Njabulo Stainless is a renowned manufacturer and supplier of high-quality stainless steel products, a company in Cape Town, South Africa. With extensive specialization across the entire gamut of stainless steel grades and alloys, it is producing excellent products, including Stainless Steel 348H Tubing. we services multiple industries, and one is very conscious about using hard-wearing, reliable solutions with international standards with a determination towards excellence and client satisfaction. Through this expertise, we achieve the best quality with regard to any product, regarding precision and performance.
Stainless steel 348H tubing, austenitic chromium-nickel steel, columbium (Cb) stabilizers to prevent carbide precipitation. Its composition is typically 17-19% chromium, 9-13% nickel, and 0.04-0.10% columbium, with modifications such as manganese and silicon. Properties include resistance to corrosion, high temperature oxidation and creep, making it suitable for high pressure applications. Benefits include improved performance in nuclear reactors, chemical plants and high-temperature environments through higher temperatures and increased productivity.
| 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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We maintains the maximum quality levels by conducting a serious testing and testing certification process to ensure Stainless Steel 348H Tubing quality. Each of the products, before they reach the customers’ doorstep, will undergo proper tests including dimensional verification, chemical analysis, and some mechanical testing procedures. The respective company issues an MTR ensuring the material conformity to international norms and specifications.
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.
Stainless steel 348H tubing is widely used at high temperatures due to its excellent resistance to intergranular corrosion. It is commonly used in the pharmaceutical, petrochemical, power generation and aerospace industries. Tubing is ideal for heat exchangers, boilers, reactors and condensers, where resistance to oxidation and carburization is required. The ability to withstand extreme temperatures makes it suitable for use in furnace appliances, air filters, and hot humid environments Stainless steel 348H tubing provides durability and portability reliable under harsh operating conditions.
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