Stainless Steel Boiler Tubes Manufacturer and Supplier
Stainless steel boiler tubes are essential components used in high-temperature and high-pressure environments, particularly in boilers for power generation, chemical processing, and marine applications. At Thaida, a reliable stainless steel manufacturer and supplier based in Chon Buri, Thailand, we offer a comprehensive range of stainless steel boiler tubes, available in various types, including water tube, fire tube, and ERW tubing. Designed for strength, thermal resistance, and long-term durability, these tubes ensure safe and efficient heat transfer. Known for our adherence to international standards and our commitment to quality and affordability, we deliver performance-driven solutions trusted by industries across the globe.
Product Introduction : Stainless Steel Boiler Tubes
Stainless steel boiler tubes are specialized tubes designed primarily for use in boilers, heat exchangers, and other high-pressure, high-temperature applications. These tubes are engineered to withstand extreme conditions such as high temperatures, intense pressure, and potential exposure to corrosive environments. The stainless steel composition provides excellent resistance to oxidation and corrosion, making these tubes highly durable and reliable in demanding industrial processes. Typically manufactured according to industry standards such as ASTM A213, ASTM A249, and ASTM A269, ss boiler tubes ensure consistent performance and quality.
Key Benefits of Stainless Steel Boiler Tubes
The 6 benefits of stainless steel boiler tubes are as follows :
Corrosion Resistance
Stainless steel resists rust and chemical attack, making these boiler tubes ideal for corrosive environments in chemical plants and power stations.
Hygiene and Cleanliness
Strength and Durability
With excellent mechanical strength, they withstand high-stress applications, minimizing failures and extending service life.
Low Maintenance Costs
Their resistance to corrosion and scaling reduces cleaning and replacement frequency, lowering long-term operational costs.
High Temperature Tolerance
Versatility and Customization
Why Choose Thaida for Your Stainless Steel Boiler Tubes?
Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. stands out as a reliable supplier of stainless steel boiler tubes, delivering top-quality products that fully comply with international standards. With AAA certification, we provide professional-grade boiler tubes. We ensure exceptional performance, durability, and provide competitive prices, making us an ideal choice for industries looking for cost-effective, high-performance solutions.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Dispatch
Custom Sizes & Finishes
Industry Certifications & Compliance
Advanced Production Technology
After-Sales Support, Service- Technical Support
In-House Testing & Full Traceability
Stainless Steel Boiler Tubes Specifications
The detailed specifications of stainless steel boiler tubes include grade, standards, and mechanical properties.
| Austenitic Stainless Steel | 301 (Ni : 6%), 304/304L 304LN 316/316L 316Ti, 316LN 317/317L, 321, 310S, 347, 304H, 316H, 347H, 347HFG, 310H, UNS N8904, UNS 31254 etc. |
|---|---|
| Standards | ASTM A249, A269, A312, A554, A270 |
| Size |
W.T: SCH5S, SCH10S Length: 6m, or as customers demand |
| END | Plain End, Beveled End, Treaded |
| Processing Service | Decoiling, Bending, Welding, Punching, Cutting, Moulding |
| Technique | Cold drawn, Cold rolled, Hot rolled, Extrusion Tubes |
| Test Certificate |
EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) 100% Radiography Test Report Raw Materials Certificate Laboratory Test Certificate from Govt. Approved Lab |
| Packaging | Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request |
| Uses &Application |
Fluid, gas and oil industry Heat transmission and pressure service Construction and ornamental Boilers and Heat exchangers Decoration purpose, boiler, auto parts, medical device, food industry, building materials) |
Stainless Steel Boiler Tubes Chemical Structure
The chemical composition of the Stainless Steel Boiler Tube table includes key elements like chromium, nickel, and carbon.
| ELEMENT | VALUES |
|---|---|
| NI | 12.0 - 15.0 |
| C | 0.08 max |
| MN | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| SI | 1.0 max |
| CR | 22.0 - 24.0 |
| MO | 0.75 max |
Stainless Steel Boiler Tubing Sizes
Refer to the table below for the available size range of stainless steel boiler tubing in terms of outer diameter and wall thickness.
