Weston Stainless, in Midland, UK, is a reputable supplier of high-quality stainless steel products to various industrial markets with corrosion–resistant and high–quality materials. One of the products offered by them, which has high strength, resistance against oxidation, and holds good in high temperatures, are Stainless Steel 321 Nuts. These nuts belong to Grade 321, a titanium-stabilized austenitic stainless steel, and can be found in a number of forms like hex nuts, lock nuts, wing nuts, and flange nuts. Made of high-strength stainless steel, they show superior resistance to intergranular corrosion and are therefore the best for heat-intensive and corrosive applications.
Stainless Steel 321 Nuts consist of Chromium (17-19%), Nickel (9-12%), and Titanium (≥5xC), along with controlled levels of Carbon, Manganese, and Silicon. The compound contains a density of 7.9 g/cm³ and has a melting range of 1400-1425°C with superior thermal stability. The nuts possess tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of around 40%, and are mechanically strong. The high oxidation and creep resistance at higher temperatures make the nuts extremely resilient under harsh industrial 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.
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
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.
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.
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.
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
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.
Stainless Steel 321 Nuts have broad applications in the aerospace, chemical processing, power generation, and high-temperature exhaust systems due to their exceptional resistance to oxidation and thermal cycling. They are best suited for heat exchangers, furnace parts, expansion joints, and refineries. Their applications are also found in the marine, cryogenic, and food processing sectors where corrosion resistance and structural stability are of prime importance. Apart from this, their ability to face high stress levels and high-temperature conditions provides them with boiler, steam pipe, and gas turbine applications along with secure fastening in such harsh environments.
Weston Stainless offers Stainless Steel 321 Nuts supported by test report certificates for authenticating their chemical composition, mechanical properties, as well as fulfillment of international requirements. These nuts are packed neatly in wooden cases, plastic drums, or individually wrapped as requested to avoid corrosion and transportation damages. Coming in different sizes, thread types, and finishes, they are supplied with complete traceability. Weston Stainless makes timely domestic and international deliveries, upholding rigorous quality inspections to deliver high-performance fastening solutions for mission-critical industrial applications.
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