| 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 |
Manufacturer and Supplier in Chennai, India
Meet Fittings, based in Chennai, India, is a world-class producer and supplier of *Stainless Steel 316H Buttweld Fittings*, which provide long-lasting and high-performance piping solutions for high-temperature and high-pressure applications. The fittings are produced from 316H stainless steel—a high-carbon variant of SS 316—that offers optimum strength and great resistance to corrosion and creep at high temperatures. Meet Fittings offers a full assortment of buttweld fittings such as elbows, tees, reducers, and caps. With accurate engineering, tight quality control, and compliance with international standards, the company caters to major industries like petrochemical, power generation, oil & gas, and heat treatment processing.
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Stainless Steel 316H Buttweld Fittings Specification
Stainless steel 316H Buttweld Fittings are made of an austenitic alloy containing approximately 16-18% chromium, 10-14% nickel, and 2-3% molybdenum, with a carbon content higher than 316, providing high strength at temperatures a high internal Tensile strength of 520-700 MPa in mechanical materials, . 205 MPa yield strength, Includes 40% length. These properties provide excellent corrosion resistance, especially in acid and chloride environments, which can be welded successfully. They are commonly used in high-temperature environments such as chemical refineries and power plants.
Stainless Steel 316H Buttweld Fittings Chemical Composition
| 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 | – | – |
Stainless Steel 316H Buttweld Fittings Mechanical Properties
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Largest Stainless Steel 316H Buttweld Fittings Supplier in Chennai, India
Stainless Steel 316H Buttweld Fittings consist of chromium (16–18%), nickel (10–14%), molybdenum (2–3%), and increased carbon content (0.04–0.10%) as against normal 316 grades. The higher carbon content improves tensile and yield strength, with the material being appropriate for high-temperature service. Such fittings provide superior mechanical properties, such as tensile strength of about 515 MPa and yield strength of 310 MPa, together with superior creep and stress rupture resistance. The addition of molybdenum improves resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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Stainless Steel 316H Buttweld Fittings Equivalent Grade
Why Choose Stainless Steel 316H Buttweld Fittings from Meet Fittings?
Stainless Steel 304L 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.
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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.
Types of Stainless Steel 316H Buttweld Fittings
Stainless Steel 316H Buttweld Fittings Dimensions Chart
| 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 |
Are Custom Sizes Available for Stainless Steel 316H Buttweld Fittings?
Yes, custom sizes for Stainless Steel 304L 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.
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Application Industry of Stainless Steel 316H Buttweld Fittings
Stainless Steel 316H Buttweld Fittings find widespread applications in high-stress and high-temperature industrial conditions. They are best suited for use in heat exchangers, superheaters, chemical process equipment, boilers, power plants, and offshore drilling platforms. The large amount of carbon content in these fittings renders them specifically appropriate for pressure vessel and structural component applications where heat is continuously imposed. Their superior mechanical strength and corrosion resistance guarantee durability and long life in severe service conditions, making them an ideal selection for critical piping systems requiring strength, safety, and reliability under thermal stress.
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