Devang Fittings, located in Kolkata, India, is a well-respected manufacturer and supplier of high-performance pipe accessories. We offer a diverse selection of precision-engineered Collars tailored for industrial piping and structural applications. Our collars are crafted to deliver strong mechanical support, reinforcement, and alignment in pipeline systems, particularly at flanged or welded joints. Built to meet international standards, these components come in carbon steel, stainless steel, and alloy steel grades. Devang Fittings caters to industries such as oil & gas, chemical processing, power generation, and water treatment, ensuring reliable performance and longevity in critical applications.
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
Size: 1/2″ (15 NB) to 48″ (1200NB)
Form: Pipe Collar, Butt weld Collar, Fitting Collar
Collars are produced from materials like carbon steel (ASTM A105), stainless steel (304/316), and alloy steel, depending on the specific operational needs. These materials generally consist of carbon, manganese, chromium, nickel, and molybdenum, which provide outstanding strength, corrosion resistance, and weldability. The mechanical properties can vary by grade, but typically include a tensile strength ranging from 450 to 620 MPa, yield strength between 240 and 450 MPa, and elongation of 20 to 30%. Our collars are engineered to endure high mechanical loads and thermal cycling, bolstering the structural integrity of flanged or pressure-bound joints in challenging environments.
Devang Fittings is a leading supplier of Collar in Kolkata, India. We offer an extensive range of Collar, 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 Collar 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.
Collars play a crucial role in industrial piping systems, offering mechanical reinforcement, weld joint support, and flange alignment. They are frequently utilized in pressure piping, pipeline fabrication, chemical processing, and power plants to ensure secure sealing and connection integrity. In flanged assemblies, collars serve as stabilizers that absorb stress and enhance load distribution, minimizing the risk of fatigue and leakage. Additionally, they find applications in HVAC, marine engineering, pharmaceuticals, and fire protection.
Yes, custom sizes for Collar 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.
Stainless Steel Pipe Collar : 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 Pipe Collar : ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Alloy Steel Pipe Collar : ASTM A234, ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91
Duplex Steel Pipe Collar : ASTM A815, ASME SA815 UNS No S31803, S32205
Super Duplex Pipe Collar : ASTM A815, ASME SA815 UNS No S32750, S32950
Nickel Alloy Pipe Collar : 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 Pipe Collar : ASTM A420 WPL3, A420 WPL6
| Nominal Pipe Size | Outside diameter at bevel | Length(E) | Limitwall thickness |
| 1/2″ | 21.3 | 25 | 4.57 |
| 3/4″ | 26.7 | 25 | 3.81 |
| 1″ | 33.4 | 38 | 4.57 |
| 1 1/4″ | 42.2 | 38 | 4.83 |
| 1 1/2″ | 48.3 | 38 | 5.08 |
| 2″ | 60.3 | 38 | 5.59 |
| 2 1/2″ | 73.0 | 38 | 7.11 |
| 3″ | 88.9 | 51 | 7.62 |
| 3 1/2″ | 101.6 | 64 | 8.13 |
| 4″ | 114.3 | 64 | 8.64 |
| 5″ | 141.3 | 76 | 9.65 |
| 6″ | 168.3 | 89 | 10.92 |
| 8″ | 219.1 | 102 | 12.70 |
| 10″ | 273.0 | 127 | 12.70 |
| 12″ | 323.8 | 152 | 12.70 |
| 14″ | 355.6 | 165 | 12.70 |
| 16″ | 406.4 | 178 | 12.70 |
| 18″ | 457.0 | 203 | 12.70 |
| 20″ | 508.0 | 229 | 12.70 |
| 22″ | 559.0 | 254 | 12.70 |
| 24″ | 610.0 | 267 | 12.70 |
Collars are widely used in industries such as construction, oil and gas, petrochemical, and manufacturing. They are commonly employed to provide secure connections between pipes, flanges, and valves, preventing leaks and ensuring system integrity. Collars are also used to align and stabilize pipes in piping systems, making them essential in high-pressure and high-temperature applications. Their strength and durability make them ideal for heavy-duty operations. Additionally, collars are used in mechanical assemblies, structural support, and machinery, providing reliable fastening solutions for a wide range of industrial applications.
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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