ASME SA213 TP304H Seamless Boiler Tube For Superheater And Reheater
ASME SA213 TP304H Seamless Stainless Steel Tube For Boiler, Superheater And Heat Exchanger Applications
Product Description
ASME SA213 TP304H Seamless Stainless Steel Tube is a high-temperature austenitic stainless steel tube specifically engineered for boilers, superheaters, reheaters, heat exchangers, and pressure-service applications. Compared with standard TP304 stainless steel, TP304H contains a higher carbon content, providing improved creep strength and enhanced oxidation resistance at elevated temperatures.
Manufactured according to ASME SA213 specifications, TP304H seamless tubes are produced through a cold-finished process to ensure excellent dimensional accuracy, smooth surface quality, and superior mechanical performance. The seamless construction eliminates weld-related weaknesses, making these tubes suitable for high-pressure and high-temperature operating environments.
TP304H seamless stainless steel tubes are widely used in power generation plants, petrochemical facilities, refineries, fertilizer plants, and industrial heating systems where long-term reliability and thermal stability are essential.
Product Advantages
-
Excellent High-Temperature Strength
TP304H offers superior creep resistance and elevated-temperature mechanical properties compared with TP304, making it suitable for continuous service in demanding thermal environments.
-
Outstanding Corrosion Resistance
The chromium and nickel content provide excellent resistance to oxidation, scaling, and corrosion under aggressive operating conditions.
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Seamless Construction
Manufactured without welded joints, ensuring higher pressure resistance, improved safety, and longer service life.
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Precise Dimensional Tolerance
Cold-finished processing ensures accurate OD and wall thickness control, helping reduce installation and maintenance costs.
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Long Service Life
Designed for critical heat-transfer and pressure-service systems where durability and reliability are required.
Technical Specifications
|
Item |
Specification |
|---|---|
|
Standard |
ASME SA213 / ASTM A213 |
|
Material Grade |
TP304H |
|
UNS Number |
S30409 |
|
Product Type |
Seamless Stainless Steel Tube |
|
Manufacturing Process |
Cold Finished (CF) |
|
Outside Diameter |
6.35 mm – 114.3 mm |
|
Wall Thickness |
0.5 mm – 12 mm |
|
Length |
Up to 26000 mm or Customized |
|
Surface Finish |
Pickled, Annealed, Bright Annealed |
|
End Type |
Plain End / Beveled End |
|
Inspection |
PMI, Hydrostatic Test, Eddy Current Test, UT |
|
Certificate |
EN10204 3.1 / MTC |
Quality Control & Inspection
Every TP304H seamless tube undergoes strict inspection procedures before delivery:
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Positive Material Identification (PMI)
-
Hydrostatic Pressure Test
-
Eddy Current Testing (ET)
-
Ultrasonic Testing (UT)
-
Dimensional Inspection
-
Visual Surface Inspection
-
Chemical Composition Analysis
-
Mechanical Property Testing
Third-party inspection from SGS, BV, TUV, DNV, ABS, IEI and LR is available upon request.
Typical Applications
-
Boiler Tubes
Suitable for high-pressure boiler systems requiring excellent heat resistance and long-term reliability.
-
Superheater & Reheater Tubes
Designed for elevated temperature steam systems in thermal power plants.
-
Heat Exchanger Tubes
Provides efficient heat transfer and corrosion resistance in chemical and industrial processing equipment.
-
Petrochemical Industry
Widely used in refining, chemical processing, and fertilizer production facilities.
-
Power Generation
Ideal for fossil-fuel, biomass, and combined-cycle power plants.
Why Choose TP304H Instead of TP304?
|
Property |
TP304 |
TP304H |
|---|---|---|
|
Carbon Content |
Standard |
Higher |
|
High Temperature Strength |
Good |
Better |
|
Creep Resistance |
Standard |
Improved |
|
Boiler Service |
Suitable |
Preferred |
|
Superheater Service |
Suitable |
Recommended |
For applications involving continuous high-temperature operation, TP304H is generally preferred due to its enhanced creep rupture strength and thermal stability.
Frequently Asked Questions(FAQ)
1. What is TP304H stainless steel?
TP304H is a high-carbon version of 304 stainless steel specifically developed for elevated-temperature service requiring improved creep strength.
2. What is the difference between TP304 and TP304H?
TP304H contains a higher carbon content, providing improved strength and creep resistance at high temperatures.
3. Is TP304H suitable for boiler applications?
Yes. TP304H is commonly used in boiler tubes, superheaters, reheaters, and pressure-service systems.
4. What industries use TP304H seamless tubes?
Power generation, petrochemical processing, refineries, fertilizer plants, heat exchanger manufacturing, and industrial heating systems.
5. Can customized dimensions be supplied?
Yes. Customized OD, wall thickness, length, and testing requirements are available according to project specifications.
Packaging & Delivery
-
Plastic End Caps Protection
-
Bundles With Steel Strips
-
Wooden Cases
-
Plywood Export Cases
-
Seaworthy Export Packaging
Worldwide shipment is available by sea, air, railway, or express delivery.
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