TP347H High Pressure Pipe 1.5in SCH160, ASTM A213, Ultra-High Temp,
Boiler Lines
TP347H Stainless Steel High-Pressure Pipes (1.5" SCH160) by Jiangsu China Steel Union Industrial Co., Ltd are engineered for ultra-high-temperature applications in power
plant boilers, superheaters, and steam reforming units. Compliant
with ASTM A213, these stabilized austenitic stainless steel pipes contain niobium
(Nb) to prevent carbide precipitation and ensure exceptional creep
resistance at temperatures up to 700°C. The 1.5" SCH160 dimensions (OD: 48.3mm, Wall Thickness: 7.14mm)
withstand pressures exceeding 3,000 psi, making them ideal for critical steam lines exposed to thermal
cycling and oxidation. Seamless manufacturing and solution
annealing guarantee microstructural stability in coal-fired,
gas-fired, and biomass energy systems.
2. Detailed Specifications
| Parameter | Details |
|---|
| Material | TP347H Stainless Steel (UNS S34709 / ASTM A213) |
| Element Composition | Cr: 17–19%, Ni: 9–13%, Nb: 8xC–1.0%, C: 0.04–0.10%, Mn: ≤2%, Si:
≤0.75%, P: ≤0.045%, S: ≤0.03%, Fe: Balance |
| Dimensions | OD: 1.5" (48.3mm), Wall Thickness: 7.14mm (SCH160), Length: 6–12m
(Customizable) |
| Certifications | ASTM A213, ASME SA213, EN 10216-5, PED 2014/68/EU, ISO 9001:2015,
TÜV Nord |
| Mechanical Properties | Tensile Strength: ≥515 MPa
Yield Strength: ≥205 MPa
Elongation: ≥35%
Hardness: ≤90 HRB |
| Temperature Range | Continuous: -20°C to 700°C
Intermittent: Up to 750°C (Oxidation Resistance) |
| Surface Finish | Annealed & Pickled, Shot-Blasted, or Ceramic Spray-Coated for
Enhanced Oxidation Resistance |
| Applications | Boiler superheater tubes, steam headers, heat recovery steam
generators (HRSG), catalytic reformers |
3. Advantages of Importing Our Product
- Ultra-High Temp Performance: Nb stabilization prevents sensitization and ensures creep
resistance in 700°C+ steam environments.
- Cost Efficiency: 20% lower pricing than European/U.S. suppliers, leveraging
Jiangsu’s integrated production from alloy melting to precision
tube forming.
- Fast Delivery: 10,000-ton annual capacity; 14-day lead time for ASTM
A213-certified orders from Shanghai or Rotterdam hubs.
- Zero-Defect Assurance: 100% PMI testing, ultrasonic inspection (UT), and IGC
(Intergranular Corrosion) reports per ASTM A262.
- Custom Solutions: Induction bending, flanged ends, and bespoke thermal coatings
(Al-Si or Inconel 625) for retrofit projects.
4. Key Applications
- Power Generation: Superheater and reheater tubes in coal/gas-fired boilers and
combined-cycle plants.
- Petrochemicals: Steam methane reformer (SMR) coils, hydrocracker charge heaters,
and ethylene furnace tubes.
- Waste-to-Energy: High-pressure steam lines in biomass incinerators and syngas
processing units.
- Nuclear Plants: Auxiliary steam systems and non-reactor heat exchangers.
- Industrial Heating: Process heaters, thermal oil circuits, and high-temperature
fluidized bed reactors.
Jiangsu China Steel Union Industrial Co., Ltd delivers ASTM A213-certified TP347H stainless steel pipes that
redefine reliability in ultra-high-temperature energy systems,
offering unmatched durability and compliance for global power,
petrochemical, and heavy industries.
FAQ
Q1. Where is your factory ?
A1: Our company's processing center is located in Wuxi, Jiangsu,
China.
Which is well equipped with kinds of machines, such as laser
cutting machine,mirror polishing machine and so on.We can provide a
wide range of personalized services according to the customers'
needs.
Q2. What are your company's main products ?
A2: Our main products are stainless steel plate/sheet, coil,
round/square pipe, bar, channel, etc.
Q3. How do you control quality ?
A3: Mill Test Certification is supplied with shipment, Third Party
Inspection is available.
Q4. What are the advantages of your company ?
A4: We have many professionals, technical personnel, more
competitive prices and best after-dales service than other
stainless steel companies.
Q5. How many coutries you already exported ?
A5: Exported to more than 50 countries mainly from America, , UK,
Kuwait, Egypt, , Turkey, Jordan,
India, etc.
Q6. Can you provide sample ?
A6: Small samples in store and can provide the samples for free.
Customized samples will take about 5-7days.
