Ed Stainless Manufacturer and Suppliers has built a solid reputation in Houston, Texas, USA, for providing top-notch stainless steel fasteners, including their renowned Stainless Steel 321 Nuts. As a prominent player in the manufacturing and supply sector, Ed Stainless focuses on creating nut solutions that are both corrosion-resistant and heat-resistant, perfectly suited for high-performance industrial applications. With a strong dedication to quality, durability, and customer satisfaction, the company guarantees that each product adheres to international standards and specifications. Their Stainless Steel 321 Nuts are favored across various industries thanks to their impressive mechanical strength and resistance to intergranular corrosion. Ed Stainless is consistently raising the bar in stainless steel fastener production throughout Texas and beyond.
The Stainless Steel 321 Nuts produced by Ed Stainless in Texas are primarily made up of chromium (17–19%), nickel (9–12%), and titanium (at least five times the carbon content), which provides exceptional resistance to high-temperature oxidation and intergranular corrosion. These nuts boast remarkable mechanical properties, including a tensile strength of about 515 MPa and a yield strength of roughly 205 MPa. They maintain their toughness even in cryogenic and elevated temperatures, making them perfect for challenging environments. The addition of titanium enhances their structural integrity, making Ed Stainless’s 321 Nuts a dependable choice for applications where precision is critical.
| 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.
Ed 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.
Ed Stainless’s Stainless Steel 321 Nuts are widely utilized in high-temperature and corrosive settings where performance and durability are essential. Typical applications include exhaust systems, heat exchangers, pressure vessels, chemical processing equipment, and components for jet engines. Their outstanding oxidation resistance and mechanical stability make them ideal for industries such as aerospace, marine, petrochemical, and pharmaceuticals. These nuts are also perfect for expansion joints, refinery piping systems, and furnace components. Ed Stainless ensures that every 321 Nut meets rigorous industry standards.







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