Tim Fittings stands out as a top-notch manufacturer and supplier of Stainless Steel 348/348H Forged Fittings right in Wellington, New Zealand. They’ve built a solid reputation for delivering high-quality products across various industries. With years of experience under their belt and a strong dedication to excellence, Tim Fittings provides forged fittings that not only meet international standards but also cater to specific customer needs. These Stainless Steel 348/348H Forged Fittings are expertly designed to thrive in high-temperature and corrosive environments, making them perfect for demanding applications. At Tim Fittings, they prioritize quality assurance, precision engineering, and timely delivery, which has earned them a trusted spot in the stainless steel sector.
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Stainless steel 348/348H forged fittings are made of durable austenitic stainless steel, consisting mainly of iron, chromium (approximately 18-20%), nickel (8-10%) and traces of niobium (0.5%).This Composition Excellent resistance to intergranular corrosion, high temperature oxidation, good weldability is provided. The product is generally used in applications involving high temperatures (up to 1600°F/870°C). Technical features include high tensile strength, typically around 75,000 psi, and excellent strength. The high-carbon 348H provides excellent strength at high temperatures, making it ideal for power plants and petrochemical plants.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 348/348H | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 10 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
The Stainless Steel 348/348H Forged Fittings from Tim Fittings are made from a stabilized austenitic stainless steel alloy, primarily featuring chromium (17-20%) and nickel (8-11%), with a touch of columbium (niobium) to boost stability. The 348H grade has a higher carbon content, which enhances its strength at elevated temperatures. These fittings are known for their impressive resistance to intergranular corrosion and boast high mechanical strength. They have a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 35%. This blend of mechanical durability and chemical stability makes them perfect for extreme conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choose Stainless Steel 348/348H Forged Fittings from Tim Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Stainless steel 348/348H forged fittings offer many advantages, including superior resistance to intergranular corrosion especially in high temperature environments Stable alloy and niobium ensure improved strength and weldability, making it ideal for rugged applications as power plants and petrochemical industries without losing its mechanical properties are designed to withstand temperatures up to 1600°F (870°C) temperature. High tensile strength, excellent durability, and resistance to oxidation and scaling make it durable and reliable. Furthermore, its corrosion resistance enhances durability and maintenance-free operation in harsh industrial environments.
Yes, custom sizes for Stainless Steel 348/348H Forged Fittings are available at Tim Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@timfittings.co.nz
Tim Fittings’ Stainless Steel 348/348H Forged Fittings are widely utilized in various sectors, including petrochemical, power generation, oil and gas, pharmaceuticals, and food processing. Their outstanding resistance to heat and corrosion makes them ideal for high-temperature applications, particularly in pressure vessel and heat exchanger systems. In refineries and chemical plants, these forged fittings consistently perform well under varying pressures and temperatures. Plus, their strength and durability make them suitable for marine and aerospace components. Tim Fittings guarantees that each fitting is meticulously engineered to meet rigorous industrial safety standards.
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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