ASTM A376 TP347H Stainless Steel Seamless Pipe For Power Generation Equipments
ASTM A376 TP347H Stainless Steel Seamless Pipe For Power Generation Equipments
ASTM A376 TP347H is a premium-gradeseamless austenitic stainless steel pipe specified under the ASTM A376/A376M standard, which governs seamless cold and hot-finished austenitic stainless steel pipes designed exclusively for high-temperature, high-pressure service in power generation and industrial thermal systems. Manufactured by seamless processing, this stainless steel pipe has no weld seams, ensuring uniform structural integrity, consistent wall thickness, and superior mechanical stability under extreme thermal and pressure loads. This stainless steel seamless pipe is the preferred material for critical high-temperature piping components in power plants, petrochemical furnaces, and industrial heat exchange systems.
Chemical Composition(%):
| Grade | UNS. | C | Mn | P | S | Si | Cr | Ni | Nb |
| TP347H | S34709 | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | 10 × C% |
Common Surface Finishes:
- Pickled & Annealed (AP) Finish
- Bright Annealed (BA) Finish
- Polished Finish
- Sandblasted Finish
Key Features:
- Excellent High-Temperature Creep Resistance
- Superior Intergranular Corrosion Resistance
- Stable Austenitic Structure
- High Structural Safety
- Good Processability
- Good Weldability
- Outstanding Oxidation Resistance
Industrial Applications:
- Power Generation Industry
- Petrochemical Industry
- Nuclear Power Industry
- Aerospace Industry
- Energy Equipment
- Petrochemical Refineries
- Heat Exchangers
- Gas Turbine Exhausts
- Automotive Industry
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