Meet Fittings, Chennai, India-based company is a well-established and trusted manufacturer and supplier of *Stainless Steel Buttweld Fittings*, with precision-engineered piping components for a broad array of industries. The fittings are manufactured using high-quality stainless steel grades such as 304, 304L, 316, 316L, 310, 321, and others, each chosen according to specific service conditions. Meet Fittings offers the full product range of buttweld fittings including elbows, tees, reducers, crosses, and end caps. Distinguished for their dimensional accuracy, corrosion resistance, and longevity, these fittings find extensive applications in industries such as petrochemical, pharmaceutical, food processing, water treatment, and power generation in India and all over the world.
| Grade | SS 304 | Stainless Steel 304 | UNS S30400 |
| Standard | ASTM A403 / ASME SA403 |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Size | 1/2″ NB – 48″ NB |
| Form | 90 Elbow, 45 Elbow, Long Radius Elbow, Short Radius Elbow, Concentric Reducer, Eccentric Reducer, Equal Tee, Unequal Tee, Lateral Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short Stub End, Long stub end, End Cap, Dish Cap |
| Schedule | SCH 5 To SCH XXS |
| Type | Seamless / Welded / Fabricated |
Stainless steel buttweld fittings are made of alloys such as SS 304, 316, or 410, which contain iron, chromium (10.5-30%), nickel, and molybdenum for corrosion resistance they exhibit good strength, with tensile strengths ranging from 515-750 MPa,, . ; These fittings range from 205-450 MPa depending on grade and yield strength Offering high ductility (width: 40%), hardness (Brinnell: 200 max), and toughness, ideal for high pressure and high temperature applications their design ensures for hardness, oxidation resistance and weldability to meet the requirements of piping systems in industrial and commercial applications.
| Grade | C | Mn | Si | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | 8 – 11 | – |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | 8 – 13 | – |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | 8 – 10.5 | – |
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 304 | 75 | 30 | 40 | 201 | 92 |
| 304L | 70 | 25 | 40 | 201 | 92 |
| 304H | 75 | 30 | 40 | 201 | 92 |
Stainless Steel Buttweld Fittings consist principally of iron, chromium (16–20%), nickel (8–14%), and other alloying elements such as molybdenum, titanium, or nitrogen based on the grade. These elements add to excellent corrosion resistance, high tensile strength (up to 600 MPa for certain grades), and good ductility and formability. Stainless steel fittings also retain their structural stability in high and low temperatures. Fittings can also be modified to accommodate various wall thicknesses (Sch 10 to Sch XXS) as well as requirements that are application-based.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
|---|---|---|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
| SS 304H | S30409 | 1.4301 | – | – | – | – | – |
Stainless Steel Buttweld Fittings from Meet Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
The stainless steel buttweld fitting provides excellent corrosion resistance, and durability in harsh environments. They provide a seamless, smooth surface, reducing turbulence and pressure loss in pipes. These materials are ideal for high-pressure and thermal systems and maintain structural integrity by eliminating frequent joint movements. They are easy to install, cost effective and require little maintenance. Because of their high tensile strength, they resist deformation and withstand mechanical stresses. Available in a variety of sizes and configurations, they are suitable for a variety of industries, including chemical, oil and gas. Their aesthetic finish also makes them suitable for architectural use.
| Nominal PipeSize | Outside Diameter | 90° Elbows | 45° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
| (inches) | – | Long Radius | Short Radius | Long Radius | Long Radius | |||
| (mm) | (inches) | Center to Face (inches) | Center to Face (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to face (inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | 7/16 | 2 1/4 | 1 11/16 | ||
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Yes, custom sizes for Stainless Steel Buttweld Fittings are available at Meet Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@meetfitings.co.in.
Stainless Steel Buttweld Fittings find extensive applications in piping systems carrying fluids or gases under pressure or corrosive environments. Typical uses include chemical processing facilities, oil & gas refineries, marine applications, heat exchangers, power generation plants, and sanitary systems in food & beverage or pharmaceutical processes. Their welded, seamless, or forged design guarantees leak-proof and strong connections suitable for both critical and non-critical applications. They are highly appreciated for long-lasting service, little maintenance requirement, and the ability to work with a wide temperature range and chemical environments, making them a critical part of industrial infrastructure.








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