Home > Stainless Steel > Stainless Steel 440B Bolts
Jinay Metals stands out as a trusted manufacturer and supplier of top-notch Stainless Steel 440B Bolts in Dubai, UAE. They provide high-quality fastening solutions that are designed for strength, precision, and long-lasting durability. With state-of-the-art production facilities and rigorous quality control measures, the company guarantees that every bolt meets international performance standards. Renowned for their exceptional customer service, prompt delivery, and competitive pricing, Jinay Metals serves a diverse array of industries that need medium-to-high hardness fasteners. Their Stainless Steel 440B Bolts are particularly favored in applications where wear resistance, moderate corrosion resistance, and reliable mechanical performance are crucial.
Stainless Steel 440B Bolts are crafted from medium-to-high carbon martensitic stainless steel, featuring about 16–18% chromium. They have a higher carbon content than 440A but less than 440C. This well-balanced composition enables them to achieve impressive hardness and strength after heat treatment while also offering better toughness compared to 440C. These bolts provide excellent wear resistance, dependable tensile strength, and moderate corrosion resistance in mildly corrosive settings. Additionally, SS 440B bolts maintain stable mechanical properties, making them ideal for applications that demand high performance, precise dimensions, and durability without excessive brittleness.
| 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 |
You’ll find Stainless Steel 440B Bolts widely utilized in scenarios that call for a mix of hardness, wear resistance, and robust mechanical strength. Sectors like machinery manufacturing, automotive, aerospace, and industrial tooling depend on these bolts for high-precision fastening in challenging environments. They are often found in pump components, valves, cutting tools, bearings, and mechanical assemblies that face friction and pressure. Their durability makes them perfect for equipment that needs to withstand tough conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
