Home > Stainless Steel 321 / 321H Nuts
Request For Our Latest Prices On Stainless Steel 321 / 321H Nuts in Delhi, India!
At Punit Fasteners, we are the leading manufacturer and supplier of Stainless Steel 321/321H nuts in Delhi, India. Our fruit is specially designed for high humidity environments, giving it exceptional resistance to rust and oxidation. Ideal for the aerospace, automotive, and medical industries, our stainless steel 321/321H nuts meet stringent quality standards to ensure reliability and durability. Trust us in perfectly designed nuts that provide consistent, long-lasting performance in tough industrial applications.
Punit Fasteners, a reliable manufacturer and supplier based in Delhi, India, is pleased to provide top–class Stainless Steel 321/321H Nuts, designed to withstand severe heat and corrosion conditions. These titanium-stabilized stainless steel nuts provide superior resistance to oxidation, sulfuric and phosphoric acids, and intergranular corrosion and are, therefore, suitable for application in aerospace, automobile, chemical, and medical industries. With improved strength at high temperatures and superior weldability, Stainless Steel 321/321H nuts exhibit enduring fastening performance. At Punit Fasteners, we maintain the highest possible manufacturing, testing, and packaging standards to fulfill the stringent needs of contemporary industrial uses.
| Specifications | IS, BS, ASTM |
| Standard | ASTM / ASME – A/ SA 193 |
| Length | 3 mm to 200 mm |
| Size | M02 to M33 |
| Type | Hex Nuts, Dome Nuts, Hex Machine Screw Nuts, Hex Lock Nuts Nylon Insert, Hex Jam Nuts, Hex Jam Nylon Lock Nuts, Heavy Hex Nuts, Wing Nuts, Cap Nuts, Acorn Nuts, Square Nuts, K-Lock Nuts, Prevailing Torque Lock Nuts, Top Lock Nuts, Two-Way Reversible Lock Nuts, Pin-Lock Nuts, T-Nuts, Coupling Nuts, T-Slot Nuts, Castle Nuts, Flange Nuts Serrated, Machine Hex Nuts, Finished Hex Nuts, Forged Eye Nut, Rivet Nuts, Slotted Hex Nut, Acme Hex Nuts, Nylock Nuts, Anco Locknuts, Flexloc Nuts, Reversible Locknuts, Panel Nut, Poly Nut, Conelock Nut, Self Clinching Nuts, Domed Cap Nuts, Imperial Thread Nuts, Imperial Thread Nylock Nuts, Sleeve Nuts, Thin Nuts, Weld Nuts, High Tensile Nuts, Cage Nuts, Security Nuts, Imperial Nuts, Industrial Nuts, Miscellaneous Nuts, Insert Nuts, Knurled Nuts, Round Nuts |
| Element | SS 321 |
| Ni | 9.0 – 12.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 17.0 – 19.0 |
| Mo | – |
| N | 0.10 |
| Element | SS 321 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 217 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 321/321H Nuts consist mainly of 17–19% chromium, 9–12% nickel, and titanium for stabilization, which inhibits carbide precipitation while welding. Grade 321H, with its increased carbon content, provides greater creep strength and mechanical stability at high temperatures. These nuts retain strength up to 900°C, showing excellent resistance to oxidation, toughness, and protection against intergranular corrosion. Their enhanced weldability and thermal resistance characterize them as being perfectly suited for high-stress applications where both structural integrity and corrosion protection are essential, providing dependable performance under harsh industrial systems.
Stainless Steel 321/321H Nuts are perfect for conditions where high temperatures expose the need for strength, corrosion resistance, and thermal stability. Nuts find broad usage in aerospace technology, including jet engine and turbine assembly, and exhaust systems of cars that face utmost heat. They find applications in petrochemical plants, power plants, and chemical processing plants, particularly where sulfuric and phosphoric acids are used. Their superior mechanical properties and resistance to oxidation render them reliable in high-pressure, corrosive, and thermally extreme environments, providing safe fastening and long service life in critical systems.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
©2024 Punit Fasteners All Rights Reserved.
