Stainless Steel 347H Pipes
Stainless Steel 347H Pipes & Tubes
High-carbon, stabilized stainless steel 347H pipes and tubes designed for demanding elevated-temperature applications requiring reliable strength, corrosion resistance and long-term industrial performance.
- SS 347H
- Seamless
- ERW
- Welded
- EFW
- LSAW
- Stabilized Grade
- High Temperature
SS 347H Pipes & Tubes Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Stainless Steel 347H Pipes & Tubes in various sizes, schedules, wall thicknesses, lengths and manufacturing configurations.
Stainless Steel 347H is a higher-carbon stabilized austenitic stainless steel grade designed for applications where elevated-temperature strength and resistance to sensitization are important considerations. Its stabilized composition makes it suitable for demanding thermal service environments.
SS 347H Pipes & Tubes are suitable for chemical processing, petrochemical plants, refineries, power generation, heat exchangers, process equipment, high-temperature systems and other industrial engineering applications.
Key Features of SS 347H
High-Temperature Strength
Designed for demanding applications involving elevated service temperatures.
Stabilized Stainless Steel
Stabilized composition supports resistance to sensitization during suitable service.
Corrosion Resistance
Provides reliable resistance across many industrial environments.
Industrial Versatility
Available in seamless, welded and large-diameter configurations.
SS 347H Pipes & Tubes Specifications
| Parameter | Specification |
|---|---|
| Material Grade | Stainless Steel 347H |
| Specifications | ASTM A213 / ASME SA213, ASTM A249, ASTM A269, ASTM A312 / ASME SA312, ASTM A358 Class I to V, ASTM A789 / ASTM A790 |
| Dimensions | ASTM, ASME and API |
| General Size | 1/8" NB to 30" NB |
| 347H Pipes & Tubes | 1/2" NB – 8" NB |
| ERW 347H Pipes & Tubes | 1/2" NB – 24" NB |
| EFW 347H Pipes & Tubes | 6" NB – 100" NB |
| Specialized In | Large Diameter Sizes |
| Thickness / Schedules | SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic |
| Length | Single Random, Double Random & Cut Length |
| Ends | Plain End, Beveled End, Threaded End |
Chemical Composition of SS 347H
| Element | Maximum / Range | Minimum |
|---|---|---|
| Nickel (Ni) | 13.00% | 9.00% |
| Carbon (C) | 0.10% | 0.04% |
| Manganese (Mn) | 2.00% | — |
| Phosphorus (P) | 0.045% | — |
| Sulfur (S) | 0.030% | — |
| Silicon (Si) | 1.00% | — |
| Chromium (Cr) | 19.0% | 17.0% |
| Molybdenum (Mo) | 3 – 4% | — |
| Nitrogen (N) | — | — |
| Other / Stabilizing Elements | 1.00% Max. | 8 × C Min. |
Mechanical Properties of SS 347H
| Property | SS 347H |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | Approx. 1454 °C (2650 °F) |
| Tensile Strength | 75,000 psi / 515 MPa Min. |
| Yield Strength (0.2% Offset) | 30,000 psi / 205 MPa Min. |
| Elongation | 35% Min. |
| Hardness (Brinell) | As per applicable specification |
Types of SS 347H Pipes & Tubes
SS 347H Seamless Pipes
High-integrity seamless pipes for demanding high-temperature applications.
SS 347H ERW Pipes
Welded pipe configurations for industrial piping systems.
SS 347H Welded Pipes
Available in various sizes and wall thicknesses.
SS 347H EFW Pipes
Large-diameter pipe solutions for demanding industrial projects.
SS 347H LSAW Pipes
Large-diameter longitudinally welded pipe configurations.
SS 347H Tubes
Round, square, rectangular and hydraulic tube configurations.
Applications & Industries
- Chemical Processing
- Oil & Gas
- Petrochemical
- Refineries
- Power Generation
- Heat Exchangers
- High-Temperature Equipment
- Marine Industry
- Pharmaceutical
- Food Processing
- Fertilizer Plants
- Nuclear Applications
- Process Equipment
- Pressure Vessels
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
SS 347H Pipes & Tubes can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional & Visual Inspection
- Material Grade Verification
- Chemical Composition Verification
- Mechanical Property Testing
- Stabilizing Element Verification as Applicable
- Non-Destructive Testing as Applicable
- Hydrostatic / Pressure Testing as Applicable
- Intergranular Corrosion Testing as Applicable
- Mill Test Certificate (MTC)
- Customer-Specific Inspection Documentation
Why Choose SS 347H Pipes & Tubes?
High-Temperature Performance
Suitable for demanding elevated-temperature service applications.
Stabilized Grade
Suitable for applications where stabilized stainless steel is required.
Reliable Corrosion Resistance
Provides resistance across a broad range of industrial environments.
Multiple Configurations
Seamless, ERW, welded, EFW and LSAW options are available.
Stainless Steel 347H Pipes & Tubes Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Stainless Steel 347H Pipes & Tubes in seamless, ERW, welded, EFW and LSAW configurations for demanding industrial and engineering applications. Products can be supplied in different sizes, schedules, wall thicknesses, lengths and end configurations.
Stainless Steel 347H Seamless Pipes are suitable for applications requiring elevated-temperature strength and reliable performance under demanding service conditions. The stabilized composition supports the grade's use in suitable high-temperature environments.
SS 347H Pipes & Tubes are widely used in chemical processing, petrochemical plants, refineries, power generation, heat exchangers, pressure vessels, process equipment, high-temperature systems and general engineering applications.
Related Stainless Steel Products
SS 347 Pipes & Tubes
Stabilized stainless steel piping solutions for demanding applications.
SS 321 Pipes & Tubes
Titanium-stabilized stainless steel piping for industrial service.
SS 321H Pipes & Tubes
High-temperature stainless steel piping solutions.
Technical values should be verified against the applicable ASTM/ASME specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.