Stainless Steel 347H Pipe Fittings Manufacturer and Supplier in Chennai, India
Chennai, India, stands out as a key player in providing top-notch **Stainless Steel 347H Pipe Fittings**, specifically designed for industries that demand exceptional resistance to high temperatures and intergranular corrosion. This particular alloy, Stainless Steel 347H, is a stabilized austenitic stainless steel enriched with columbium (niobium) and a bit more carbon, which boosts its strength when the heat is on. Manufacturers in Chennai produce a diverse array of fittings, including elbows, tees, reducers, caps, and stub ends, all crafted to meet ASTM A403 and ASME B16.9 standards. These fittings find their way into various applications, such as power plants, petrochemical facilities, and thermal processing equipment.
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Stainless Steel 347H Pipe Fittings Specification
| Specifications | ASTM A403 / ASME SA403 |
| Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| 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 |
When it comes to composition, **Stainless Steel 347H Pipe Fittings** typically contain 17–20% chromium, 9–13% nickel, and that all-important columbium (niobium) for stabilization, along with a carbon content of up to 0.10% to enhance strength at high temperatures. They boast a tensile strength of about 515 MPa and a yield strength of around 205 MPa, along with impressive resistance to oxidation and intergranular corrosion. The niobium helps prevent carbide precipitation during welding or when exposed to high temperatures for extended periods. With solid creep strength and good weldability, Stainless Steel 347H is perfect for thermal cycles and pressure systems, ensuring durability and reliable performance even in tough conditions.
Stainless Steel 347H Pipe Fittings Chemical Composition
| Grade | C | Ni | Mn | P | S | Cr | Si | Mo | N |
| 347H | 0.08 max | 9.00-13.00 | 2.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 1.0 max | – | – |
Stainless Steel 347H Pipe Fittings Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454°C (2650°F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 347H Pipe Fittings Supplier in Chennai, India
Meet Fittings one of the largest suppliers of Stainless Steel 347H Pipe Fittings in Chennai, India. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 347H is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 347H Pipe Fittings in the India.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
If You Are Looking To Buy High Quality
Why Choose Stainless Steel 347H Pipe Fittings From Meet Fittings?
Stainless Steel 347H Pipe 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.
Stainless Steel 347H Pipe Fittings Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| 347H | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
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Stainless steel 347H pipe fittings offer many advantages, including exceptional resistance to temperature rise and oxidation, making them suitable for use in heat exchangers and boilers The addition of niobium provides excellent resistance to intergranular corrosion , ensuring durability in environments with frequent temperature changes. These fittings exhibit good mechanical strength, high tensile and yield characteristics, excellent weldability, making them versatile in demanding industrial conditions Besides, their high creep strength and resistance to chemical applications makes them ideal for the petrochemical, power generation and aerospace industries.
Types of Stainless Steel 347H Pipe Fittings
Are Custom Sizes Available for Stainless Steel 347H Pipe Fittings?
Yes, custom sizes are available for Stainless Steel 347H Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@meetfitings.co.in.
Stainless Steel 347H Elbow Size
| Minimal Sizes | Outer Diam. | Caps | Straight Tee | Straight Crosses | Stub Ends | |||
|---|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | Length (in) | Center to End (in) | Center to End (in) | Lap Diameter (in) | Long Length (in) | Short Length (in) |
| 1/2 | 21.3 | 0.840 | 1 | 1 | – | 1 3/8 | 3 | 2 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | 4 | 2 |
| 3/4 | 26.7 | 1.050 | 1 | 1 1/8 | – | 1 11/16 | 3 | 2 |
| 1 1/4 | 42.2 | 1.660 | 1 1/2 | 1 7/8 | 1 7/8 | 2 1/2 | 4 | 2 |
| 2 | 60.3 | 2.375 | 1 1/2 | 2 1/2 | 2 1/2 | 3 5/8 | 6 | 2 1/2 |
| 1 1/2 | 48.3 | 1.900 | 1 1/2 | 2 1/4 | 2 1/4 | 2 7/8 | 4 | 2 |
| 2 1/2 | 73.0 | 2.875 | 1 1/2 | 3 | 3 | 4 1/8 | 6 | 2 1/2 |
| 3 1/2 | 101.6 | 4.000 | 2 1/2 | 3 3/4 | 3 3/4 | 5 1/2 | 6 | 3 |
| 3 | 88.9 | 3.500 | 2 | 3 3/8 | 3 3/8 | 5 | 6 | 2 1/2 |
| 4 | 114.3 | 4.500 | 2 1/2 | 4 1/8 | 4 1/8 | 6 3/16 | 6 | 3 |
| 6 | 168.3 | 6.625 | 3 1/2 | 5 5/8 | 5 5/8 | 8 1/2 | 8 | 3 1/2 |
| 5 | 141.3 | 5.563 | 3 | 4 7/8 | 4 7/8 | 7 5/16 | 8 | 3 |
| 8 | 219.1 | 8.625 | 4 | 7 | 7 | 10 5/8 | 8 | 4 |
| 12 | 323.9 | 12.750 | 6 | 10 | 10 | 15 | 10 | 6 |
| 10 | 273.1 | 10.750 | 5 | 8 1/2 | 8 1/2 | 12 3/4 | 10 | 5 |
Stainless Steel 347H Dimensions
| Nominal Pipe Size | 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 |
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Appllication Industry of Stainless Steel 347H Pipe Fittings
These **Stainless Steel 347H Pipe Fittings** are widely utilized in sectors where both corrosion resistance and high-temperature strength are crucial. In the power generation industry, you’ll find them in boilers, superheaters, and heat exchangers. The petrochemical and oil & gas sectors depend on these fittings for high-pressure piping systems, reactors, and furnace components. SS 347H also plays a role in aerospace, chemical processing, and thermal plants, especially in environments where temperature changes are frequent. Thanks to their stability post-welding and outstanding mechanical properties at elevated temperatures, these fittings are the go-to choice for systems that need to maintain their integrity under thermal stress.
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