Njabulo Stainless is a reputable manufacturer and supplier of Stainless Steel 316 Nuts, located in Cape Town, South Africa. They pride themselves on delivering quality, durability, and corrosion resistance, offering a diverse selection of precision-engineered nuts, including hex nuts, lock nuts, wing nuts, and custom fasteners. Built to withstand harsh environments, these nuts are crafted to meet international standards across various sectors such as marine, chemical processing, food and beverage, and construction. With a commitment to consistent performance, Njabulo Stainless’s 316 stainless steel nuts are a dependable choice for secure fastening in challenging applications.
Stainless Steel 316 Nuts are crafted from an austenitic stainless steel alloy that contains around 16–18% chromium, 10–14% nickel, and 2–3% molybdenum. The inclusion of molybdenum greatly boosts corrosion resistance, particularly in environments rich in chlorides and acids. These nuts boast impressive mechanical properties, featuring a tensile strength of approximately 515 MPa and a yield strength of 205 MPa. They retain excellent strength and toughness across a broad temperature range. Additionally, Stainless Steel 316 offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring the reliability of fastened joints in critical applications.
| 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 316 |
| Ni | 10.0 – 14.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.03 max |
| Si | 0.75 max |
| Cr | 16.0 – 18.0 |
| Mo | 2.00 – 3.00 |
| N | 0.10 |
| Element | SS 316 |
| 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 |
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A corrosion-resistant product, Stainless Steel 316 nuts come in sizes from M6 to M64. Known for their excellent resistance to marine and chemical environments, they are ideal for high-temperature and industrial applications.
A corrosion-resistant product, Stainless Steel 316 coupling nuts, available in sizes from M6 to M36, securely join two male threads. They are perfect for use in corrosive environments and high-stress applications.
A corrosion-resistant product, Stainless Steel 316 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening, making them ideal for high-vibration and corrosive environments.
A corrosion-resistant product, Stainless Steel 316 flange hex nuts feature an integrated flange and come in sizes from M5 to M20. They offer enhanced load distribution and stability in marine and chemical environments.
A corrosion-resistant product, Stainless Steel 316 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness provides superior strength and durability, suitable for heavy-duty and high-temperature applications.
A corrosion-resistant product, Stainless Steel 316 square nuts provide a larger contact surface and come in sizes from M6 to M30. They are ideal for high-stress applications requiring stability and resistance to harsh conditions.
Stainless Steel 316 Nuts find extensive use in industries where both strength and corrosion resistance are crucial. They are commonly utilized in marine equipment, offshore structures, chemical storage tanks, food processing machinery, pharmaceutical systems, and wastewater treatment facilities. These nuts are particularly suited for environments exposed to saltwater, chemicals, and high moisture, where standard fasteners might fail. In clean and sterile environments, they are favored for their non-reactive and easy-to-clean surfaces. Their long-lasting performance and low maintenance requirements make them an excellent choice for demanding applications.
Stainless steel 316 nuts are used in marine environments, medical applications and high temperature applications due to excellent corrosion and oxidation resistance Ideal for use in tools of sea water, acids and extreme temperatures, such as in pumps, valves and marine equipment.
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