Home > Forged Fittings > Stainless Steel 348/348H Forged Fittings
Emilio Stainless, a top-notch manufacturer and supplier located in Manila, Philippines, specializes in high-quality Stainless Steel 348/348H Forged Fittings, perfect for high-temperature and corrosive settings. Crafted from stabilized austenitic stainless steel with columbium and tantalum, these fittings boast impressive resistance to intergranular corrosion and oxidation. The 348H variant, with its higher carbon content, enhances creep strength and durability when exposed to prolonged heat. With a commitment to precision engineering, superior dimensional accuracy, and adherence to global quality standards, Emilio Stainless provides fittings that are ideal for industries such as chemical processing, oil and gas, power generation, and heat treatment equipment.
Stainless Steel 348/348H Forged Fittings mainly consist of 17–19% chromium, 9–13% nickel, and niobium (columbium) to prevent carbide precipitation. The “H” grade features a higher carbon content (up to 0.10%) to boost high-temperature strength and creep resistance. These fittings showcase a tensile strength of around 515 MPa, yield strength of about 205 MPa, and impressive elongation properties. They perform exceptionally well under thermal cycling and corrosive conditions, offering excellent weldability, oxidation resistance, and dimensional stability, making them suitable for critical high-temperature and pressure systems.
| STANDARD | Stainless Steel 348/348H Forged Fittings |
| EN | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| UNS | S31603 |
| WERKSTOFF NO. | 1.4404 / 1.4435 |
| AFNOR | Z7CND17‐11‐02 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
| 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 % |
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At Emilio Stainless, all stainless steel 348/348H forged fittings are rigorously tested to ensure they meet international quality standards. Each product is tested for durability, corrosion resistance and high temperature performance. Accredited by recognized authorities, we issue Material Testing Reports (MTRs) for our fittings, ensuring reliability and customer confidence with every purchase.
Corrosion-resistant and ideal for high-temperature applications, these fittings provide robust, leak-proof connections. Common sizes range from ½” to 4″ in diameter. Socket weld fittings are used in industries like chemical processing and petrochemicals for their strength and reliability.
Offering excellent corrosion resistance, these fittings are designed for high-stress and high-temperature applications. Available sizes typically range from ¼” to 2″ in diameter. They ensure secure and leak-free connections and are ideal for use in oil and gas industries.
Highly resistant to corrosion, this elbow facilitates changes in direction with a 45-degree bend. Standard sizes range from ½” to 4″ in diameter. It redirects its flow in pipelines, especially in chemical and petrochemical industries.
Featuring superior corrosion resistance, this tee allows for branching off a main line. Sizes generally range from ¼” to 2″ in diameter. They are commonly used in high-temperature and high-pressure environments, ensuring durability and reliability in critical applications.
Known for its corrosion resistance, this half coupling is used to join pipes or tubes of the same diameter. Typical sizes range from ¼” to 2″ in diameter. It is essential for creating extensions or connections in industrial piping systems.
Corrosion-resistant and durable, this cross-fitting allows four-way connections in piping systems. Available in sizes from ½” to 4″ in diameter. It’s used in complex pipeline networks to facilitate multiple branch connections, especially in chemical and petrochemical industries.
Stainless Steel 348/348H Forged Fittings find extensive use in environments that require exceptional thermal and corrosion resistance. They are commonly used in heat exchangers, superheaters, boiler assemblies, exhaust systems, and reactor vessels. In industries like petrochemical, power generation, and chemical processing, these fittings guarantee reliable performance in both oxidizing and carburizing atmospheres. Their strength and corrosion resistance make them perfect for steam piping, pressure vessels, and high-stress applications.
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