Request For Our Latest Prices On SS 440c Nuts in Mumbai, India!
The Mumbai, India-based Fasteners Mart is a prominent supplier and exporter of precision-engineered industrial fasteners catering to international industries. Among its high-end products is Stainless Steel 440C Nuts, which is fabricated from high-carbon martensitic stainless steel renowned for its superior hardness and wear resistance. The nuts are produced in numerous shapes such as hex, lock, and heavy-duty types with high strength and performance in severe conditions. Most suitable for uses requiring greater mechanical strength and abrasion resistance, 440C Nuts find extensive use in heavy-duty high-wear and high-load industrial assemblies.
Stainless Steel 440C Nuts consist of high carbon (0.95–1.20%), chromium (16–18%), manganese, silicon, and traces of molybdenum. These nuts have high hardness of up to 58–60 HRC when heat-treated. Their tensile strength is between 760–1000 MPa, with good wear resistance and moderate corrosion resistance in hardened condition. 440C nuts possess a density of around 7.75 g/cm³ and a melting range of 1480–1530°C. Although less corrosion-resistant than austenitic grades, they are well-suited where maximum strength and hardness are needed, particularly in tooling and mechanical applications.
| 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# |
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
440C Stainless Steel Nuts are utilized in situations requiring high strength, hardness, and wear resistance. They are frequently used in precision machinery, aerospace assemblies, tooling, and abrasion-resistant industrial equipment. They are also applied in bearings, valves, and other products where stress endurance is vital. The nuts are also favored when manufacturing cutting tools, molds, and dies and in pump and automotive systems. Though providing moderate resistance to corrosion, their true benefit is that they can withstand mechanical and thermal stress and remain intact.
The Fasteners Mart provides timely and safe transportation of Stainless Steel 440C Nuts to customers across the globe. Every nut is properly packaged in waterproof, long-lasting packaging material to avoid damage during transportation. Specialized labeling, export packaging, and bulk packaging are offered according to specific project and customer needs safely and efficiently.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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