Yash Fittings, a well-known Mumbai, India-based manufacturer and exporter of high-quality pipe fittings that are known for their precision, strength, and performance, has in its vast product line Stainless Steel 316H Buttweld Fittings produced from Grade 316H—a higher carbon content austenitic stainless steel. It possesses superior high-temperature strength and corrosion resistance. These buttweld fittings are constructed for mission-critical industrial applications where both structural integrity and thermal stability become key issues, thereby placing them within petrochemical, refinery, and power plant industries.
| 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 have superior chemical, mechanical, and physical properties. Chemically, they have 16–18% chromium, 10–14% nickel, 2–3% molybdenum, and higher carbon (0.04–0.10%), which improves the strength at high temperatures. Mechanically, 316H has high tensile strength (up to 585 MPa), superior resistance to creep, and good elongation. Physically, the fittings are stable in high-temperature conditions, resist scaling, and are non-magnetic in the annealed state. These characteristics render 316H fittings suitable for utilization in challenging and thermally stressed operations.
| 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 | – | – |
Yash Fittings is a leading supplier of Stainless Steel 304L Buttweld Fittings in Mumbai, India. 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 Yash 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 Yash Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@yashfittings.com
Stainless Steel 316H Buttweld Fittings are generally employed in industries that function in high-pressure and high-temperature conditions. They find particular use in applications related to heat exchangers, boilers, superheaters, and pressure vessels in the power plant and refinery industries. Their high resistance to oxidation and strength preservation at high temperatures enable them to be used in chemical processing, the oil and gas industry, and marine environments. These connections are also used in industrial furnaces and thermal processing equipment, where corrosion resistance and toughness are essential. Their rugged build guarantees long-term function in tough operating conditions.
Stainless steel 316H Buttweld Fittings Widely used in hot and corrosion environments due to excellent resistance to heat, oxidation and corrosion Typical applications include chemical processing, petrochemical industry, power plant, food and the beverage industry, and the marine environment. They are ideal for use in pipes, pressure vessels and heat exchangers. Their high carbon content provides high efficiency at elevated temperatures, making them suitable for applications requiring constantly high temperatures such as furnace components, industrial boilers and gas turbines.
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