Andre Stainless, located in Singapore on Pulau Ujong, is a reputable manufacturer and supplier of top-notch stainless steel fasteners, including the high-performance Stainless Steel 440C Fasteners. These fasteners are celebrated for their remarkable strength and wear resistance, making them perfect for demanding applications where hardness and mechanical performance are crucial. At Andre Stainless, every fastener is crafted with precision machining and stringent quality controls to ensure they meet global standards. The company caters to various industries, such as aerospace, automotive, heavy machinery, and defense, providing reliable fastening solutions that offer strength, durability, and corrosion resistance even in the harshest operating conditions.
Stainless Steel 440C Fasteners are crafted from a high-carbon martensitic stainless steel alloy, which contains about 16–18% chromium and 0.95–1.20% carbon. This unique composition allows the material to be heat-treated, achieving a hardness of up to 58–60 HRC. These fasteners boast tensile strength ranging from 760 to 1,800 MPa, along with excellent wear and abrasion resistance. While they may not be as corrosion-resistant as austenitic grades, 440C fasteners still provide decent resistance in mild atmospheres and clean industrial settings. These mechanical and chemical properties make 440C fasteners ideal for applications that demand both structural integrity and a long service life under stress.
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 Andre 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.
You’ll often find Stainless Steel 440C Fasteners in high-stress and high-wear environments where superior mechanical strength is a must. They’re commonly used in aerospace assemblies, industrial pumps, automotive components, die molds, and military equipment. Thanks to their impressive hardness and fatigue resistance, they’re perfect for rotating parts, high-pressure systems, and situations with frequent mechanical impact. Although they aren’t the best choice for highly corrosive chemical exposure, 440C fasteners perform admirably in dry or mildly corrosive conditions. Their ability to maintain strength and dimensional stability over time makes them a reliable choice for demanding applications.
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