Stainless Steel 347 Pipes
Stainless Steel 347 Pipes & Tubes
Niobium-stabilized stainless steel 347 pipes and tubes engineered for demanding industrial applications requiring elevated-temperature performance, corrosion resistance and reliable long-term service.
- SS 347
- Seamless
- ERW
- Welded
- EFW
- LSAW
- Niobium Stabilized
- High Temperature
SS 347 Pipes & Tubes Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Stainless Steel 347 Pipes & Tubes in various sizes, schedules, wall thicknesses, lengths and manufacturing configurations.
Stainless Steel 347 is a stabilized austenitic stainless steel grade containing niobium (columbium). The stabilization is intended to improve resistance to intergranular corrosion associated with sensitization during suitable elevated-temperature exposure.
SS 347 Pipes & Tubes are suitable for demanding applications involving elevated temperatures, thermal cycling and corrosive industrial environments. They are commonly considered for chemical processing, petrochemical, power generation, refinery and process equipment applications.
Key Features of SS 347
Niobium Stabilized
Stabilized grade designed for demanding elevated-temperature service.
High-Temperature Performance
Suitable for selected applications involving elevated service temperatures.
Corrosion Resistance
Provides reliable resistance across a range of industrial environments.
Excellent Fabrication
Suitable for industrial fabrication and engineering applications.
SS 347 Pipes & Tubes Specifications
| Parameter | Specification |
|---|---|
| Material Grade | Stainless Steel 347 |
| 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 |
| 347 Pipes & Tubes | 1/2" NB – 24" NB |
| ERW 347 Pipes & Tubes | 1/2" NB – 24" NB |
| EFW 347 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 347
| Element | Maximum / Range | Minimum |
|---|---|---|
| Nickel (Ni) | 13.00% | 9.00% |
| Carbon (C) | 0.08% | 0.04% |
| Manganese (Mn) | 2.00% | — |
| Phosphorus (P) | 0.045% | — |
| Sulfur (S) | 0.030% | — |
| Silicon (Si) | 1.00% | — |
| Chromium (Cr) | 20.0% | 17.0% |
| Molybdenum (Mo) | 3 – 4% | — |
| Nitrogen (N) | — | — |
| Other / Niobium (Nb) | 1.0% | 10 × (C + N) |
Mechanical Properties of SS 347
| Property | SS 347 |
|---|---|
| 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) | 201 HB |
Types of SS 347 Pipes & Tubes
SS 347 Seamless Pipes
High-integrity seamless pipes for demanding process applications.
SS 347 ERW Pipes
Welded pipe configurations for industrial piping systems.
SS 347 Welded Pipes
Available in various sizes and wall thicknesses.
SS 347 EFW Pipes
Large-diameter pipe solutions for demanding industrial projects.
SS 347 LSAW Pipes
Large-diameter longitudinally welded pipe configurations.
SS 347 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 347 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
- Niobium Stabilization 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 347 Pipes & Tubes?
Niobium Stabilized
Suitable for applications where stabilization is an important requirement.
Elevated Temperature Service
Designed for demanding high-temperature industrial applications.
Corrosion Resistance
Provides reliable resistance across many industrial environments.
Multiple Configurations
Seamless, ERW, welded, EFW and LSAW options are available.
Stainless Steel 347 Pipes & Tubes Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Stainless Steel 347 Pipes & Tubes in seamless, ERW, welded, EFW and LSAW configurations for industrial and engineering applications. Products can be supplied in different sizes, schedules, wall thicknesses, lengths and end configurations.
Stainless Steel 347 Seamless Pipes are suitable for applications requiring reliable performance at elevated temperatures and resistance to sensitization under suitable service conditions. Stabilization with niobium supports the grade's use in demanding thermal and fabrication environments.
SS 347 Pipes & Tubes are widely used in chemical processing, petrochemical plants, refineries, power generation, heat exchangers, pressure vessels, marine systems, process equipment and general engineering applications.
Related Stainless Steel Products
SS 347H Pipes & Tubes
Higher-carbon stabilized stainless steel for elevated-temperature applications.
SS 321 Pipes & Tubes
Titanium-stabilized stainless steel piping solutions.
SS 321H Pipes & Tubes
High-temperature stainless steel piping for demanding applications.
Technical values should be verified against the applicable ASTM/ASME specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.