces the likelihood of erosion or wear on the pipe. Made from durable materials like stainless steel and alloys, these elbows provide excellent resistance to corrosion and high-pressure environments. They are ideal for industries such as oil and gas, chemical processing, and water treatment, ensuring long-term reliability, durability, and enhanced system performance.
Yes, custom sizes for 90 Deg Long Redius Elbow are available at Devang Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@devangfittings.co.in.
| LONG RADIUS ELBOWS (R = 1,5 ND) ANSI B 16.9 dimensions | ||||||
| inches | ND | mm | Center to center | Radius | Center to end | Back to face |
| D | O | A | B | K | ||
| 1/2 | 15 | 21,34 | 76,20 | 38,10 | 15,87 | 47,62 |
| 3/4 | 20 | 26,67 | 57,15 | 28,57 | 11,11 | 42,86 |
| 1 | 25 | 33,40 | 76,20 | 38,10 | 22,22 | 55,56 |
| 1 1/4 | 32 | 42,16 | 95,25 | 47,60 | 25,40 | 69,85 |
| 1 1/2 | 40 | 48,26 | 114,30 | 57,15 | 28,57 | 82,55 |
| 2 | 50 | 60,32 | 152,40 | 76,20 | 34,92 | 106,40 |
| 2 1/2 | 65 | 73,02 | 190,50 | 95,25 | 44,45 | 131,80 |
| 3 | 80 | 88,90 | 228,60 | 114,30 | 50,80 | 158,75 |
| 3 1/2 | 90 | 101,60 | 266,70 | 133,35 | 57,15 | 184,15 |
| 4 | 100 | 114,30 | 304,80 | 152,40 | 63,50 | 209,55 |
| 5 | 125 | 141,30 | 381,00 | 190,50 | 79,38 | 261,90 |
| 6 | 150 | 168,27 | 457,20 | 228,60 | 95,25 | 312,70 |
| 8 | 200 | 219,07 | 609,60 | 304,80 | 127,00 | 414,30 |
| 10 | 250 | 273,05 | 762,00 | 381,00 | 158,75 | 517,50 |
| 12 | 300 | 323,85 | 914,40 | 457,20 | 190,50 | 619,10 |
| 14 | 350 | 355,60 | 1066,80 | 533,40 | 222,25 | 711,20 |
| 16 | 400 | 406,40 | 1219,20 | 609,60 | 254,00 | 812,80 |
| 18 | 450 | 457,20 | 1371,60 | 685,80 | 285,74 | 914,40 |
| 20 | 500 | 508,00 | 1524,00 | 762,00 | 317,50 | 1016,00 |
| 22 | 550 | 558,80 | 1676,40 | 838,20 | 342,90 | 1117,60 |
| 24 | 600 | 609,60 | 1828,80 | 914,40 | 381,00 | 1219,20 |
| 28 | 700 | 711,20 | 2133,60 | 1066,80 | 441,90 | 1422,40 |
| Dimensions in mm. | ||||||
90° Long Radius Elbows find broad application in a variety of industries to allow smooth direction changes in piping systems. In the petroleum industry, they aid effective flow in transport lines and processing equipment. In chemical plants, they deal with aggressive fluids while minimizing pressure loss. Water treatment and power plants depend on them due to their durability and strength in high-pressure systems. Their configuration contributes to minimizing erosion, vibration, and flow resistance, enhancing system efficiency. They are also employed in HVAC, marine, and pharmaceutical applications where accuracy, corrosion resistance, and mechanical integrity are vital.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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