| Size (SA213) | Length |
|---|---|
| 2" x 0.150" | 21' - 0" |
| 1.5" x 0.135" | 19' - 10" |
| 1.5" x 0.148" | 18' - 3" |
| 1.75" x 0.120" | 16' - 5" |
| 1.75" x 0.227" | 14' - 7" |
| 1.75" x 0.227" | 20' - 0" |
| 1.75" x 0.320" | 10' - 8" |
| 1.875" x 0.165" | 23' - 1" |
| 2" x 0.150" | 16' - 10" |
| 2" x 0.165" | 28' - 11" |
| 2" x 0.165" | 31' - 5" |
| 2" x 0.300" | 23' - 2" |
| 2" x 0.332" | 21' - 0" |
| 2" x 0.360" | 23' - 11" |
| 2.125" x 0.165" | 25' - 0" |
| 2.125" x 0.200" | 17' - 7" |
| 2.25" x 0.133" | 38' - 0" |
| 2.25" x 0.203" | 25' - 0" |
| 2.5" x 0.165" | 13' - 5" |
| 2.5" x 0.165" | 17' - 9" |
| 2.5" x 0.220" | 27' - 0" |
| 2.5" x 0.238" | 17' - 9" |
| 2.5" x 0.280" | 25' - 0" |
| 2.75" x 0.260" | 26' - 0" |
| 2.75" x 0.260" | 25' - 7" |
| 2.75" x 0.345" | 22' - 6" |
| 3" x 0.300" | 22' - 0" |
Stainless Steel Boiler Tubes Temperature Range
The table below outlines the operating temperature range suitable for various grades of stainless steel boiler tubes.
| Grades | Working temperature (ºC [ºF]) |
|---|---|
| TP304H | 590 [1095] |
| TP347/347H | 610 [1130] |
| TP347HFG | 650 [1200] |
| TP310H | 590 [1095] |
| TP321H | 600 [1110] |
| TP316H | 610 [1130] |
| S30432 | 650 [1200] |
Stainless Steel Boiler Tubes Equivalent
The equivalent table for Stainless Steel Boiler Tube presents global equivalents from various engineering standards and codes.
| - | North America | Russia | Russia | Japan | United Kingdom | Europe | France |
|---|---|---|---|---|---|---|---|
| STANDARD | UNS | WERKSTOFF NR. | GOST | JIS | BS | EN | AFNOR |
| 304 | S30400 | 1.4301 | 08Х18Н10 | SUS 304 | 304S31 | X5CrNi18-10 | Z7CN18‐09 |
| 304L | S30403 | 1.4306 / 1.4307 | 03Х18Н11 | SUS 304L | 3304S11 | X2CrNi18-9 / X2CrNi19-11 | Z3CN18‐10 |
| 304H | S30409 | 1.4301 | – | – | – | – | – |
| 310 | S31000 | 1.4841 | 20Ch25N20S2 | SUS 310 | 310S24 | X15CrNi25-20 | – |
| 310S | S31008 | 1.4845 | 20Ch23N18 | SUS 310S | 310S16 | X8CrNi25-21 | – |
| 310H | S31009 | – | – | – | – | – | – |
| 316 | S31600 | 1.4401 / 1.4436 | – | SUS 316 | 316S31 / 316S33 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 | Z7CND17‐11‐02 |
| 316L | S31603 | 1.4404 / 1.4435 | 03Ch17N14M3 / 03Ch17N14M2 | SUS 316L | 316S11 / 316S13 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| 316H | S31609 | 1.4401 | – | – | – | – | – |
| 316Ti | S31635 | 1.4571 | 08Ch17N13M2T | SUS 316Ti | 320S31 | X6CrNiMoTi17-12-2 | Z6CNDT17‐123 |
| 317 | S31700 | 1.4449 | – | SUS 317 | – | – | – |
| 317L | S31703 | 1.4438 | – | SUS 317L | – | X2CrNiMo18-15-4 | – |
| 321 | S32100 | 1.4541 | – | SUS 321 | – | X6CrNiTi18-10 | – |
| 321H | S32109 | 1.4878 | – | SUS 321H | – | X12CrNiTi18-9 | – |
| 347 | S34700 | 1.4550 | 08Ch18N12B | SUS 347 | – | X6CrNiNb18-10 | – |
| 347H | S34709 | 1.4961 | – | SUS 347H | – | X6CrNiNb18-12 | – |
| 904L | N08904 | 1.4539 | STS 317J5L | SUS 904L | 904S13 | X1NiCrMoCu25-20-5 | Z2 NCDU 25-20 |
Stainless Steel Boiler Tubes Tolerances
The table below details the manufacturing tolerances for stainless steel boiler tubes, covering allowable deviations in dimensions and roundness.
| OD Tolerance: +0.005/-0 in. |
| Hardness: Maximum 80 HRB (Rockwell) |
| Wall Thickness: ±10% |
| Chemistry: Min. 2.5% Molybdenum |
Stainless Steel Boiler Tubes Manufacturing Process
The five steps involved in manufacturing Stainless Steel Boiler Tubes with precision and consistency.
