MERIH STAINLESS, located in Istanbul, Turkey, is a reliable manufacturer and supplier of Stainless Steel 440C nuts. These nuts are known for their high strength, wear resistance, and ability to withstand corrosion, making them perfect for tough industrial applications. Thanks to advanced manufacturing techniques and strict quality control measures, MERIH STAINLESS guarantees that every nut meets international standards for mechanical performance, precision, and durability. Designed to perform reliably in harsh environments, high temperatures, and under significant stress, these Stainless Steel 440C nuts come in various sizes and specifications. They are widely utilized in sectors like aerospace, automotive, chemical, and engineering, providing dependable performance for critical applications.
Made from a high-carbon martensitic stainless steel alloy that contains around 16–18% chromium and 0.95–1.2% carbon, Stainless Steel 440C nuts offer remarkable hardness, tensile strength, and wear resistance, along with moderate corrosion resistance. The martensitic structure allows for heat treatment, which enhances their hardness, toughness, and overall mechanical performance. These nuts maintain their shape, durability, and reliable fastening capabilities even under high loads, friction, and elevated temperatures, making them ideal for crucial industrial and engineering tasks.
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.
Stainless Steel 440C nuts are commonly found in industries that demand high hardness, strength, and resistance to corrosion. They are perfect for precision machinery, automotive parts, aerospace fasteners, valves, and pump assemblies. Additionally, they are used in chemical processing, tooling, and environments with high wear. Their excellent fatigue resistance, wear performance, and long service life help minimize maintenance needs, ensuring reliable and efficient operation. For fastening critical components in challenging industrial and engineering conditions, Stainless Steel 440C nuts are the go-to choice.
Stainless steel 440C nuts are used at high pressures where there is a need for exceptional durability and corrosion resistance. They are ideal for components in industrial machinery, cutting tools, and valve assemblies. Their high carbon footprint and thermal performance make them suitable for important wearable and communication applications, such as the emergence of the aerospace and automotive industries.
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