Nguyen Fittings and Plates, Da Nang, Vietnam, is a prominent supplier of Stainless Steel 348 Pipe Fittings, designed for maximum high-temperature strength and service life. Fabricated in full accordance with ASTM A403 and ASME B16.9, these fittings—inclusive of elbows, reducers, and tees—are fabricated from heat-resistant 348 alloy. Our careful forging and finishing guarantee dimensional precision and uniform quality, benefiting chemical, petrochemical, and energy industries in challenging thermal conditions.
| 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 has 18% chromium, 11% nickel, 0.5% niobium, and up to 0.08% carbon, wherein niobium stabilizes the alloy with respect to carbide precipitation. It offers tensile strength ~515 MPa, satisfactory creep resistance, and structural integrity up to 900 °C. It is resistant to sensitization in service at elevated temperatures and maintains oxidation resistance under extended thermal exposure.
| 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 |
Nguyen Fittings one of the largest suppliers of Stainless Steel 348 Pipe Fittings in Da Nang, Vietnam. 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 Vietnam.
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 Nguyen 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@nguyenfittings.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 |
348 pipe fittings can be used in superheater and reheater lines, boiler outlets, furnace ducts, and chemical processing pipes. Power plants, refinery houses, and high-temperature engineering plants use the alloy for its stability and longevity. The durability of the alloy during harsh thermal cycling ensures it is a trustworthy option for key high-temperature infrastructure.
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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