Ranya Stainless, a reputable manufacturer and supplier located in Muscat, Oman, specializes in top-notch Stainless Steel 347H Flanges that are perfect for high-temperature and corrosive industrial settings. These flanges are crafted with enhanced carbon content to boost creep strength, ensuring they deliver exceptional durability, structural integrity, and resistance to thermal fatigue. Ranya Stainless adheres to rigorous manufacturing standards, guaranteeing precision, reliability, and a long lifespan for every product. Their SS 347H Flanges are the go-to choice for critical piping systems, petrochemical operations, power plants, and engineering projects that demand consistent performance under extreme heat, pressure, and corrosive environments, making them a favorite across various industries.
The composition of Stainless Steel 347H Flanges primarily includes iron, chromium, and nickel, along with added columbium and a higher carbon content to enhance high-temperature strength. This improved formulation provides remarkable resistance to intergranular corrosion and oxidation. On the mechanical side, SS 347H flanges boast high tensile and yield strength, excellent creep resistance, and reliable performance even when exposed to elevated temperatures for extended periods. Their outstanding thermal stability, coupled with durability and weldability, makes them ideal for challenging applications that involve intense heat, pressure variations, and corrosive substances.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| 347H | 0.08 | 2.0 | 1.0 | 0.045 | 0.030 | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 35 | 92 | 201 |
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SS 347Hsocket weld flanges, manufactured from stainless steel alloy 347H, ensure secure pipe connections with enhanced corrosion resistance and high-temperature strength, suitable for high-pressure systems in various industries.
SS 347H ring type joint flanges, constructed from stainless steel alloy 347H, provide leak-proof connections with excellent corrosion resistance and high-temperature performance, ideal for high-pressure and critical service applications.
SS 347H forged flanges, made from stainless steel alloy 347H, offer superior strength, excellent corrosion resistance, and high-temperature endurance, making them ideal for demanding industrial applications and high-pressure environments.
We conduct various rigorous tests, including dimensional, mechanical, and chemical analysis, to ensure the highest quality of our Stainless Steel 347H Flanges. Our in-house quality control team oversees all processes, complemented by third-party inspections to guarantee compliance with industry standards. With a commitment to prompt delivery we ensure that our clients receive their products on time, every time.
Stainless Steel 347H Flanges find extensive use in industries where components need to endure prolonged high-temperature service and harsh conditions. They’re commonly found in petrochemical refineries, boilers, superheaters, heat exchangers, and furnace systems due to their robust resistance to oxidation and thermal fatigue. Power generation plants rely on them heavily for high-pressure pipelines, turbine systems, and exhaust lines. Additionally, they perform effectively in chemical processing, pharmaceutical manufacturing, and food processing equipment, where reliability, hygiene, and structural integrity are crucial. Their durability and stability make them an essential choice for these demanding applications.
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