Stainless Steel 347 / 347H Pipes Fittings Manufacturer in Mumbai, India
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Largest Stainless Steel 347 / 347H Pipes Fittings Manufacturer & Supplier in Mumbai, India
Jai Hind Metal is a reliable manufacturer and supplier of Stainless Steel 347 / 347H Pipe Fittings, providing corrosion-resistant stainless steel components for industrial piping systems that require dependable performance, mechanical strength, and stability at elevated temperatures. Stainless Steel 347 and 347H are niobium-stabilized austenitic stainless steel grades valued for their resistance to intergranular corrosion following exposure to elevated temperatures. While Grade 347 offers good corrosion resistance and weldability, Grade 347H contains a higher controlled carbon content to support improved high-temperature strength and creep resistance in suitable service conditions. We understand that different projects demand specific fitting configurations, nominal pipe sizes, schedules, wall thicknesses, end preparations, surface finishes, dimensional tolerances, and applicable manufacturing standards. Our Stainless Steel 347 / 347H Pipe Fittings are supplied according to customer drawings and technical specifications, with careful attention to material quality, dimensional accuracy, fitting geometry, surface condition, and overall workmanship. Depending on project requirements, available products may include elbows, tees, reducers, caps, and other pipe fittings in suitable dimensions and configurations. Before dispatch, relevant quality checks are performed to assess dimensional conformity, wall thickness, end preparation, surface appearance, and product identification. Material test certificates, additional inspection arrangements, and third-party verification can also be coordinated when required for project-specific quality assurance. With organized inventory management and appropriate storage practices, Jai Hind Metal aims to support regular procurement, industrial maintenance, fabrication work, and larger project-based orders with a dependable supply service.
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Precisely manufactured metal products meeting demanding industrial standards.
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Consistent quality, reliable performance, and strict inspection at every stage.
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Available in customized sizes, grades, thicknesses, and specifications.
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Stainless Steel 347 / 347H Pipe Fittings are produced from niobium-stabilized austenitic stainless steel grades known for their corrosion resistance, reliable mechanical properties, and suitability for elevated-temperature service. The addition of niobium helps reduce the risk of chromium carbide precipitation during exposure to high temperatures, supporting resistance to intergranular corrosion after welding or heating. Grade 347H features a higher carbon content than Grade 347, helping it deliver improved creep strength and performance in appropriate high-temperature applications. These pipe fittings are available in various forms, including elbows, tees, reducers, caps, and other specialized configurations, with sizes, schedules, wall thicknesses, and end connections selected to meet project specifications. Their combination of corrosion resistance, good weldability, structural strength, and dependable high-temperature performance makes Stainless Steel 347 / 347H Pipe Fittings suitable for power generation, chemical processing, petrochemical plants, refinery equipment, heat exchangers, and industrial piping systems where durability and service reliability are important.
Stainless Steel 347 / 347H Round Pipe Fittings, Stainless Steel 347 / 347H Industrial Pipe Fittings, UNS S34700 / S34709 Stainless Steel Fittings, Stainless Steel 347 Pipe Fittings, Stainless Steel 347H High-Temperature Fittings, Stainless Steel 347 Precision-Machined Fittings, Stainless Steel 347 / 347H Custom Pipe Fittings, Stainless Steel 347 / 347H Elbows and Tees, Stainless Steel 347 / 347H Reducers and Caps, Stainless Steel 347 / 347H Corrosion-Resistant Fittings, Stainless Steel 347 / 347H Pipe Fittings Manufacturer in Mumbai, India.
In the solution-annealed condition, Stainless Steel 347 / 347H Pipe Fittings provide a dependable balance of corrosion resistance, toughness, and mechanical strength for industrial piping systems exposed to challenging operating conditions. Their niobium-stabilized composition helps minimize the risk of intergranular corrosion following exposure to elevated temperatures, making these grades useful in applications involving welding and thermal cycling. Stainless Steel 347 is commonly selected for its corrosion resistance and fabrication characteristics, while Grade 347H offers enhanced creep strength for suitable high-temperature service. These fittings are widely used in power-generation equipment, refinery units, petrochemical facilities, chemical-processing plants, heat exchangers, and other industrial installations where material stability and long-term reliability are important. Available configurations include elbows, tees, reducers, caps, and custom-designed fittings manufactured or supplied to meet relevant dimensions, material requirements, and project specifications. With their combination of resistance to intergranular corrosion, good weldability, mechanical durability, and reliable performance at elevated temperatures, Stainless Steel 347 / 347H Pipe Fittings are a practical choice for demanding piping applications when the correct grade and service conditions are carefully considered.
