Horizon Metal and Alloys is at Stainless Steel 321 Nut Bolt Manufacturer in India, offering premium-quality SS 321 fasteners engineered for high-temperature, oxidation-resistant, and corrosion-resistant industrial applications. Manufactured from titanium-stabilized austenitic stainless steel, our Stainless Steel 321 nut bolts provide outstanding resistance to intergranular corrosion, excellent weldability, and superior mechanical strength, making them suitable for demanding operating environments.
As a trusted Stainless Steel 321 Fasteners Supplier in India, we manufacture and supply a comprehensive range of industrial fasteners, including Hex Bolts, Heavy Hex Bolts, Stud Bolts, Threaded Rods, Hex Nuts, Heavy Hex Nuts, Washers, Spring Washers, U Bolts, Eye Bolts, Anchor Bolts, Foundation Bolts, Socket Head Cap Screws, Machine Screws, and custom-engineered fastening solutions. Every product is manufactured according to ASTM, ASME, DIN, ISO, and BS standards, ensuring exceptional dimensional accuracy, reliable performance, and long service life.
Stainless Steel 321 contains titanium, which stabilizes the alloy against chromium carbide precipitation during welding and prolonged exposure to elevated temperatures. This makes SS 321 an excellent choice for applications involving continuous temperatures up to approximately 900°C, where superior corrosion resistance and structural integrity are essential.
Our Stainless Steel 321 fasteners are widely used in aerospace, petrochemical, oil & gas, power generation, marine engineering, heat exchangers, boilers, pressure vessels, pharmaceutical plants, food processing, and chemical processing industries. Every fastener undergoes rigorous quality inspections, including chemical analysis, mechanical testing, dimensional verification, and thread inspection before dispatch.
As a reliable Stainless Steel 321 Nut Bolt Manufacturer in Mumbai, India, we maintain extensive inventory for immediate delivery throughout India while exporting our premium-quality Stainless Steel 321 fasteners to customers across more than 70 countries worldwide.
| Specification | Details |
|---|---|
| Product | Stainless Steel 321 Nut Bolts |
| Material Grade | Stainless Steel 321 |
| UNS Number | UNS S32100 |
| Werkstoff No. | 1.4541 |
| Standards | ASTM, ASME, DIN, ISO, BS |
| Manufacturing Process | Hot Forged / Cold Forged / CNC Machined |
| Diameter | M3 to M100 |
| Inch Size | ¼” to 4″ |
| Length | Up to 3000 mm |
| Thread Type | Metric, UNC, UNF, BSW, BSF |
| Finish | Plain, PTFE Coated, Zinc Plated, Black Oxide, Polished |
| Head Types | Hex Head, Heavy Hex Head, Socket Head, Square Head |
| Certification | EN 10204 3.1 / Mill Test Certificate |
| Element | Composition (%) |
|---|---|
| Carbon (C) | Max 0.08 |
| Chromium (Cr) | 17.00 – 19.00 |
| Nickel (Ni) | 9.00 – 12.00 |
| Titanium (Ti) | 5 × C Min – 0.70 Max |
| Manganese (Mn) | Max 2.00 |
| Silicon (Si) | Max 1.00 |
| Phosphorus (P) | Max 0.045 |
| Sulfur (S) | Max 0.030 |
| Iron (Fe) | Balance |
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa Minimum |
| Yield Strength | 205 MPa Minimum |
| Elongation | 40% Minimum |
| Hardness | 95 HRB Maximum |
| Density | 8.0 g/cm³ |
| Melting Range | 1398–1454°C |
Equivalent Grade
| Standard | Equivalent Grade |
|---|---|
| UNS | S32100 |
| ASTM | Type 321 |
| EN | 1.4541 |
| DIN | X6CrNiTi18-10 |
| JIS | SUS 321 |
| AISI | 321 |
| ISO | ISO 3506 |
Stainless Steel 321 fasteners are widely used in:
We are a trusted Stainless Steel 321 Bolt Manufacturer in Mumbai, India and export our products to customers across the USA, Canada, United Kingdom, Germany, France, Italy, Spain, UAE, Saudi Arabia, Qatar, Oman, Kuwait, Singapore, Malaysia, Indonesia, Thailand, Japan, South Korea, China, Australia, South Africa, Brazil, Argentina, and many other international markets.
Stainless Steel 310 and 310S nut bolts are high-temperature austenitic stainless steel fasteners known for their excellent oxidation resistance, corrosion resistance, and superior mechanical strength. They are widely used in furnaces, petrochemical plants, heat treatment equipment, and power generation industries.
