MERIH STAINLESS, located in Istanbul, Turkey, is a well-respected manufacturer and supplier of top-notch stainless steel products, specializing in a diverse array of industrial fasteners. Their Stainless Steel 347 Nuts are crafted with precision to ensure outstanding performance, reliability, and resistance to corrosion, even in tough conditions. Renowned for their durability and ability to withstand high temperatures, these nuts are produced under rigorous quality control to comply with international standards. MERIH STAINLESS guarantees that each nut provides consistent performance and a long lifespan, making them ideal for use in aerospace, chemical processing, power generation, and heavy engineering, where secure and dependable fastening is essential.
Stainless Steel 347 Nuts are constructed from a stabilized austenitic stainless steel alloy that contains about 17–19% chromium, 9–13% nickel, low carbon content (≤0.08%), and small amounts of niobium and titanium for stabilization. This unique composition helps prevent sensitization and offers excellent resistance to intergranular corrosion at elevated temperatures. In terms of mechanical properties, 347 Nuts boast high tensile strength (approximately 500–700 MPa), good yield strength (250–400 MPa), and remarkable toughness. Their heat and corrosion-resistant characteristics make them perfect for mechanical and structural applications that face stress in harsh environments.
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
347 | min. max | 2.00 | – | 0.045 | – 0.08 | 0.030 | 17.0 19.0 | – | 0.75 | 9.0 13.0 | Nb=10(C+N) 1.0 |
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 | ||||
347 | 515 | 205 | 40 | 92 | 201 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347 Nut |
IS BS ASTM |
ASTM A193 B8C |
3 mm to 200 mm |
M02 to M33 |
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A corrosion-resistant product, Stainless Steel 347 nuts are available in sizes from M6 to M64. They offer exceptional heat and oxidation resistance, ideal for high-temperature applications in aerospace and chemical processing industries.
A corrosion-resistant product, Stainless Steel 347 coupling nuts come in sizes from M6 to M36. They are designed to connect two male threads securely, providing high strength and stability in high-temperature and harsh industrial environments.
A corrosion-resistant product, Stainless Steel 347 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert helps prevent loosening under vibration, offering reliable performance in high-temperature applications.
A corrosion-resistant product, Stainless Steel 347 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide enhanced load distribution and stability in high-temperature and corrosive environments.
A corrosion-resistant product, Stainless Steel 347 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and strength make them suitable for heavy-duty and high-temperature applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 347 square nuts offer a larger contact surface and come in sizes from M6 to M30. They are ideal for high-temperature and heavy clamping applications, providing stability and durability.
We provide our customer with a high-quality stainless Steel 347 Nut with full transparency. All the products carry necessary documentations, which are commercial invoice packing list fumigation certificate; heat treatment chart of a test report from NABL-approved laboratory’s We also give EN10204 /3.1-b material test, PMI, and a report on radiography of 100%, along with our Third Party inspection report, to enable full documentation by which client can achieve complete satisfaction.
Stainless Steel 347 Nuts find extensive use in industries that demand high-temperature resistance, strength, and protection against corrosion. They are frequently utilized in chemical plants, boilers, pressure vessels, heat exchangers, and exhaust systems, where they endure prolonged exposure to high temperatures and aggressive conditions. Moreover, 347 Nuts are employed in aerospace, power generation, petrochemical, and marine sectors, ensuring secure fastening even under mechanical stress, vibrations, and thermal cycling. Their durability, stability, and resistance to harsh environments make them a reliable choice for various applications.
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