Harsh Metalloys stands out as a top-notch manufacturer and supplier of Stainless Steel 330 nuts, proudly based in Mumbai, India. We’ve built a reputation for providing high-quality fastening solutions that are designed to perform reliably even in high-temperature and corrosive settings. Our SS 330 nuts are crafted from premium raw materials and utilize cutting-edge production techniques, ensuring they are durable, precise, and incredibly strong. With years of experience under our belt and a steadfast commitment to excellence, Harsh Metalloys caters to a diverse array of industries, including thermal processing, petrochemicals, heat treatment, and power generation. Our focus on quality and customer satisfaction has helped us earn trust both across India and in international markets.
Stainless Steel 330 nuts are made from a high-nickel (35–37%) and chromium (17–20%) austenitic stainless steel alloy, with a touch of silicon added for improved resistance to oxidation and carburization. These nuts boast impressive mechanical properties, featuring a tensile strength ranging from 600 to 750 MPa and a yield strength of about 300 MPa. They maintain their structural integrity even at elevated temperatures, often surpassing 1100°C. With excellent resistance to thermal shock, scaling, and high-temperature corrosion, they are perfect for extreme heat applications where standard stainless steels might not hold up.
STAINLESS STEEL 330 NUTS SPECIFICATIONS |
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| 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 330 |
| Ni | 34.00 – 37.00 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.03 max |
| S | 0.03 max |
| Si | 1.50 max |
| Cr | 18.00 – 22.00 |
| Mo | – |
| N | – |
| Element | SS 330 |
| Tensile Strength – ksi (min.) | 70 |
| 0.2% Offset Yield Strength – ksi (min.) | 30 |
| Elongation in 2 inches – % (min.) | 30 |
| Hardness – Rockwell B | 90 |
Contact us to get a quick quote for your requirement.
At Harsh Metalloys, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 330 Nuts in India, Mumbai. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Mumbai, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.
An anti-corrosion treatment designed for materials at extremely high temperatures. Stainless steel 330 nuts are available in sizes ranging from M6 to M36, making them ideal for furnace applications, heat exchangers and other hot environments.
The threaded rods are connected by stainless steel 330 coupling nuts under high temperature conditions. Sizes range from M6 to M36, suitable for industrial oven applications where high thermal resistance is required.
Stainless steel 330 nylon insert nuts have nylon inserts for secure fastening in harsh conditions. Available in sizes from M6 to M24, they are ideal for high temperature applications where stability and thermal resistance are required.
Stainless steel 330 flange hex nuts for enhanced weight distribution with integrated flange. Sizes range from M6 to M24, making them suitable for high temperatures and harsh environments, such as in heat exchangers and furnace components.
Heavy duty stainless steel 330 heavy hex nuts are designed for high pressure and high temperature applications. Available in sizes from M6 to M36, they provide exceptional strength and heat resistance for use in industrial machinery and furnace parts.
Stainless steel 330 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, suitable for high-temperature environments such as furnace parts and heat exchangers, ensuring durability and stability.
We are committed to providing our clients with the finest quality Stainless Steel 330 Nuts. To ensure their outstanding quality, our nuts undergo a thorough series of testing processes before they are dispatched. These tests include hardness testing, chemical analysis via spectro analysis, positive material identification (PMI) testing, flattening tests, micro and macro examinations, pitting resistance tests, flaring tests, and intergranular corrosion (IGC) tests. We also provide third-party inspection certificates to give our clients extra confidence in the quality and suitability of our Stainless Steel 330 Nuts for various applications.
You’ll find Stainless Steel 330 nuts commonly used in high-temperature and chemically aggressive environments, such as industrial furnaces, heat treatment equipment, kilns, petrochemical processing plants, and reformer systems. They are particularly well-suited for fastening components that experience repeated thermal cycling, oxidation, and carburizing conditions. Additionally, these nuts are frequently utilized in power plants, exhaust systems, and metal refining industries due to their ability to maintain strength and resist corrosion under intense heat. SS 330 nuts provide long-term reliability, making them the go-to choice for critical fastening needs in demanding industrial applications.
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