SA213 TP304L Stainless Steel U Bend Boiler Tube For Hot Water Boilers And Condensers
Price:
Negotiable
MOQ:
1PC
Delivery Time:
According to the quantity
Brand:
YUHONG GROUP
Product Description
SA213 TP304L Stainless Steel U Bend Boiler Tube For Hot Water Boilers And Condensers
Product Specifications
| Tube Material | A179, A106, A210 |
| Length | Max 34M/PC |
| O.D. | 6-50.8mm |
| W.T. | 0.5-15mm |
| Testing | UT, ET, HT, PMI |
| Product Name | Stainless Steel U Bend Boiler Tube |
ASME SA213 TP304L U-Bend Boiler Tube - Applications & Key Features
SA213 TP304L is a low-carbon austenitic stainless steel (18% Cr, 8% Ni, low C) used in U-bend boiler tubes for high-corrosion resistance and flexibility in heat exchangers.
Primary Applications
- Heat Exchangers & Condensers - Shell & tube heat exchangers (U-bends allow thermal expansion). Surface condensers in power plants (resists steam/condensate corrosion).
- Boilers & Superheaters - Recovery boilers (handles flue gas condensates). Low-pressure steam boilers (where chloride stress corrosion is a concern).
- Petrochemical & Refining - Reboilers, feedwater heaters (resists acidic/alkaline conditions). Refinery heat recovery systems (exhaust gas applications).
- Food & Pharmaceutical Processing - Sanitary heat exchangers (non-reactive, easy to clean).
- Marine & Desalination - Desalination plant tubing (resists saltwater pitting/crevice corrosion).
Why Use SA213 TP304L U-Bend Tubes?
- ✔ Excellent corrosion resistance (vs. carbon steel in acidic/chloride environments)
- ✔ Low carbon content (0.03% max) - prevents sensitization & intergranular corrosion
- ✔ Good weldability - no post-weld heat treatment required
- ✔ High ductility - U-bends withstand thermal expansion stresses
- ✔ Oxidation resistance up to ~800°C (1472°F)
Comparison with Other Grades
| Grade | Key Features | Best For |
|---|---|---|
| TP304L | Low carbon, general corrosion resistance | Most heat exchangers, food/pharma |
| TP316L | Added Mo (2-3%), better chloride resistance | Marine, desalination, harsh chemicals |
| TP321 | Ti-stabilized, resists sensitization | High-temp exhausts, aircraft |
| TP347 | Nb-stabilized, superior creep resistance | Superheaters, high-pressure steam |
Common FAQs
Can TP304L handle high-pressure steam?
Yes, but for >500°C (932°F), TP321/TP347 is preferred due to better creep strength.
Why U-bend instead of straight tubes?
Absorbs thermal expansion (reduces stress on tube sheets). Compact design (saves space in heat exchangers).
How to prevent stress corrosion cracking (SCC)?
Avoid chloride exposure >60°C (140°F). Use TP316L if chlorides are present.
What's the max operating temperature?
Continuous: ~800°C (1472°F) (oxidizing environments). For pressure service: ~425°C (797°F) per ASME limits.
How to inspect U-bend tubes?
Dye penetrant (PT) for surface cracks. Radiography (RT) for internal defects.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
YUHONG HOLDING GROUP CO., LTD
Location
20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
Contact Person
Sales Dept. (Marketing Director)