Njabulo Stainless stands out as a top-notch manufacturer and supplier of Stainless Steel 330 Nuts, proudly based in Cape Town, South Africa. The company is all about crafting high-quality austenitic stainless steel fasteners that excel in resisting high-temperature oxidation and corrosion. Their Stainless Steel 330 Nuts are specifically engineered for extreme high-temperature scenarios, offering remarkable thermal stability, strength, and durability. With cutting-edge manufacturing facilities and rigorous quality control measures, Njabulo Stainless ensures that their precision-engineered nuts meet international standards, providing reliable and long-lasting fastening solutions for industries like chemical, petrochemical, and power generation.
These Stainless Steel 330 Nuts are made up of iron, chromium (19–23%), nickel (35–39%), cobalt (1–2%), along with trace amounts of manganese, silicon, and a maximum of 0.08% carbon. This high-alloy austenitic stainless steel grade is known for its outstanding high-temperature strength, oxidation resistance, and creep resistance. With a tensile strength ranging from about 600 to 850 MPa and a yield strength of around 350 to 600 MPa, these nuts are tough enough to handle the most demanding fastening tasks in extremely hot and corrosive environments.
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 Njabulo Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 330 Nuts in Cape Town, South Africa. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the South Africa, 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 widely utilized in industries that demand high-temperature corrosion resistance and mechanical integrity. They’re perfect for furnace components, heat exchangers, boiler parts, superheaters, and piping systems that face intense heat. Plus, they’re essential in chemical and petrochemical plants, power generation equipment, and aerospace applications where secure fastening under high thermal and oxidative stress is crucial. Thanks to their durability, high-temperature strength, and corrosion resistance, 330 nuts are the go-to choice for challenging industrial and high-temperature applications.
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