Harsh Metalloys is a reliable Stainless Steel 321 nut manufacturer and supplier based in Mumbai, India. With its commitment to quality, accuracy, and customer satisfaction, the company produces fastening solutions with assurance of performance in critical high-temperature and corrosive conditions. Harsh Metalloys’ Stainless Steel 321 nuts are produced on the basis of high-quality raw materials and modern technology, providing high durability and mechanical strength. With an emphasis on fulfilling global standards and customer specifications, Harsh Metalloys supplies diverse industries in India and overseas with reliable stainless steel products for severe engineering and industrial uses.
Harsh Metalloys’ Stainless Steel 321 nuts made in Mumbai, India, are produced from an austenitic stainless steel alloy with 17–19% chromium, 9–12% nickel, and titanium for stabilization. This composition has excellent resistance to intergranular corrosion following heat exposure. Mechanically, SS 321 nuts possess a tensile strength of approximately 515 MPa and a yield strength of approximately 205 MPa, along with excellent creep and rupture resistance due to stress. They find excellent applications in conditions where there is continuous or intermittent heating. Harsh Metalloys puts all the products through stringent tests for mechanical and chemical fitness to guarantee long-term use.
| 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.
Harsh Metalloys 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 from Harsh Metalloys in Mumbai, India, are extensively used where there is a need for high strength coupled with oxidation resistance at high temperatures. These nuts can find application in heat exchangers, exhaust, jet engine parts, and furnace components in aerospace, automotive, petrochemical, and power generation industries. Their thermal cycling stability and scaling resistance qualify them for pressure vessels and equipment used at high temperatures. Harsh Metalloys offers SS 321 nuts with guaranteed fastening solutions in extreme conditions where durability, corrosion resistance, and thermal stability are important factors.
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