Amer Stainless, based in Amman, Jordan, stands out as a top manufacturer and supplier of high-quality Stainless Steel 440C Nuts, serving a diverse array of industrial, mechanical, and engineering needs. Known for its precision engineering and rigorous quality control, Amer Stainless guarantees that each 440C nut adheres to international standards for strength, durability, and reliability. By employing cutting-edge production methods, the company delivers nuts that consistently perform well even in tough conditions. With a strong commitment to customer satisfaction, prompt delivery, and technical support, Amer Stainless has built a reputation as a reliable source for stainless steel fastening solutions in critical applications.
Stainless Steel 440C Nuts are crafted from a high-carbon martensitic stainless steel alloy, celebrated for its remarkable hardness, strength, and resistance to wear. The alloy’s composition features high levels of carbon and chromium, along with small amounts of manganese and silicon to boost mechanical stability. These nuts showcase impressive tensile strength, outstanding hardness post-heat treatment, and robust resistance to abrasion and moderate corrosion. Their strong mechanical properties make them perfect for environments that require dependable fastening, high load-bearing capacity, and long-lasting durability under stress and friction.
STAINLESS STEEL 440C 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 440C |
| Ni | – |
| C | 0.95 – 1.20 |
| Mn | 1.0 max |
| P | 0.040 max |
| S | 0.030 max |
| Si | 1.0 max |
| Cr | 16.0 – 18.0 |
| Mo | 0.75 |
| N | – |
| Element | SS 440C |
| Tensile Strength (MPa) min | 758 |
| Yield Strength 0.2% Proof (MPa) min | 448 |
| Elongation (% in 50mm) min | 14 |
| Hardness Rockwell (HR C) | 269HB max# |
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A corrosion-resistant product, Stainless Steel 440C nuts are available in sizes from M6 to M64. Known for their exceptional hardness and wear resistance, these nuts are ideal for high-stress, high-temperature applications in aerospace and industrial machinery.
A corrosion-resistant product, Stainless Steel 440C coupling nuts come in sizes from M6 to M36. They are designed to join two male threads securely, offering high strength and durability in demanding applications.
A corrosion-resistant product, Stainless Steel 440C nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening under vibration, making them suitable for high-stress and high-temperature environments.
A corrosion-resistant product, Stainless Steel 440C flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide even load distribution and enhanced stability in harsh conditions.
A corrosion-resistant product, Stainless Steel 440C heavy hex nuts are available in sizes from M10 to M48. Their increased thickness offers superior strength and durability, making them ideal for heavy-duty and high-stress applications.
A corrosion-resistant product, Stainless Steel 440C square nuts come in sizes from M6 to M30. Their larger surface area ensures a secure grip and stable fastening in high-stress and industrial applications.
Our team has carefully packed these Stainless Steel 440C Nuts with strong materials in the market. Durable wooden boxes and pallets with eco-friendly packing materials have ensured that these nuts are not damaged; they remain clean, thus maintaining their superior quality. The nuts are thus shielded and protected while shipping; no damage occurs. Once packed, the nuts are set for delivery. We assure fast delivery in perfect condition regardless of the distance. We work with trustworthy shipping companies and are committed to efficiency and reliability. The attention to detail and strict quality checks are also a testament to our desire to provide you with the best.
Stainless Steel 440C Nuts find their place in various applications that require top-notch performance and durability. They’re frequently used in the automotive, aerospace, defense, and heavy machinery sectors, where components face significant mechanical stress and vibration. These nuts are perfect for securing parts in pumps, valves, turbines, precision instruments, and other high-performance equipment. Their hardness and dimensional stability ensure reliable fastening in high-stress and high-wear settings. Plus, their moderate corrosion resistance makes them suitable for industrial processing and outdoor applications where enduring performance is essential.







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