Ranya Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 309 Nuts based in Muscat, Oman. They offer durable and dependable fastening solutions tailored for high-temperature and industrial applications. The company specializes in precision-engineered 309 nuts that adhere to international standards, guaranteeing outstanding strength, corrosion resistance, and long-lasting performance. These nuts find their place in various sectors, including chemical, petrochemical, power generation, furnace, and heat treatment industries, where secure fastening is crucial. Ranya Stainless is committed to ensuring that each 309 nut provides operational reliability and superior performance, making them a go-to choice for demanding industrial settings across Oman and the Middle East.
Stainless Steel 309 Nuts are crafted from high-alloy austenitic stainless steel, enriched with chromium and nickel, which grants them remarkable resistance to oxidation, scaling, and corrosion even at elevated temperatures. This unique alloy composition ensures they possess high tensile and yield strength, toughness, and mechanical durability under extreme conditions. These nuts are designed to withstand thermal fatigue and structural deformation, making them perfect for high-temperature and high-stress applications. Whether in furnaces, kilns, heat exchangers, or high-temperature piping systems, 309 nuts provide secure, long-lasting, and corrosion-resistant fastening solutions essential for critical industrial operations.
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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An ideal corrosion resistant material for high humidity environments. Stainless steel 309 nuts are available in sizes from M6 to M36, perfect for furnace parts, heat exchangers and industrial applications requiring high thermal resistance.
Stainless steel 309 coupling nuts are used to connect threaded cables under high temperature conditions. Sizes range from M6 to M36, making them suitable for use in furnace parts and heat exchangers, providing durability and heat resistance.
Stainless steel 309 nylon insert nuts make nylon inserts flexible for secure fastening in high temperature environments. Available in sizes from M6 to M24, they are ideal for applications in heat exchangers and industrial furnaces where stability is required.
Stainless steel 309 flange hex nuts for enhanced weight distribution with integrated flanges. Sizes range from M6 to M24, suitable for high temperature applications such as furnace components and heat exchangers, providing both strength and thermal resistance
Heavy duty stainless steel 309 hex nuts are designed for high pressure, high temperature applications. Available in sizes from M6 to M36, they are used in industrial machinery and furnace components, and offer exceptional strength and heat resistance.
Stainless steel 309 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, making them suitable for hot environments such as heat exchangers and furnace parts, making them strong and durable.
We ensure complete documentation for our Stainless Steel 309 Nuts to make them transparent and reliable. Documents include a commercial invoice, a packaging list, a fumigation certificate, a heat treatment chart, and a quality assurance plan. It is accompanied by an NABL-approved lab test report, which satisfies stringent standards. Our commitment to quality is supported by various test certificates, like MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and a Third-Party Inspection Certificate. These measures will collectively guarantee 100% client satisfaction and confidence in the integrity of our products.
Stainless Steel 309 Nuts are extensively utilized in industries that demand high-strength, heat-resistant, and corrosion-resistant fasteners. They excel in high-temperature piping systems, boilers, furnaces, kilns, and heat exchangers found in chemical, petrochemical, and power generation plants. Moreover, 309 nuts are also used in metallurgy, food processing, and manufacturing applications where secure, leak-proof, and durable fastening solutions are a must.
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