Khaled Stainless, based in Cairo, Egypt, is a trusted manufacturer and supplier of Stainless Steel 440C fasteners, perfect for applications that require high strength and precision. With its notable high carbon and chromium content, SS 440C is meticulously processed under strict quality controls to ensure exceptional hardness, wear resistance, and dimensional accuracy. Khaled Stainless caters to various sectors, including automotive, tooling, aerospace support, machinery, and industrial equipment, both within Egypt and in export markets. Their SS 440C fasteners meet international standards, undergo consistent heat treatment, and can be customized in size, making them ideal for critical mechanical assemblies.
Stainless Steel 440C is a martensitic stainless steel that contains around 0.95–1.20% carbon and 16–18% chromium. This high carbon content enables the material to achieve remarkable hardness after heat treatment. SS 440C fasteners boast excellent tensile strength, impressive wear and abrasion resistance, and decent corrosion resistance in mild environments. They are magnetic and can be heat treated to support high load-bearing capacities. While they may have limited toughness and weldability, their mechanical strength and edge retention are superior to many other stainless grades.
Specification : ASTM A193 / ASME SA193
Dimensions : ASME B18.2.1, ASME B18.3, DIN 931, DIN 933, DIN 934, DIN 7991, DIN 976
Standard : DIN, GB, BS, ISO, IS, JIS, ASTM, ASME, EN, etc.
Size : M02 to M33
Length : 3 mm to 200 mm
Threads : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.
| Grade | C | Mn | Si | P | S | Cr | |
| 440C | min. | 0.95 – 1.20 | – | – | – | – | 16.0 |
| max. | 0.12 | 1.0 | 1.00 | 0.04 | 0.030 | 18.0 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 440C | 758 | 448 | 14 | 95 | – |
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These nuts offer high corrosion resistance and excellent strength due to the high carbon content in 440c stainless steel. They are available in sizes ranging from M3 to M48 and meet various industrial standards for dimensions and tolerances.
440c Stud Bolts provide exceptional corrosion resistance and high tensile strength. They come in diameters from M6 to M30 and lengths from 50mm to 1000mm, suitable for demanding applications requiring precision and durability.
440c Bolts are ideal for harsh environments and offer superior corrosion resistance and high strength. They are available sizes from M5 to M36, with varying lengths and thread specifications to meet diverse application needs.
These threaded rods are known for their excellent corrosion resistance and high tensile strength. They are typically available in diameters from M6 to M30 and lengths up to 3000mm, suitable for use in various industrial settings.
440c screws provide robust corrosion resistance and high strength. Commonly available in sizes from M3 to M20, lengths varying based on application needs, they are ideal for precision and heavy-duty fastening tasks.
440C washers offer outstanding corrosion resistance and durability, making them ideal for distributing loads and protecting surfaces. They are available in sizes from M3 to M36 and come in various thicknesses to meet specific application needs. Their robust properties ensure reliable performance in demanding environments.
At Khaled Stainless we ensure that our Stainless Steel 440C Fasteners undergo rigorous quality tests, including Hardness Test, PMI Testing, Chemical Analysis, and IGC Test, to guarantee excellence. We provide detailed documentation such as invoices with HS codes, packaging lists, Certificates of Origin, and Guarantee Letters. Additionally, Third-Party Inspection Certificates ensure complete client satisfaction and reliability.
Stainless Steel 440C fasteners are ideal for applications that demand high strength, hardness, and wear resistance. Common uses include precision machinery, bearings, shafts, valves, pumps, cutting tools, molds, and high-load mechanical assemblies. They are also well-suited for automotive components, industrial equipment, and aerospace support systems that require robust fastening solutions. SS 440C fasteners perform optimally in controlled or mildly corrosive environments. However, they are not recommended for highly acidic or marine conditions, excelling instead in situations where mechanical durability is prioritized over corrosion resistance.
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