Ranya Stainless, a leading manufacturer and supplier based in Muscat, Oman, specializes in top-notch Stainless Steel 347H Nuts that are built to excel in high-temperature and corrosive settings. These nuts are recognized for their enhanced carbon content and exceptional heat resistance, making them a reliable choice for durability, stability, and long-lasting performance in tough applications. Ranya Stainless prides itself on precision manufacturing, rigorous quality control, and compliance with global standards, ensuring that every SS 347H Nut boasts impressive strength, precise dimensions, and resistance to thermal fatigue. Their robust capabilities make them perfect for critical industries like petrochemical, power generation, chemical processing, and high-pressure piping systems.
The composition of Stainless Steel 347H Nuts primarily includes iron, chromium, and nickel, along with columbium and a higher carbon content that boosts strength at elevated temperatures. This unique blend offers remarkable resistance to intergranular corrosion and oxidation. On the mechanical side, SS 347H nuts deliver high tensile and yield strength, excellent creep resistance, and outstanding performance even under prolonged heat exposure. Their ability to maintain structural integrity, combined with reliable weldability and durability, makes them ideal for fastening applications that face intense thermal and mechanical stress.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347H | min. | 0.04 | – | – | – | – | 17.0 | 3.00 | 9.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.030 | 19.0 | 4.00 | 13.0 | – | |
| 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 | 40 | 92 | 201 |
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A corrosion-resistant product, Stainless Steel 347H nuts are available in sizes ranging from M6 to M64. They are designed for high-temperature applications, offering excellent creep resistance and stability in extreme conditions, suitable for aerospace and power generation industries.
A corrosion-resistant product, Stainless Steel 347H coupling nuts connect two male threads and come in sizes from M6 to M36. They provide high strength and thermal stability, making them ideal for high-temperature applications in industrial and aerospace settings.
A corrosion-resistant product, Stainless Steel 347H nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening under vibration, providing reliable performance in high-temperature environments where stability and security are crucial.
A corrosion-resistant product, Stainless Steel 347H flange hex nuts feature a built-in washer-like flange and come in sizes from M5 to M20. They offer enhanced load distribution and stability in high-temperature applications, ensuring durability and reliability.
A corrosion-resistant product, Stainless Steel 347H heavy hex nuts are larger and thicker, available in sizes from M10 to M48. They provide increased strength and thermal stability, making them suitable for heavy-duty and high-temperature industrial applications.
A corrosion-resistant product, Stainless Steel 347H square nuts have a larger surface area for contact, available in sizes from M6 to M30. They are ideal for high-temperature applications that require secure fastening in confined spaces and robust performance.
Stainless Steel 347H Nuts are packed in heavy-duty materials such as wooden boxes and pallets to prevent the nuts from external damage. Our product is hand-packed, and hence the Nuts are free from scratches or dents. The finished product reaches the client in excellent condition, and customers are consistently satisfied and impressed by the performance and long-lasting features of the Stainless Steel 347H Nuts.
These Stainless Steel 347H Nuts find extensive use in industries where high-temperature performance and corrosion resistance are non-negotiable. They’re commonly found in petrochemical refineries, boilers, superheaters, heat exchangers, and furnace components, thanks to their capacity to endure extreme heat. Power plants incorporate them in turbine assemblies, high-pressure piping, and exhaust systems. Chemical processing facilities depend on their stability in acidic and oxidizing environments. Moreover, these nuts are also suitable for food processing, pharmaceutical equipment, and aerospace applications, where hygiene, strength, and thermal reliability are essential for long-term functionality.
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