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Mbemba Stainless is a well-respected manufacturer and supplier of **Stainless Steel 440B Stud Bolts** based in Kinshasa, Congo. They provide top-notch fastening solutions tailored for demanding industrial applications. Renowned for their precision engineering and high-quality materials, these stud bolts offer remarkable strength, wear resistance, and protection against corrosion. Mbemba Stainless is committed to ensuring that every product adheres to global quality standards, delivering peak performance even in the toughest environments. With a solid foothold in Congo’s industrial landscape, the company supplies 440B stud bolts to a variety of sectors, including petrochemical, marine, automotive, and engineering, guaranteeing durability and reliability in every use.
**Stainless Steel 440B Stud Bolts** are primarily made up of chromium (16–18%), carbon (0.75–0.95%), along with trace amounts of manganese, silicon, and molybdenum. This unique blend boosts their hardness, strength, and resistance to wear and oxidation. They boast impressive mechanical properties, featuring a tensile strength of around 700–900 MPa and a yield strength of about 450 MPa. The alloy is known for its excellent dimensional stability and corrosion resistance, especially in mildly corrosive settings. Additionally, heat treatment can enhance their hardness and mechanical performance, making these stud bolts perfect for high-stress, high-temperature situations.
| 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** find extensive use in **chemical processing, oil and gas, marine, power generation, and automotive industries**. Their exceptional hardness and corrosion resistance make them ideal for equipment that endures pressure, vibration, and heat, such as pumps, valves, flanges, and turbines. These stud bolts also excel in moderately corrosive environments and applications that demand secure, long-lasting fastening. Furthermore, they are employed in aerospace components, heavy machinery, and structural assemblies where high mechanical strength and wear resistance are crucial for safe and dependable operations.
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