ASME SA213 TP321 Stainless Steel Seamless Tube For Boiler High Temperature Service
High-Frequency Welded ASME SA213 TP321 Stainless Steel Seamless Tube | Extreme Heat-Resistant Boiler & Superheater Piping
Product Overview
Yuhong introduces ASME SA213 TP321 Stainless Steel Seamless Tubes, designed for extreme-temperature boiler and superheater systems. These tubes combine titanium-stabilized chromium-nickel alloy durability with superior oxidation resistance, ideal for demanding thermal environments.
Key Features
1. Material & Chemical Composition
- Base Material: ASME SA213 TP321 Austenitic Stainless Steel (Ti-stabilized).
- Chemical Composition:
| Element | Cr | Ni | Ti | C | Mn |
|---|---|---|---|---|---|
| Composition | 17.0-19.0% | 9.0-12.0% | ≥5×C% | ≤0.08% | ≤2.00% |
Compliant with ASME SA213 and ASTM A213 standards.
2. Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥515 MPa |
| Yield Strength | ≥205 MPa |
| Elongation (A50) | ≥40% |
| Operating Temperature | Up to 900°C (1650°F) |
3. Manufacturing Process
- High-Frequency Welding (HFW): Ensures 95% weld integrity with seamless precision.
- Heat Treatment: Solution annealing at 1010-1120°C followed by rapid water quenching.
- Surface Finish: Pickling + passivation for enhanced corrosion resistance.
4. Applications
- Boilers & Superheaters: Water walls, steam pipelines, and reheater coils.
- Heat Exchangers: Petrochemical and power plant condensers.
- Oil & Gas: High-temperature reformers and sulfur recovery units.
Advantages
- High-Temperature Stability: Resists sensitization and intergranular corrosion at 450-850°C.
- Corrosion Resistance: Performs in acidic, sulfur-rich, and chloride environments.
- Customization: Available in OD 6-219mm and WT 0.5-30mm with lengths up to 18m.
FAQ
Q1: What certifications do you provide?
A: ASME, ISO 9001, EN 10216-5, and PED 2014/68/EU.
Q2: Can these tubes withstand thermal cycling?
A: Yes, titanium stabilization prevents carbide precipitation during repeated heating/cooling.
Q3: What is the lead time for bulk orders?
A: Standard lead time is 4-6 weeks for 20-ft container loads.
Why Choose Yuhong?
- Advanced Facilities: 55 automated production lines with 3D laser cutting and CNC welding.
- Global Compliance: Certified by ABS, DNV, GL, and GOST.
- Technical Support: 110+ engineers offer tailored solutions for OD/WT adjustments and surface treatments.
Contact Us:
- Email: jimmy@steelseamlesspipe.com
- WhatsApp: +86 18892647377
- Website: www.steelfintube.com
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.