Home > Forged Fittings > Stainless Steel 348/348H Forged Fittings
Ranya Stainless, based in Muscat, Oman, is a reliable manufacturer and supplier known for delivering premium stainless steel products tailored to meet demanding industrial requirements. Specializing in Stainless Steel 348/348H Forged Fittings, the company focuses on providing components that combine strength, precision, and long-lasting performance. With advanced production equipment, strict quality control, and a commitment to customer satisfaction, Ranya Stainless ensures each fitting meets international standards. Over the years, the company has built a strong reputation for consistent quality, timely delivery, and dependable service, making it a trusted source for forged fittings across Oman and neighboring regions.
Stainless Steel 348/348H Forged Fittings are made from a stabilized austenitic alloy containing chromium, nickel, and niobium, offering excellent resistance to intergranular corrosion. The 348H grade includes a higher carbon content, improving high-temperature strength and creep resistance. These fittings provide strong tensile and yield strength, good toughness, and stability under elevated temperatures. Their composition ensures resistance to oxidation, thermal fatigue, and scaling. Stainless Steel 348/348H retains excellent weldability and formability, making the fittings suitable for applications requiring durable performance, heat resistance, and reliable mechanical stability over long service periods.
| 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 Ranya 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 are widely used in industries where high-temperature performance, corrosion resistance, and structural reliability are essential. They are commonly utilized in heat exchangers, furnace components, petrochemical systems, and chemical processing equipment due to their stability under thermal stress. These fittings are also ideal for power generation plants, aerospace components, and automotive exhaust systems. Their durability and resistance to oxidation make them suitable for applications involving extreme heat and fluctuating temperatures. Additionally, they are used in food processing and pharmaceutical equipment, where hygiene, cleanliness, and material stability play an important role in long-term performance.







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