Home > Stud Bolts > Stainless Steel 440b Stud Bolts
Khaled Stainless, based in Cairo, Egypt, is a reliable manufacturer and supplier of Stainless Steel 440B stud bolts, designed specifically for high-strength and precision mechanical applications. These stud bolts are crafted using a carefully controlled alloy composition and advanced heat treatment processes, ensuring they deliver dependable performance, precise dimensions, and a long lifespan. Khaled Stainless provides SS 440B stud bolts to various sectors, including automotive, machinery, valves, pumps, and industrial equipment, both within Egypt and for export. With adherence to ASTM and EN standards, along with options for custom sizing and threading, these bolts are perfect for demanding load-bearing assemblies.
Stainless Steel 440B is a martensitic stainless steel that contains around 0.75–0.95% carbon and 16–18% chromium. This unique composition allows SS 440B stud bolts to achieve impressive hardness and tensile strength after heat treatment, while also providing better toughness compared to 440C. They boast excellent wear resistance, good fatigue strength, and moderate corrosion resistance in mild environments. SS 440B stud bolts are magnetic and can handle significant mechanical loads, although their ductility and weldability are somewhat limited when compared to austenitic grades.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
C | Si | Mn | P | S | N | Cr | Cu | Mo | Ni | Ti | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
0,85 – 0,95 | – | – | – | – | – | 17,00 – 19,00 | – | 0,90 – 1,30 | – | – | 0,07 – 0,12 |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
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Stainless Steel UNS S44003 stud bolts are durable and corrosion-resistant, offering high strength for demanding applications. Ideal for industrial and mechanical use, they provide reliability in challenging environments.
Stainless Steel 440B flush head stud bolts feature a smooth, flush design for a sleek finish and secure fit. Ideal for applications requiring a low-profile fastener with high strength and corrosion resistance.
Each Stainless Steel 440B Stud Bolt shipped from the company has been packed with utmost care using the most premium packaging material to avoid rust and any damage during movement. We always focus on complete customer satisfaction by making timely delivery through prompt transportation. All relevant documents pertaining to the product are delivered to the customers at the time of delivery.
Stainless Steel 440B stud bolts are ideal for applications that demand high strength, rigidity, and wear resistance. Common uses include pumps, valves, compressors, tooling equipment, precision machinery, and high-load mechanical joints. They are also utilized in automotive and industrial assemblies where secure fastening under stress is essential. SS 440B stud bolts perform optimally in dry or mildly corrosive environments and are not suitable for marine or highly acidic conditions, making them perfect for controlled industrial applications.
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