Andre Stainless is a reliable manufacturer and supplier of Stainless Steel 348H Tubing based in Pulau Ujong, Singapore. They specialize in providing high-quality tubing solutions that are specifically designed to withstand elevated temperatures and pressures. Thanks to their advanced manufacturing techniques and strict quality controls, Andre Stainless guarantees exceptional durability, precise dimensions, and outstanding corrosion resistance in every product they offer. Their Stainless Steel 348H tubing is well-known for its superior performance in high-temperature applications, making it a top choice in industries like chemical, petrochemical, heat exchangers, and power generation. Customers throughout Singapore trust Andre Stainless for their consistent supply, expert technical support, and customized tubing solutions.
The Stainless Steel 348H Tubing from Andre Stainless features a well-balanced mix of chromium (17–20%), nickel (8–12%), and columbium (niobium), along with a higher carbon content that enhances its strength at high temperatures. It boasts a tensile strength of around 550 MPa and a yield strength of 240 MPa, along with excellent creep resistance. The columbium stabilization not only improves resistance to intergranular corrosion but also ensures reliable performance during thermal cycling. This alloy retains its mechanical properties even at temperatures exceeding 800°F (427°C), making it perfect for environments that experience prolonged heat and pressure.
| Sizes: | 1/8″ to 24″ |
| ASTM A312 Steel grades: | TP304/304L/304H |
| ASTM A312 Schedules: | STD, XS, XXS, SCH5S, SCH10/10S, SCH20, SCH30, SCH40/40S, SCH60, SCH80/80S, SCH100, SCH120, SCH140, SCH160 |
| Standards: | ASTM A312, ASME SA312 |
| Lengths: | SRL and DRL 5meters up to 11meters available from Stock or Production. |
| Ends: | Plain/Bevelled |
| AISI 348H Chemical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Cb | Co | Ta |
| 0.08 Max | 2.00 Max | 0.045 Max | 0.030 Max | 1.00 Max | 17.0-20.0 | 9.0-13.0 | 1.10 Max | 0.20 Max | 0.10 Max |
| Yeild strength | Tensile strength | Elongation | Reduction |
| Min 0.2% Mpa | Min Mpa | Min % | Min % |
| 205 | 515 | 30 | 50 |
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You’ll find Stainless Steel 348H Tubing widely used in situations that require resistance to heat, stress, and corrosive environments. Common applications include heat exchangers, boiler components, superheaters, furnace parts, and nuclear reactor systems. It’s also a go-to material in the chemical and petrochemical industries where high-temperature service is crucial. Thanks to its durability, formability, and excellent weldability, SS 348H tubing is perfect for critical systems that demand structural reliability and long-lasting performance under extreme thermal cycling and mechanical loads.
This tubing is seamless, available in various sizes with precise dimensions. It offers excellent corrosion resistance suitable for high-temperature applications.
Welded for structural integrity, available in a range of sizes. Known for its robust construction and corrosion resistance, ideal for industrial applications.
Designed specifically for heat transfer applications, available in customized sizes. Offers superior resistance to corrosion and thermal stress.
Precision tubing with controlled dimensions for instrumentation and control systems. Provides high corrosion resistance and reliability in sensitive environments.
Engineered for high-pressure boiler systems, available in standard and custom sizes. Resistant to corrosion and oxidation, ensuring long-term performance.
U-shaped tubes used in heat exchangers and condensers, available in diverse dimensions. Offers excellent resistance to corrosion and stress cracking.
Specifically designed for condenser applications, available in various diameters. Provides superior corrosion resistance and heat transfer efficiency.
Tubes with extended surface area for enhanced heat transfer efficiency, available in multiple configurations. Offers exceptional resistance to corrosion and oxidation.
Manufactured by Andre Stainless in Pulau Ujong, the Stainless Steel 348H Tubing is widely used in applications that demand stability at high temperatures and strong corrosion resistance. Typical applications include heat exchangers, boilers, furnace components, superheater tubes, and exhaust systems. It’s also employed in nuclear power plants, refineries, and chemical processing facilities where thermal stress and corrosion resistance are crucial. The tubing’s durability and resistance to oxidation make it an excellent choice for challenging industrial applications, ensuring a long service life and minimal maintenance even in harsh operating conditions.
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