Teerasil Fittings and Plates, a Bangkok-based Thai company, is a trustworthy manufacturer and exporter of high-quality piping equipment, including **Stainless Steel 348 pipe fittings**. These fittings are used in high-temperature and corrosive service conditions and provide excellent intergranular corrosion resistance and good mechanical strength. Stainless Steel 348 is a niobium-stabilized austenitic stainless steel, which is akin to 347 but developed for applications where the piping is subjected to continuous exposure to high pressure and heat. Teerasil guarantees that all fittings are in line with international standards such as ASTM A403, catering to industries like chemical processing, power generation, aerospace, and petrochemical with reliable, high-quality products.
| Grades | 201, 202, 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Size | ½”NB to 48″NB in |
| Schedule | Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
Stainless Steel 348 pipe fittings are produced using a chromium-nickel austenitic stainless steel stabilized by niobium (columbium) to avoid precipitation of carbides during welding and elevated temperature service. The average chemical content is 17–20% chromium, 9–13% nickel, and trace amounts of niobium to stabilize. These fittings possess mechanical properties including tensile strength of approximately 515 MPa and yield strength of about 205 MPa. They retain structural stability, oxidation resistance, and corrosion protection up to a temperature of 870°C, thus being suitable for high-temperature operations.
| Element | Content (%) |
|---|---|
| Iron, Fe | 66 |
| Chromium, Cr | 19 |
| Nickel, Ni | 11 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Nb + Ta | 0.8 |
| Cobalt, Co | 0.2 |
| Tantalum, Ta | 0.60-1.00 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8 g/cm3 | 0.289 lb/in³ |
| Melting point | 1427°C | 2600°F |
Teerasil Fittings one of the largest suppliers of Stainless Steel 348 Pipe Fittings in Bangkok, Thailand. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 348 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 348 Pipe Fittings in the Thailand.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 348 Pipe Fittings from Teerasil Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength (@ strain 0.200%) | 275 MPa | 39900 psi |
| Izod impact | 120 – 160 J | 88.5 – 118 ft-lb |
| Charpy impact | 160 J | 118 ft-lb |
| Shear modulus (typical for steel) | 77.0 GPa | 11200 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 45% | 45% |
| Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
| Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
SS 348 Pipe Fittings offer excellent resistance to intergranular corrosion, particularly after welding, thanks to the addition of titanium. This makes them ideal for high-temperature and pressure applications in industries like chemical processing, aerospace, and power generation. They maintain their strength and durability at elevated temperatures, ensuring long-lasting performance. Stainless Steel 348 also provides excellent oxidation resistance, making it suitable for harsh environments. With good weldability and formability, these fittings are easy to fabricate and ensure reliable, efficient operation in demanding industrial conditions.
Yes, custom sizes are available for Stainless Steel 348 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@teerasilfittings.com.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient ( @ 0-100°C/32-212°F) | 17.3 µm/m°C | 9.61 µin/in°F |
| Thermal conductivity (@ 100°C/212°F) | 16.3 W/mK | 113 BTU in/hr.ft².°F |
Stainless Steel 348 pipe fittings find extensive applications in corrosive and high-temperature conditions in many industries. They are employed in piping systems for aggressive fluids and high-temperature processes in chemical and petrochemical plants. They are also applied in heat exchangers, boiler components, and superheater tubes for power generation purposes because they possess strength and thermal stability. They are also utilized in aerospace, refinery equipment, and food processing industries where cleanliness and scaling resistance are critical. They provide long-term reliability, corrosion resistance, and high-performance operating conditions in extreme service conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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