MERIH STAINLESS, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of high-quality stainless steel products, particularly Stainless Steel 309 Nuts tailored for the Dubai, UAE market. Known for their precision engineering and durability, the company expertly blends advanced manufacturing techniques with strict quality controls to produce nuts that adhere to international standards. With a strong dedication to excellence, MERIH STAINLESS caters to a diverse array of industrial sectors, providing reliable fastening solutions for demanding applications. Their wealth of experience and customer-centric approach make them a go-to partner for businesses in search of premium stainless steel fasteners that promise both performance and longevity.
Stainless Steel 309 Nuts are primarily made up of iron, chromium (about 23–25%), and nickel (12–15%), which gives them outstanding resistance to oxidation and high temperatures. They boast impressive mechanical properties, including a tensile strength of roughly 580–750 MPa, yield strength around 215–310 MPa, and hardness levels between 80–95 HRB. These nuts are known for their exceptional corrosion resistance, thermal stability up to 1,100°C, and good toughness, making them perfect for critical applications in tough environments where strength and reliability are a must.
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.
You’ll find Stainless Steel 309 Nuts commonly used in high-temperature and corrosive settings, such as chemical processing plants, power generation facilities, petrochemical industries, and automotive applications. Their ability to resist oxidation and scaling makes them ideal for furnace, boiler, and exhaust system assemblies. Moreover, they play a vital role in construction projects, marine equipment, and food processing machinery, where hygiene, durability, and strength are paramount. These nuts ensure secure fastening in challenging industrial conditions, promoting operational safety and longevity while maintaining performance under extreme thermal and chemical stress, making them essential components across various engineering fields.
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