Product Introduction
TP304H stainless steel pipe is a high temperature austenitic stainless steel pipe suitable for boilers, heat exchangers and high temperature and high pressure transmission systems.
Product Parameters
|
Product Name |
ASTM A312 TP304H Stainless Steel Pipe |
|
Out Diameter |
19-813mm |
|
Wall Thickness |
0.5-60mm |
|
Material Standard |
ASTM A312 |
|
Steel Grade |
ASTM A312 TP304H |
|
Surface |
Pickling, Solid solution, Polishing |
|
Packing |
Plastic Film, Plastic Cap, Bundle, Woven bag, Wooden Case, Iron Frame |
|
Delivery |
Within 3 days with stock, 15-50 days based on production |
|
Payment |
T/T, D/P, L/C at sight, Usance L/C etc. |
Product Features
High-Temperature Resistance
TP304H stainless steel pipe has a high carbon content, maintaining strength and stability above 600°C.
Corrosion Resistance
TP304H stainless steel pipe features an austenitic structure and undergoes a solid solution treatment, making it resistant to acids, alkalis, and oxidation.
Excellent Machinability
The surface of the stainless steel pipe can be pickled, solid solution treated, and polished, facilitating welding and subsequent processing.
Product Application
Power Industry
In thermal power plant boilers, TP304H stainless steel pipe is primarily used in superheaters and reheaters, ensuring stable high-temperature steam delivery.
Chemical Industry
In chemical plants, this stainless steel pipe is primarily used for transporting corrosion-resistant fluids.
Oil and Gas Industry
In refineries and natural gas pipelines, TP304H stainless steel pipe is used to transport high-temperature fluids and corrosive media.
Chemical Requirements
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
TP304H |
0.04-0.10 |
2.00max |
0.045max |
0.030max |
1.00max |
18.00-20.00 |
8.00-11.00 |
Mechanical Property
|
Grade |
Tensile strength Min Ksi(Mpa) |
Yield strength Min Ksi(Mpa) |
Elongation % min |
|
TP304H |
75(515) |
30(205) |
35 |
Product Show
All stainless steel pipes produced by our company undergo strict quality inspection. The finished pipes feature uniform color, smooth inner and outer surfaces, absence of pits, rust spots, scratches, and oxide layers, and their dimensions fully comply with standard tolerances.
Why We Are the Leading Manufacturer of TP304H Stainless Steel Pipe
We are a Chinese steel pipe manufacturer established in 2006.
We offer stainless steel pipe, alloy steel pipe, duplex steel pipe, pipe fittings, and flanges.
We offer factory direct pricing.
We hold over 60 utility model patents.
Product Packing
Depending on product specifications and customer requirements, our company offers the following packaging methods: plastic protectors, plastic film, strapping, woven bags, wooden boxes, iron frames, etc.
We specialize in ASTM A312 TP304H stainless steel pipes. Please feel free to contact us or visit our company.
Email: johnny@yqpipeline.com
WhatsApp: +86 15632733100
Tel: +86 317 6376727
FAQ
Q: 1. What is the main difference between TP304H stainless steel pipe and TP304?
A: TP304H is a high-temperature version developed based on TP304. The main difference between the two is the carbon content. TP304H has a higher carbon content and is designed for high-temperature environments, while TP304 is more suitable for medium or normal temperature environments.
Q: 2. Is TP304H a food-grade stainless steel?
A: Although TP304H is an austenitic stainless steel, its high-carbon design is not aimed at sanitary or food contact safety, so it is generally not recommended for use in food processing or medicine.
Q: 3. What are the main implementation standards of TP304H?
A: Common implementation standards for TP304H include ASTM A213 (for heat exchangers, condensers), ASTM A312 (seamless and welded stainless steel pipe standards), and can also be supplied according to standards such as ASME and DIN.
Q: 4. What is the heat treatment process of TP304H?
A: TP304H is usually solution treated (generally above 1080℃) after forming to restore its austenite structure, remove internal stress, and improve its corrosion resistance and mechanical properties.
Q: 5. Can TP304H still maintain good performance in low temperature environment?
A: TP304H is mainly designed for high temperature applications. Its ductility and toughness at low temperature are relatively limited. If it is used in deep or ultra-low temperature environment, material adaptation evaluation should be carried out according to specific working conditions.
Q: 6. What types of flaw detection can be used for TP304H?
A: Ultrasonic flaw detection (UT), eddy current testing (ET), penetrant testing (PT) and X-ray testing (RT) can be used to inspect its quality and the integrity of the welded joints.
Q: 7. Can TP304H stainless steel pipe be recycled?
A: Yes, TP304H is a high-value stainless steel with high recycling value, and the recycling, remelting and reuse process is common in the stainless steel industry, which meets the dual benefits of environmental protection and economy.
Q: 8. Is TP304H pipe suitable for buried or underground installation?
A: Although TP304H has certain corrosion resistance, it is still recommended to add an anti-corrosion layer or sheath for long-term buried use to prevent chloride ions or other corrosive media in the soil from affecting its life.
Q: 9. What treatment forms can be provided for the surface of TP304H stainless steel pipe?
A: Common surface treatments include pickling, polishing, sandblasting, and 2B, BA surface treatments. Different surface states can be selected according to project requirements to adapt to different working conditions.
Q: 10. What precautions should be taken for the storage and transportation of TP304H stainless steel pipes?
A: Avoid contact with carbon steel or corrosive materials to prevent cross contamination. Avoid violent collisions during transportation. It is recommended to use wooden frames or soft packaging for isolation to prevent surface scratches and deformation.
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