Heat Resistant Stainless Steel Seamless Pipe is designed to withstand high-temperature environments while maintaining excellent mechanical strength and oxidation resistance. It is widely used in furnaces, boilers, heat exchangers, and high-temperature industrial systems.
Material Type :
Heat Resistant Stainless SteelOuter Diameter Range :
10mm – 610mmWall Thickness Range :
1.5mm – 50mmCustomizable :
YesOrder(MOQ) :
2TSpecifications
Heat resistant stainless steel seamless pipes are manufactured using seamless production processes, ensuring a uniform structure without weld seams. This provides reliable mechanical strength and stability under high-temperature and high-pressure conditions.
These pipes are typically made from heat-resistant stainless steel grades such as 310, 321, and other alloy stainless steels, which offer excellent resistance to oxidation, scaling, and thermal stress. They maintain structural integrity and performance even under continuous high-temperature exposure.
Heat resistant stainless steel seamless pipes are widely used in power plants, petrochemical processing, industrial furnaces, heat exchangers, and thermal equipment, where resistance to high temperature, oxidation, and long-term durability are critical.
Heat Resistant Stainless Steel Seamless Pipe is one of our core strength products. We maintain substantial inventory to ensure rapid delivery and can also customize extra-large diameter seamless pipes according to your specific requirements. Additionally, we provide comprehensive services including spectroscopic analysis, mechanical property testing, pressure testing, and non-destructive testing (NDT).
| Grade | Grade Equivalent | Mechanical Properties | Size Range | Chemical Composition (Typical, %) |
|---|---|---|---|---|
| TP309S | UNS S30908
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.08, Cr 22.0–24.0
|
| TP310S | UNS S31008
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.08, Cr 24.0–26.0
|
| TP321H | UNS S32109
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.10, Cr 17.0–19.0
|
| TP347H | UNS S34709
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.10, Cr 17.0–20.0
|
| TP316H | UNS S31609
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.10, Cr 16.0–18.5
|
| 253MA | UNS S30815
|
Tensile ≥600 MPa
|
OD 10–630 mm
|
C≤0.12, Cr 20.0–22.0
|
| 304H | UNS S30409
|
Tensile ≥515 MPa
|
OD 10–630 mm
|
C≤0.10, Cr 18.0–20.0
|
| Alloy 800H | UNS N08810
|
Tensile ≥450 MPa
|
OD 20–630 mm
|
C≤0.10, Cr 19.0–23.0
|
| Alloy 800HT | UNS N08811
|
Tensile ≥480 MPa
|
OD 20–630 mm
|
C 0.06–0.10, Cr 19.0–23.0
|
|
Note: If you do not find a Heat Resistant Stainless Steel Seamless Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan. |
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FAQs
Q: What types and standards of stainless steel do you mainly supply?
A: We mainly supply a wide range of stainless steel products including stainless steel pipes/tubes (seamless and welded), plates, coils, strips, and bars. Common grades include 304/L, 316/L, 321, 310, 410, 430, 2205 (Duplex), and 904L, which are widely used in construction, chemical processing, food equipment, and marine engineering. All stainless steel products comply with international standards such as ASTM, JIS, and EN. We can also provide corresponding material test certificates (MTC) and support customized specifications according to customer project requirements.
Q: Can you provide special specifications or non-standard customization? For example, extra-wide plates or pipes with specific wall thicknesses?
A: Of course. One of our advantages is our flexible customization capabilities. We can provide customized size cutting, special thicknesses, and special surface treatments (such as 2B, BA, No.4 brushed finish, mirror finish) based on your drawings or requirements. Whether it's a small trial order or a large-volume purchase, we can meet your needs.
Q: How do you guarantee the quality and consistency of materials? Do you have quality certifications?
A: Quality is our lifeline. We use direct supply from large steel mills to ensure material traceability. Each shipment comes with a Material Quality Certificate (MTC). We have our own quality control team that conducts random checks on material composition, dimensional tolerances, surface finish, and mechanical properties. Our factory is also ISO 9001:2015 quality management system certified.
Q: What are your delivery times and logistics solutions for overseas customers?
A: For standard-specification in-stock products, we can complete preparation and shipment within 7-14 days. Delivery times for customized products will be determined through negotiation based on the specific process. We have established international logistics partners who can arrange full container load (FCL), less-than-container load (LCL), or air freight according to your needs, and provide various trade terms such as EXW, FOB, CIF, and DDP, with door-to-door service.
Q: As a new customer, how do I begin cooperation? Can you provide samples for testing?
A: The cooperation process is very smooth: 1) You provide specific requirements (brand, specifications, quantity, standards); 2) We provide a quotation and technical advice; 3) After confirmation, we arrange the contract and payment; 4) Production/pickup and quality inspection; 5) Shipment and provision of documentation. We encourage sample testing. For serious customers, we can provide small-size samples to ensure that the materials fully meet your processing and application requirements.
|
Note: If you do not find a Heat Resistant Stainless Steel Seamless Pipe that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.0 |
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