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Composition of Stainless Steel 347 / 347H Pipes Fittings
Stainless Steel 347 / 347H Pipe Fittings are valued for their ability to deliver dependable strength, corrosion resistance, and structural stability in industrial environments exposed to elevated temperatures. Their niobium-stabilized stainless steel composition helps protect against intergranular corrosion that can occur after certain heating or welding processes. Grade 347 provides a useful balance of corrosion resistance, toughness, and fabrication performance, while Grade 347H is designed with a higher carbon content to improve creep strength under suitable high-temperature operating conditions. These fittings are commonly used in power plants, refinery systems, petrochemical installations, chemical-processing facilities, heat exchangers, and other industrial equipment where reliable piping connections are essential. Product options include elbows, tees, reducers, caps, and specially configured fittings selected according to system layouts, pressure requirements, dimensions, and applicable standards. Stainless Steel 347 / 347H Pipe Fittings are especially useful in applications requiring resistance to intergranular corrosion, good weldability, mechanical strength, and reliable performance during elevated-temperature service. Selecting the appropriate grade and heat-treatment condition helps ensure the fittings meet the intended operating and fabrication requirements.
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Stainless Steel 347 / 347H Pipes Fittings Specification List
Specification | Stainless Steel 347 / 347H Pipe Fittings |
|---|---|
Type | Butt Weld (BW), Seamless (SMLS), Welded |
Thickness | SCH 5S, SCH 10S, SCH 20S, SCH 40S, SCH 80S, SCH 10, SCH 20, SCH 30, SCH 40, SCH 60, SCH 100, SCH 120, SCH 140, SCH 160, STD, XS, XXS |
Dimensional Standards | ASME B16.9, ASME B16.28, MSS SP-43, EN 10253, DIN, JIS |
Fittings Standards | ASTM, ASME, ANSI, MSS, DIN, EN, ISO, JIS |
ASME B16.9 Fitting Types | Elbow, Tee, Reducer, Cap, Return Bend, Cross |
Connection Type | Butt Weld, Socket Weld, Threaded, Flanged |
Pressure Rating | Based on fitting design, wall thickness, operating temperature and applicable piping code |
Schedule Range | Schedule 5S to Schedule XXS, subject to size and availability |
Size Range | NPS ½ inch to NPS 48 inches, depending on fitting type and manufacturing standard |
Material Grades | Stainless Steel 347 (UNS S34700), Stainless Steel 347H (UNS S34709) |
Material Standard | ASTM A403 / ASME SA403, grades WP347 and WP347H for wrought pipe fittings |
Manufacturing Process | Hot Formed, Cold Formed, Seamless, Welded |
Surface Finish | Pickled, Annealed, Shot Blasted, Polished |
Testing and Inspection | Chemical Analysis, Mechanical Testing, Dimensional Inspection, Visual Inspection, applicable Non-Destructive Testing |
Applications | Oil and Gas, Refineries, Petrochemical Plants, Chemical Processing, Power Generation, Heat Exchangers |
Key Features | Niobium stabilization, good corrosion resistance, oxidation resistance and suitability for elevated-temperature service |
Customization | Special dimensions, wall thicknesses and project-specific fittings manufactured to approved drawings |
Weight Formula Of Stainless Steel 347 / 347H Pipes Fittings
DN | SCH 10S 90° Elbow (kg) | SCH 10S 45° Elbow (kg) | SCH 10S Equal Tee (kg) | SCH 40S 90° Elbow (kg) | SCH 40S 45° Elbow (kg) | SCH 40S Equal Tee (kg) | SCH 80S 90° Elbow (kg) | SCH 80S 45° Elbow (kg) | SCH 80S Equal Tee (kg) |
|---|---|---|---|---|---|---|---|---|---|
8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.40 | 1.28 | 0.91 | 0.59 | 1.59 |
65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |
Stainless Steel 347 / 347H Pipes Fittings Chemical Composition
Element of Stainless Steel 347 / 347H Pipe Fittings | Content, % |
|---|---|
Chromium | 17.00–20.00 |
Nickel | 9.00–13.00 |
Carbon — Grade 347 | ≤0.08 |
Carbon — Grade 347H | 0.04–0.10 |
Manganese | ≤2.00 |
Silicon | ≤0.75 |
Phosphorus | ≤0.045 |
Sulfur | ≤0.030 |
Niobium (Columbium) + Tantalum | ≥10 × carbon, up to 1.00 |
Iron | Balance |
Stainless Steel 347 / 347H Hexagonal Pipe Fittings, Stainless Steel 347 / 347H Rectangular and Custom Pipe Fittings, UNS S34700 / S34709 Stainless Steel Fittings Wholesaler, Stainless Steel 347 / 347H Fittings to Applicable ASTM Specifications, Buy Stainless Steel 347 / 347H Pipe Fittings, Stainless Steel 347 / 347H Fittings Stockist, Stainless Steel 347 / 347H Threaded Pipe Fittings Dealer, Stainless Steel 347 / 347H Tees and Elbows, Stainless Steel 347 / 347H Precision-Made Fittings, Stainless Steel 347 / 347H Seamless Pipe Fittings, Stainless Steel 347 / 347H Welded Pipe Fittings, Stainless Steel 347 / 347H Pipe Fittings Supplier in Mumbai, India.
