Home > Stud Bolts > Stainless Steel 440b Stud Bolts
Weston Stainless, based in Midland, UK, is a reliable provider of high-quality stainless steel products, offering consistent fastening solutions to numerous industries. One of its high-end products, Stainless Steel 440B Stud Bolts, is a martensitic stainless steel fastener that is highly hard, wear-resistant, and durable. Made of Grade 440B stainless steel, the stud bolts come in different shapes, such as fully threaded, double-end, and tap-end forms, and are thus useful for a variety of applications. With high chromium and carbon content, Stainless Steel 440B Stud Bolts provide better strength, corrosion resistance, and mechanical stability, providing long-term performance in extreme conditions.
Stainless Steel 440B Stud Bolts consist of iron, chromium (16.0-18.0%), carbon (0.75-0.95%), manganese (1.0% max), silicon (1.0% max), and molybdenum (0.75% max) and have great strength and hardness. The bolts have a tensile strength of around 755 MPa, a yield strength of around 450 MPa, and an elongation of around 14%. With a density of 7.8 g/cm³ and a melting point of around 1455°C, they are known to possess very good thermal conductivity and abrasion resistance. Their hardness is between 56-60 HRC after heat treatment, making them extremely durable in high-stress applications where outstanding mechanical properties are needed.
| 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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Corrosion-resistant, offering high strength for demanding applications. Ideal for industrial and mechanical use, they provide reliability in challenging environments.
Flush design for a sleek finish and secure fit. Ideal for applications requiring a low-profile fastener with high strength and corrosion resistance.
Stainless Steel 440B Stud Bolts are utilized extensively in the aerospace, automotive, marine, and industrial sectors because of their superior hardness and corrosion resistance. They are widely used in high-pressure applications, power generation equipment, and heavy-duty machinery that needs strong fastening. They are also applied in defense, food processing machines, and measurement instruments where there is a need for high strength and abrasion resistance. They can support extreme temperature, mechanical loads, and corrosive conditions, and this makes them a top choice for structural fastening in extreme industrial conditions and provides long-term reliability and performance.
Stainless Steel 440B Stud Bolts are provided with basic test certificates, such as material test reports (MTR), third-party inspection certificates, and EN 10204 3.1 certification to adhere to global quality standards. Secure packaging in wooden crates, cartons, or plastic-bundled boxes prevents damage while transporting the materials. Timely and sure delivery guarantees the customer to obtain their products in perfect condition with customized packaging provided on request in order to ensure specific industry compliance while upholding product integrity and quality assurance.
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