Akor Stainless is a reputable manufacturer and supplier of Stainless Steel 321 Nuts located in Abuja, Nigeria. They specialize in providing top-notch fastening solutions that are designed to perform exceptionally well in high-temperature and corrosive settings. With state-of-the-art manufacturing facilities and a rigorous quality assurance process, Akor Stainless guarantees precision threading, accurate dimensions, and outstanding durability in every nut they produce. Their SS 321 Nuts are perfect for demanding industries like petrochemical, aerospace, marine, and power generation. Built to endure thermal cycling and chemical exposure, these fasteners offer long-lasting reliability for both structural and mechanical assemblies across various engineering applications.
Stainless Steel 321 Nuts are titanium-stabilized austenitic alloys made up of roughly 17–19% chromium, 9–12% nickel, and small amounts of titanium (up to 0.7%) to prevent carbide precipitation. This material boasts excellent resistance to intergranular corrosion and oxidation at temperatures up to 870°C. These nuts have a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. The alloy retains its toughness even at sub-zero and elevated temperatures, ensuring dimensional stability, creep resistance, and mechanical reliability under continuous stress and exposure to high thermal conditions.
| Specifications Of | 321 Stainless Steel Nuts |
|---|---|
| Length Sizes | 3 millimeter to 200 millimeter |
| Head Type | Hex, Square |
| Standard | ASME B18.2.2 ASME B16.5 ASME B18.5 ANSI B 18.2.4 2M DIN = DIN 931, DIN 933, DIN 934, DIN 970 ISO = ISO 4033, ISO 4032, JIS UTS = UNF, NPTF, NPT, UNC, UNEF, UNS |
| Surface Coating | Hot Dipped Galvanizing Coated Bolts Phosphate Coated Bolts Zinc Coated Bolts Cadmium Coated Bolts Teflon Coated Bolts Xylon Coated Bolts |
| Type Of Nuts | Coupling Nuts, Nylon Insert Nuts, Flange Hex Nuts, Heavy Hex Nuts, Square Nuts |
|
Grade |
Mn |
N |
P |
C |
S |
Cr |
Mo |
Si |
Ni |
Other |
|
|
321 Stainless Steel Nuts |
minimum maximum |
2.00 |
0.10 |
0.045 |
– 0.08 |
0.030 |
17.0 19.0 |
– |
0.75 |
9.0 12.0 |
Ti=5(C+N) 0.70 |
|
Grade |
Tensile Strength (MPa) minimum |
Yield Strength 0.2% Proof (MPa) minimum |
Elongation (% in 50mm) minimum |
Hardness |
|
|
Rockwell B (HR B) maximum |
Brinell (HB) maximum |
||||
|
321 Stainless Steel Nuts |
515 |
205 |
40 |
95 |
217 |
Contact us to get a quick quote for your requirement.
An ideal corrosion resistant material for high humidity environments. Stainless steel 321 nuts are available in sizes from M6 to M36 and are used in aerospace and chemical applications, providing excellent oxidation resistance and durability
The stainless steel 321 coupling nuts are designed to hold threaded rods together under extreme conditions. Sizes range from M6 to M36, making it suitable for high-temperature aerospace and medical applications where reliability is critical.
The stainless steel 321 nylon insert nuts have a nylon insert for a secure fastening. Available in sizes from M6 to M24, they offer stability and resistance to high temperatures, and are ideal for use in industrial appliances and air filters.
Stainless steel 321 flange hex nuts for enhanced weight distribution with integrated flanges. Sizes range from M6 to M24, making it perfect for hot temperature environments, such as chemical processing and aerospace applications.
The heavy duty stainless steel 321 hex nuts are designed for high pressure, high temperature applications. Available in sizes from M6 to M36, they are used in applications requiring high strength and thermal stability, including aerospace and chemical applications
Stainless steel 321 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, making them suitable for hot and humid environments, such as in chemical processing and industrial machinery.
Akor Stainless provides nuts made of stainless steel 321, which assures consistent performance. The materials undergo an extensive series of tests, including hardness testing, spectro analysis, PMI, and flaring tests. We further undertake micro and macro tests, pitting resistance, and IGC tests for superior quality in every material we deliver. Apart from these strict testing procedures, we give full documentation which includes commercial invoices, packing lists containing the net and gross weight, box number, and labels. The legalized or attested Certificate of Origin along with Third-Party Inspection Certificates assures full assurance about our commitment towards superior products and unmatched customer satisfaction.
Stainless Steel 321 Nuts are widely utilized in applications that demand robust, heat-resistant fastening components. They are particularly suited for chemical plants, refineries, and high-temperature exhaust systems in both the automotive and aerospace sectors. In power plants, these nuts are essential for boilers, turbines, and heat exchangers, where resistance to scaling and oxidation is crucial. The marine and offshore industries also rely on these nuts for assemblies that face saline or humid conditions. Furthermore, they find applications in food processing, furnace construction, and gas pipelines.
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