Devang Fittings, a Kolkata, India-based company, is a top manufacturer and distributor of Stainless Steel 348/348H Forged Fittings, which are renowned for delivering high performance and accurately engineered piping fittings. Our forged fittings are made from high-quality stainless steel and are built to excel in high-temperature and high-pressure applications. Stainless Steel 348/348H offers superior corrosion resistance along with high mechanical strength, which makes it applicable for rigorous duties in the power generation, chemical, and petrochemical processes. At Devang Fittings, we emphasize regular quality, dimensional tolerance, and on-time delivery, providing consistent forged fittings to international standards and fulfilling modern industrial operations’ technical requirements.
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 and 348H are stabilized austenitic stainless steel alloys that contain chromium (17–20%), nickel (8–11%), and columbium (niobium) addition for enhanced intergranular corrosion resistance. The “H” grade has greater carbon content, improving high-temperature strength. These alloys have a tensile strength of around 515 MPa, yield strength of 205 MPa, and elongation of 35%. They are characterized by excellent toughness properties at high temperatures and possess good resistance to oxidation and creep. Stainless Steel 348/348H Forged Fittings are particularly suitable for applications needing strength, stability, and resistance to corrosion under prolonged exposure to heat.
| 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 % |
Devang Fittings is a leading supplier of Stainless Steel 348/348H Forged Fittings in Kolkata, India. We offer an extensive range of Stainless Steel 348/348H Forged Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
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 Devang Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Yes, custom sizes for Stainless Steel 348/348H Forged Fittings are available at Devang Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@devangfittings.co.in
Stainless Steel 348/348H Forged Fittings are mainly employed in high-pressure and high-temperature systems where corrosion resistance and mechanical integrity are necessary. These fittings are especially found to be useful in heat exchangers, boilers, pressure vessels, and superheaters of power generation and chemical processing plants. Owing to their resistance to intergranular corrosion and thermal fatigue, they are also applied to aerospace parts, nuclear reactor use, and refinery piping. Their superior strength and endurance render them particularly suitable for thermal cycling-exposed systems and corrosive media. They guarantee long life, safety, and performance in harsh and critical industrial environments.
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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