Home > Stud Bolts > Stainless Steel 440b Stud Bolts
Based in Kolkata, India, Aditya Stainless is a reputable producer and supplier of high-end stainless steel goods designed to satisfy the exacting requirements of diverse industries. Stainless steel 440B stud bolts, which are renowned for their remarkable hardness, wear resistance, and corrosion resistance, are among our main products. These bolts are made with cutting-edge methods and rigorous quality control, making them perfect for abrasive and high-stress applications. Aditya Stainless guarantees prompt delivery of long-lasting fastening solutions that continuously satisfy international standards in the automotive, machinery, and industrial sectors thanks to its strong commitment to accuracy, dependability, and customer satisfaction.
About 16–18% chromium, 0.75–1.00% carbon, and trace amounts of silicon, manganese, and molybdenum make up stainless steel 440B Stud Bolts. High hardness (up to 58 HRC) and robust wear resistance can be achieved by heat-treating this martensitic stainless steel. Tensile strength of up to 760 MPa, yield strength of about 450 MPa, and superior resistance to oxidation and deformation are examples of mechanical properties. Under severe stress, temperature, and abrasive conditions, 440B bolts are dependable due to their combination of mechanical toughness and corrosion resistance.
| 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.
High-performance applications that demand a balance of hardness, corrosion resistance, and wear durability employ stainless steel 440B stud bolts. These include automotive parts that require high strength and temperature resistance, like drive assemblies, exhaust systems, and engine parts. They are also extensively utilized in heavy machinery, industrial machinery, valve assemblies, and tooling systems that are subjected to chemicals and mechanical stress. Precision engineering, marine hardware, and structural applications that require long service life and low maintenance under demanding conditions can benefit from their heat-treatable nature and attractive finish.
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