Gasket Size Chart Of Stainless Steel 347 / 347H Pipes Fittings Equal Tee
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
Stainless Steel 347 / 347H Pipes Fittings Equivalent Material
Grade | UNS No. | Werkstoff No. | Old British / BS | Euronorm (EN) | GOST | Japanese JIS | AFNOR |
|---|---|---|---|---|---|---|---|
Stainless Steel 347 Pipe Fittings | S34700 | 1.4550 | — | X6CrNiNb18-10 | 08Ch18N12B* | SUS 347 | — |
Stainless Steel 347H Pipe Fittings | S34709 | 1.4961 | — | X6CrNiNb18-12 | — | SUS 347H | — |
Cast Stainless Steel 347 / 347H Pipes Fittings Properties
Material / Grade | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Density | Melting Range |
|---|---|---|---|---|---|
Cast Stainless Steel 347 / 347H Pipe Fittings | Specification-dependent | Specification-dependent | Specification-dependent | Approx. 7.9–8.0 g/cm³ | Approx. 1,400–1,450 °C (2,550–2,640 °F) |
Stainless Steel 347 / 347H Pipes Fittings can be supplied in either Pipe or Plate construction and are covered by specification ASTM A182 and ASME B16.5.
Stainless Steel 347 / 347H Pipe Fittings are offered in a broad range of designs, including elbows, tees, reducers, caps, and other custom configurations to accommodate different industrial piping layouts and engineering needs. They can be specified in various sizes, schedules, wall thicknesses, and end connections according to project drawings and applicable technical standards. Particular attention is given to material grade, dimensional accuracy, fitting geometry, surface condition, and manufacturing quality to help ensure compatibility with the intended piping system. Depending on the product type and project requirements, these fittings may be supplied in accordance with relevant ASTM or ASME specifications and other agreed international standards. Since Stainless Steel 347 and 347H are niobium-stabilized grades designed to improve resistance to intergranular corrosion, the selected grade, material condition, fabrication process, and service temperature should be considered during specification. Material test certificates, product identification, dimensional inspections, and additional verification can be arranged where required to support quality assurance and traceability. These fittings are used in refinery piping, petrochemical plants, power-generation equipment, chemical-processing systems, heat exchangers, and other industrial installations where corrosion resistance, dimensional reliability, and dependable performance at elevated temperatures are important.
Stainless Steel 347 / 347H Pipes Fittings Production Range
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We offer These Stainless Steel 347 / 347H Pipes Fittings as per DIN, ISO, JIS or ANSI Standard.
We offer Stainless Steel 347 / 347H Pipe Fittings in accordance with applicable international standards and customer-specific technical requirements, depending on the product type, material grade, and intended operating conditions. Our range includes various fitting configurations, sizes, schedules, wall thicknesses, and connection types to meet the needs of industrial piping systems, fabrication projects, equipment maintenance, and new installations. At Jai Hind Metal, we focus on material verification, dimensional precision, surface finish, and consistent manufacturing quality to help ensure that supplied fittings conform to agreed specifications. Based on project requirements, we can also coordinate customized dimensions, specified tolerances, inspection and testing arrangements, material test certificates, heat-number traceability, product marking, and relevant quality documentation. As Stainless Steel 347 and 347H have different carbon content and high-temperature strength characteristics, selecting the appropriate grade and confirming the required material specification are important steps before ordering. For product information, technical details, or customized requirements, email us at info@jaihindmetal.com.
Uses & Applications of Stainless Steel 347 / 347H Pipes Fittings
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Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
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Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Oil & Gas
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Chemical Processing
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
Aerospace
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Power Generation
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Salt Production
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
