Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 347 Nuts, engineered for applications requiring excellent corrosion resistance, high-temperature strength, and long-term durability. These nuts are ideal for industrial, chemical, and power-generation assemblies exposed to elevated temperatures and harsh environments. At Walid Stainless, every nut is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 347 Nuts for secure, reliable, and long-lasting fastening solutions, making them a preferred choice for demanding industrial and high-temperature projects.
Stainless Steel 347 Nuts are made from a titanium-stabilized austenitic stainless steel alloy containing approximately 17–19% chromium, 9–13% nickel, and low carbon content. Titanium stabilization prevents sensitization and enhances corrosion resistance, particularly at elevated temperatures. These nuts typically exhibit tensile strength between 550–700 MPa and hardness around 180–220 HB. The austenitic structure ensures excellent mechanical durability, creep resistance, and dimensional stability under thermal and mechanical stress. 347 Nuts are suitable for industrial, chemical, and high-temperature fastening applications requiring long-term reliability and resistance to oxidation and corrosion.
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 are widely used in industries requiring high-temperature, corrosion-resistant, and durable fastening solutions. They are ideal for boilers, heat exchangers, chemical processing equipment, power-generation machinery, and structural assemblies exposed to elevated temperatures and aggressive environments. The titanium-stabilized austenitic structure ensures long-term dimensional stability, mechanical reliability, and resistance to stress corrosion and oxidation. Engineers and technicians rely on 347 Nuts for safe, secure, and consistent fastening performance. Walid Stainless ensures that each nut meets strict quality standards, providing dependable materials for chemical, power, and industrial projects requiring exceptional strength, durability, and corrosion resistance.
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