Yes, we are a leading Stainless Steel 310, 310S Nut and Bolt Manufacturer in India, supplying premium-quality industrial fasteners for domestic and international markets.
Stainless Steel 310S contains lower carbon than Stainless Steel 310, providing improved weldability and better resistance to carbide precipitation during welding while maintaining excellent high-temperature performance.
We manufacture Hex Bolts, Heavy Hex Bolts, Stud Bolts, Threaded Rods, Hex Nuts, Heavy Hex Nuts, Washers, Spring Washers, U Bolts, Eye Bolts, Anchor Bolts, Foundation Bolts, Socket Head Cap Screws, Machine Screws, and custom fasteners.
We are a leading Stainless Steel 321 Nut Bolt Manufacturer in India, supplying premium-quality Stainless Steel 321 fasteners, including hex bolts, heavy hex bolts, stud bolts, threaded rods, hex nuts, heavy hex nuts, washers, U bolts, eye bolts, anchor bolts, socket head cap screws, and custom fastening solutions for high-temperature and corrosion-resistant industrial applications. As a trusted Stainless Steel 321 Nut Bolt Manufacturer in Mumbai, India, we serve major industrial cities including Chennai, Pune, Ahmedabad, Delhi, Hyderabad, Bengaluru, and Kolkata, delivering products manufactured in accordance with ASTM, ASME, DIN, ISO, and international quality standards.
Our global export network enables us to supply premium-quality Stainless Steel 321 Nuts and Bolts to customers across North America. We are recognized as a reliable Stainless Steel 321 Nut Bolt Manufacturer in Houston, USA, Stainless Steel 321 Fasteners Supplier in New York, USA, Stainless Steel 321 Bolt Manufacturer in Los Angeles, USA, and Stainless Steel 321 Stud Bolt Supplier in Chicago, USA. We also export to major Canadian cities including Toronto, Vancouver, and Calgary, as well as customers in Mexico City, Mexico.
We are a trusted Stainless Steel 321 Nut Bolt Manufacturer in London, UK, Stainless Steel 321 Heavy Hex Nuts Supplier in Birmingham, UK, Stainless Steel 321 Bolt Manufacturer in Manchester, UK, Stainless Steel 321 Stud Bolts Manufacturer in Germany, Stainless Steel 321 Fasteners Supplier in Hamburg, Germany, Stainless Steel 321 Nut Bolt Manufacturer in Paris, France, Stainless Steel 321 Fasteners Supplier in Milan, Italy, Stainless Steel 321 Nut Bolt Manufacturer in Madrid, Spain, and Stainless Steel 321 Fasteners Supplier in Amsterdam, Netherlands. Our products are widely used in aerospace, petrochemical plants, heat exchangers, marine engineering, and power generation industries throughout Europe.
We are a trusted Stainless Steel 321 Nut Bolt Manufacturer in Dubai, UAE, and a reliable supplier in Abu Dhabi, Riyadh, Jeddah, Doha, Muscat, and Kuwait City. Our Stainless Steel 321 fasteners are extensively used in oil & gas facilities, petrochemical plants, refineries, desalination projects, offshore platforms, and industrial processing plants across the Middle East.
Our product portfolio includes Stainless Steel 321 Hex Bolt Manufacturer USA, Stainless Steel 321 Heavy Hex Nuts Supplier UK, Stainless Steel 321 Stud Bolts Manufacturer Germany, Stainless Steel 321 Threaded Rod Supplier UAE, Stainless Steel 321 Washers Manufacturer Singapore, Stainless Steel 321 Socket Head Cap Screw Supplier Australia, Stainless Steel 321 U Bolts Manufacturer Canada, and Stainless Steel 321 Fasteners Exporter India.
As a globally recognized UNS S32100 Stainless Steel 321 Nuts and Bolts Manufacturer Worldwide, we manufacture products in compliance with ASTM A193, ASTM F593, ASME, DIN, and ISO standards for critical industrial applications. We are also a leading Stainless Steel 321 Industrial Fasteners Manufacturer and Stainless Steel 321 Nut Bolt Stockist and Exporter Worldwide, delivering premium-quality fastening solutions to customers across the globe.
We specialize in manufacturing high-quality fasteners that cater to diverse industries, including oil & gas, petrochemical, marine, power generation, aerospace, and construction.
17, Ramkutir Building, 12th Khetwadi Cross Lane, Mumbai 400004
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Tel: +91 9821037597
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