Teerasil Fittings and Plates, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about delivering high-quality Stainless Steel 316H Buttweld Fittings designed for tough industrial tasks. SS 316H is a high-carbon version of 316 stainless steel, known for its impressive strength at high temperatures and outstanding resistance to corrosion. Our buttweld fittings are crafted to meet international standards, guaranteeing precision, durability, and leak-proof connections in essential piping systems. Commonly found in industries like chemical processing, oil & gas, power generation, and refineries, Teerasil’s SS 316H Buttweld Fittings ensure reliable performance even under high pressure, thermal stress, and harsh environments, making them perfect for long-term operational efficiency.
| Specifications | ASTM A403 / ASME SA403 |
| Size | Seamless Butt Weld Fittings: 1/2″ – 24″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Standards | ASME/ANSI B16.9, ASME 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 |
| Type | Seamless / Welded / Fabricated |
Stainless Steel 316H Buttweld Fittings are made up of 16–18% chromium, 10–14% nickel, 2–3% molybdenum, and a higher carbon content (0.04–0.10%) compared to 316/316L. This unique blend boosts their tensile and creep strength at elevated temperatures. On the mechanical side, they offer a tensile strength of about 515 MPa, yield strength around 205 MPa, and impressive elongation. SS 316H stands out with its excellent resistance to pitting, oxidation, and high-temperature scaling while still being tough. Its high-carbon content makes it ideal for high-temperature applications where durability, strength, and corrosion resistance are essential for industrial piping needs.
| Grade | 316/316H/316L | |
|---|---|---|
| min | max | |
| C | – | 0.035 |
| Mn | – | 2.0 |
| Si | – | 0.75 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 16.0 | 18.0 |
| Mo | 2.0 | 3.0 |
| Ni | 10.0 | 14.0 |
| N | – | – |
Teerasil Fittings is a leading supplier of Stainless Steel 304L Buttweld Fittings in Bangkok, Thailand. We offer an extensive range of Stainless Steel 304L Buttweld Fittings, 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.
Stainless Steel 304L Buttweld Fittings from Teerasil 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.
Stainless steel 316H Buttweld Fittings provide exceptional corrosion resistance, especially in high-temperature environments, making them ideal for chemical, petrochemical, and marine applications With high strength and durability these fittings maintain structural integrity in high-pressure and high-pressure conditions. The advanced carbon content of the 316H grade increases its strength at elevated temperatures, making it suitable for heat exchanger and boiler systems. These materials also exhibit excellent weldability and resist pitting, crevice corrosion, and chloride stress corrosion, providing durability and reliable performance in harsh environments.
| Nominal Pipe Size (inches) | Outside Diameter | 45°Elbows | 90° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
| Long Radius | Long Radius | Short Radius | Long Radius | |||||
| (mm) | (inches) | Center to Face (inches) | Radius (inches) | Center to Face (inches) | Center to Face (inches) | Center to Center (inches) | Back to face (inches) | |
| 1 | 33.4 | 1.315 | 7/8 | 1 1/2 | 1 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 | 1 7/8 | 1 1/4 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 1 1/8 | 3 | 2 1/4 | 1 1/2 | 4 1/2 | 3 1/4 |
| 1/2 | 21.3 | 0.840 | 5/8 | 1 1/2 | – | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 7/16 | 1 1/8 | – | 2 1/4 | 1 11/16 | |
| 2 | 60.3 | 2.375 | 1 3/8 | 4 | 3 | 2 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 1 3/4 | 5 | 3 3/4 | 2 1/2 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 2 | 6 | 4 1/2 | 3 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 2 1/4 | 7 | 5 1/4 | 3 1/2 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 2 1/2 | 8 | 6 | 4 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 3 1/8 | 10 | 7 1/2 | 5 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 3 3/4 | 12 | 9 | 6 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 5 | 12 | 12 | 8 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 6 1/4 | 15 | 15 | 10 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 7 1/2 | 18 | 18 | 12 | 36 | 24 3/8 |
Yes, custom sizes for Stainless Steel 304L Buttweld Fittings are available at Teerasil Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@teerasilfittings.com.
Stainless Steel 316H Buttweld Fittings are a go-to choice in industries that need both high-temperature strength and resistance to corrosion. You’ll often find them in chemical processing plants, refineries, and petrochemical sectors, where they play a crucial role in transporting corrosive fluids under tough conditions. Power generation facilities depend on these fittings for superheater tubes, boiler piping, and steam lines that operate under intense pressure and heat. They’re also essential in heat exchangers, condensers, and high-temperature industrial furnaces. Thanks to their ability to handle thermal cycling, oxidation, and stress corrosion cracking, SS 316H Buttweld Fittings deliver dependable performance and durability in demanding piping systems.
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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