1. Raw Material Selection
High-quality stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Tubes Formation
The selected raw material is formed into tubes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Tubes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working and Finishing
After heat treatment, tubes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every tube is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Stainless Steel Boiler Tubes
Stainless steel boiler tubes are primarily used in the power generation industry, especially in thermal and nuclear power plants for high-pressure steam boilers, superheaters, and heat exchangers. These tubes find applications in chemical processing plants, where they handle corrosive substances and high-temperature fluids, making them essential for efficient steam generation and heat transfer.
Oil and Gas Industry
Chemical and Petrochemical Industry
Food and Beverage Industry
Pharmaceutical & Biotechnology
Aerospace & Defense
Water and Wastewater Treatment
Construction and Architecture
Marine & Shipbuilding
Power Generation & Heat Exchange
FAQ's
What makes Stainless Steel Boiler Tubes suitable for high-pressure and high-temperature boilers?
What makes Stainless Steel Boiler Tubes suitable for high-pressure and high-temperature boilers?
Stainless steel boiler tubes are ideal for high-pressure, high-temperature applications due to their exceptional strength, corrosion resistance, and heat tolerance. Its high chromium content forms a protective oxide layer that prevents rust, while alloys like SS 310 and SS 330 maintain structural integrity at temperatures up to 1000°C and 1900°F, respectively. These tubes also offer excellent thermal efficiency, durability, and weldability, ensuring long service life and reliable performance in demanding environments.
How do thermal stresses affect Stainless Steel Boiler Tubes in industrial boilers?
How do thermal stresses affect Stainless Steel Boiler Tubes in industrial boilers?
Thermal stresses in stainless steel boiler tubes cause failures such as thermal fatigue cracking, stress corrosion cracking, and creep-fatigue damage, reducing tube reliability and lifespan. Rapid temperature changes create cyclic stresses that lead to cracking, while high temperatures promote creep and deformation. Residual and cyclic stresses, combined with corrosive environments or localized overheating, further accelerate failure, especially at welds and dissimilar metal joints where thermal expansion differences are significant.
What industries benefit most from Stainless Steel Boiler Tubes?
What industries benefit most from Stainless Steel Boiler Tubes?
Stainless steel boiler tubes are widely used in power generation, chemical and petrochemical processing, oil and gas, food and beverage, pharmaceutical, and marine industries for its strength, heat resistance, and corrosion protection. It ensures reliable performance in steam generation, chemical transfer, and high-pressure systems while maintaining hygiene and purity in food and pharmaceutical applications. Its durability and resistance to harsh or saline environments make it suitable for both industrial and marine use.
How do Stainless Steel Boiler Tubes differ from carbon steel boiler tubes?
How do Stainless Steel Boiler Tubes differ from carbon steel boiler tubes?
Stainless steel boiler tubes differ from carbon steel tubes in composition and performance. Stainless steel, rich in chromium and nickel, offers superior corrosion and temperature resistance, making it ideal for chemical, food, and pharmaceutical applications. Carbon steel, mainly composed of iron and carbon, provides higher strength at a lower cost but requires protective coatings to prevent rust, making it better suited for high-pressure systems where corrosion is controlled.
Which material is used for boiler tubes?
Which material is used for boiler tubes?
Boiler tubes are made from carbon steel, alloy steel, or stainless steel, depending on operating conditions. Carbon steel is affordable and suitable for low to medium pressures up to 500°F but prone to corrosion. Alloy steel, containing elements like chromium and molybdenum, offers higher strength and heat resistance for high-pressure boilers up to 1000°F. Stainless steel provides superior corrosion resistance for applications involving harsh chemicals or high temperatures.
What are the different types of boiler tubes?
What are the different types of boiler tubes?
Boiler tubes are mainly classified as water-tube and fire-tube types based on fluid flow. In water-tube boilers, water flows inside the tubes surrounded by hot gases, making them suitable for high-pressure power plant applications. In fire-tube boilers, hot gases pass through the tubes surrounded by water, ideal for low-pressure or smaller systems. Other types include superheater, economizer, and stay tubes used for steam heating, feedwater preheating, and structural support.
What is the chemical cleaning of boiler tubes?
What is the chemical cleaning of boiler tubes?
Chemical cleaning of boiler tubes involves circulating chemical solutions to remove scale, rust, and oil deposits, restoring heat transfer efficiency and preventing corrosion. Acid, alkaline, and chelating agents like hydrochloric acid, sodium hydroxide, and EDTA dissolve different types of buildup, while inhibitors protect the metal surfaces. This process improves boiler performance, cleans hard-to-reach areas, and extends equipment life by preventing damage and maintaining optimal efficiency.